Accupro Speed & Feed Information

TECHNICAL INFORMATION

High Performance Color Band for Drills & Taps

TAPPING DRILLING Feed Rate for Diameters Cutting Hardness Cutting Speed Hardness Tons/Sq. Speed 1⁄8" 3⁄16" ¼" 5⁄16" 3⁄8" ½" 5⁄8" ¾" MATERIALS Feet/Min Brinell Inch Feet/Min BLUE BAND Stainless Steels Free Cutting 12 - 35 <250 56 40 -27 0.003 0.004 0.005 0.006 0.007 0.008 0.009 0.011 Austenitic 12 - 35 <250 56 33 -49 0.003 0.004 0.005 0.006 0.007 0.008 0.009 0.011 Martensitic, Ferritic 12 - 35 >300 63 39 -59 0.002 0.003 0.004 0.005 0.006 0.006 0.006 0.008 Titanium Pure Titanium, unalloyed 10 - 25 <200 49 65 - 105 0.002 0.003 0.004 0.005 0.006 0.006 0.006 0.008 Titanium Alloys 3 - 15 >300 63 20 - 39 0.002 0.003 0.004 0.005 0.006 0.006 0.006 0.008 Nickel Pure Nickel, unalloyed 10-15 <300 63 33 - 49 0.003 0.004 0.005 0.006 0.007 0.008 0.009 0.011 GREEN BAND Carbon Alloy Steels Free Cutting Mild Steel 25 - 50 <120 27 131 - 164 0.005 0.006 0.007 0.009 0.001 0.011 0.013 0.014 Low Carbon Steel 25 - 50 <200 50 98 - 131 0.003 0.004 0.005 0.006 0.007 0.008 0.009 0.011 Medium Carbon Steel 25 - 50 <250 56 82 - 115 0.002 0.003 0.004 0.005 0.006 0.006 0.006 0.008 RED BAND Carbon Alloy Steels Low Alloy Steels 6 - 30 >250 56 82 - 98 0.002 0.003 0.004 0.005 0.006 0.006 0.006 0.008 Alloyed, Heat Treated 6 - 30 >300 63 49 - 65 0.002 0.002 0.003 0.003 0.004 0.004 0.005 0.006 Alloyed, Heat Treated 6 - 12 >350 74 33 - 49 0.002 0.002 0.003 0.003 0.004 0.004 0.005 0.006 Nickel Nickel, Nimonic 75 10 -12 >300 63 20 - 33 0.002 0.003 0.004 0.005 0.006 0.006 0.006 0.008 Nickel, Inconel 718 Alloy 10 - 15 <350 74 13 - 26 0.002 0.002 0.003 0.003 0.004 0.004 0.005 0.006 Copper High Tensile Bronze 50 - 60 <350 74 49 - 92 0.002 0.003 0.004 0.005 0.006 0.006 0.006 0.008 YELLOW BAND Aluminium Alloys Wrought & Extruded 50 - 65 <150 35 164 - 197 0.005 0.006 0.007 0.009 0.01 0.011 0.013 0.014 Wrought & Treated 50 - 65 >150 35 115 - 164 0.003 0.004 0.005 0.006 0.007 0.008 0.009 0.011 Cast, Low Silicon <5% 40 - 65 <150 35 98 - 131 0.003 0.004 0.005 0.006 0.007 0.008 0.009 0.011 Cast, High Silicon >10% 40 - 65 >150 35 75 - 115 0.003 0.004 0.005 0.006 0.007 0.008 0.009 0.011 Copper Pure Copper 50 - 60 <100 115 - 180 0.002 0.003 0.004 0.005 0.006 0.006 0.006 0.008 Brass, Soft 30 - 65 <200 47 131 - 164 0.006 0.007 0.008 0.0011 0.013 0.014 0.016 0.018 Brass, Bronze 12 - 20 >200 47 115 - 148 0.003 0.004 0.005 0.006 0.007 0.008 0.009 0.011 WHITE BAND Cast Irons Plain Grey Irons 35 - 50 <150 35 115 - 148 0.005 0.006 0.007 0.009 0.01 0.011 0.013 0.014 Plain “SG” Iron 35 - 50 <250 56 75 - 115 0.002 0.003 0.004 0.005 0.006 0.006 0.006 0.008 Alloy “SG” Iron Nickel Hard 12 - 45 >250 56 49 - 92 0.002 0.003 0.004 0.005 0.006 0.006 0.006 0.008

Drilling speeds and feeds are based on jobber length drills. Important Disclaimer: The Accupro speed and feed rates are suggested by the manufacturer as a general For deep hole drilling reduce speeds by 10% for 3xDiameter, guideline. Machine type, horsepower, spindle speed limitations, tooldholding & workholding devices all may impact 20% for 4xDiameter, 30% for 5xDiameter and 40% for over a cutting tool’s ability to perform properly. MSC is not responsible for tool failure, part damage or injury thatmay be 6xDiameter. caused as a result of the previous mentioned factors TECHNICAL INFORMATION

Recommended Speed & Feed Information for Thread Mills

THREAD MILLS

Cutting Diameter

0.085-0.235 0.300-0.370 0.450-0.490 0.620-0.740 FPT FPT FPT FPT MATERIALS SFM Speed Non Ferrous 1700 0.0003 0.0006 0.0010 0.0013 Stainless Steel 525 0.0003 0.0006 0.0010 0.0013 High Temp Alloys 100 0.0003 0.0006 0.0010 0.0013 Steel 600 0.0003 0.0006 0.0010 0.0013 Cast Iron 600 0.0003 0.0006 0.0010 0.0013

Important Disclaimer: The Accupro speed and feed rates are suggested by the manufacturer as a general guideline. Machine type, horsepower, spindle speed limitations, tooldholding & workholding devices all may impact a cutting tool’s ability to perform properly. MSC is not responsible for tool failure, part damage or injury that may be caused as a result of the previous mentioned factors. TECHNICAL INFORMATION

Non-Coolant/Coolant Fed - Speed & Feed Recommendations for Drills (1⁄16 - 3⁄8)

Recommended SFM Cutting Diameter 1⁄16" - 1⁄8" 1⁄8" -¼" ¼" - 3⁄8" Material 1.5MM-3MM 3MM-6.5MM 6.5MM-10MM MATERIALS Hardness Non-coolant Coolant FED Inch per rev (ipr) STEELS ISO-P High Strength Steels 4140, 4340, 52100 Under 35 Rc 200 300 .0007 - .0015 .0015 - .0025 .0025 - .0030 Over 35 Rc 175 240 .0002 - .0005 .0005 - .0015 .0015 - .0025 High Alloy Steels - Mold & Die A-2, P20, 01, 02, D2, H-13 Under 35 Rc 200 300 .0005 - .0015 .0015 - .0025 .0025 - .0030 Over 35 Rc 175 240 .0002 - .0005 .0005 - .0015 .0015 - .0025 Medium Alloy Steels 200, 2,50, 300, 8620 Under 35 Rc 200 300 .0005 - .0015 .0015 - .0025 .0025 - .0030 Over 35 Rc 175 240 .0002 - .0005 .0005 - .0015 .0015 - .0025 Low Alloy Steels-Maraging 10XX, 11XX, 13XX Under 35 Rc 200 300 .0007 - .0015 .0015 - .0025 .0025 - .0030 Over 35 Rc 175 240 .0002 - .0005 .0005 - .0015 .0015 - .0025 STAINLESS STEELS ISO-M Precipitation 13-8, 15-5, 17-4PH Under 35 Rc 225 300 .0005 - .0015 .0015 - .0025 .0025 - .0030 Over 35 Rc 175 240 .0002 - .0005 .0005 - .0015 .0015 - .0025 Austenitic 302, 303, 304L, 316L Under 35 Rc 125 175 .0005 - .0010 .0010 - .0015 .0015 - .0020 Over 35 Rc 80 100 .0001 - .0003 .0003 - .0010 .0010 - .0015 Martensitic 403, 410, 416 Under 35 Rc 225 300 .0007 - .0015 .0015 - .0025 .0025 - .0030 Over 35 Rc 175 240 .0002 - .0005 .0005 - .0015 .0015 - .0025 CAST IRON ISO-K Ductile Iron Ductile Cast Iron 250 350 .0013 - .0025 .0025 - .0035 .0035 - .0045 Cast Iron Grey Cast Iron 250 400 .0013 - .0025 .0025 - .0035 .0035 - .0045 NON-FERROUS ISO-N Copper Alloys 300 400 .0015 - .0025 .0025 - .0035 .0035 - .0045 Brass Short Chips 300 400 .0015 - .0035 .0035 - .0045 .0045 - .0055 Long Chips 200 300 .0015 - .0025 .0025 - .0035 .0035 - .0045 Bronze Short Chips 200 300 .0015 - .0025 .0025 - .0035 .0035 - .0045 Long Chips 150 250 .0007 - .0015 .0015 - .0025 .0025 - .0035 Magnesium 300 400 .0020 - .0035 .0035 - .0045 .0045 - .0055 Aluminum 6061-T6, 7075 400 500 .0020 - .0035 .0035 - .0045 .0045 - .0055 Die Cast 300 400 .0015 - .0025 .0025 - .0035 .0035 - .0045 HIGH TEMP ALLOYS ISO-S Cobalt Base Stellite, Haynes 25, 188, X-40 Under 35 Rc 185 225 .0005 - .0010 .0010 - .0020 .0020 - .0030 Over 35 Rc 125 180 .0002 - .0005 .0005 - .0015 .0015 - .0025 Nickel Base Inconel 600, 625, 718, Nickel 200 Under 35 Rc 150 225 .0005 - .0010 .0010- .0020 .0020 - .0030 Monel 400, 405, K-Monel, Incoly 600 Over 35 Rc 125 180 .0002 - .0005 .0005 - .0015 .0015 - .0020 Iron Base Incoloy 800-802, Multimet N-155 Under 35 Rc 200 300 .0007 - .0015 .0015 - .0025 .0025 - .0030 Over 35 Rc 150 240 .0002 - .0005 .0005 - .0015 .0015 - .0025 Titanium Alloys 6AL-4V, ASTM 1, 2, 3, 6AL-2S For 5553, decrease SFM and IPM by 25% 225 350 .0005 - .0010 .0010 - .0020 .0020- .0030 Continued on next page TECHNICAL INFORMATION

Non-Coolant/Coolant Fed - Speed & Feed Recommendations for Drills (3⁄8 - 3⁄4)

Recommended SFM Cutting Diameter 3⁄8" - ½" ½" - 5⁄8" 5⁄8" - ¾" Material 10MM-13MM 13MM-16MM 16MM-20MM MATERIALS Hardness Non-coolant Coolant FED Inch per rev (ipr) STEELS ISO-P High Strength Steels 4140, 4340, 52100 Under 35 Rc 200 300 .0030 - .0035 .0035 - .0045 .0045 - .0055 Over 35 Rc 175 240 .0025 - .0030 .0030 - .0035 .0035 - .0045 High Alloy Steels - Mold & Die A-2, P20, 01, 02, D2, H-13 Under 35 Rc 200 300 .0030 - .0035 .0035 - .0045 .0045 - .0055 Over 35 Rc 175 240 .0025 - .0030 .0030- .0035 .0035 - .0045 Medium Alloy Steels 200, 2,50, 300, 8620 Under 35 Rc 200 300 .0030 - .0035 .0035 - .0045 .0045 - .0055 Over 35 Rc 175 240 .0025 - .0030 .0030 - .0035 .0035 - .0045 Low Alloy Steels-Maraging 10XX, 11XX, 13XX Under 35 Rc 200 300 .0030 - .0035 .0035 - .0045 .0045 - .0055 Over 35 Rc 175 240 .0025 - .0030 .0030 - .0035 .0035 - .0045 STAINLESS STEELS ISO-M Precipitation 13-8, 15-5, 17-4PH Under 35 Rc 225 300 .0030 - .0035 .0035 - .0045 .0040 - .0055 Over 35 Rc 175 240 .0025 - .0030 .0030 - .0035 .0035 - .0045 Austenitic 302, 303, 304L, 316L Under 35 Rc 125 175 .0020 - .0030 .0030 - .0040 .0025 - .0040 Over 35 Rc 80 100 .0015 - .0025 .0025 - .0035 .0020 - .0040 Martensitic 403, 410, 416 Under 35 Rc 225 300 .0030 - .0035 .0035 - .0045 .0040 - .0055 Over 35 Rc 175 240 .0025 - .0030 .0030 - .0035 .0035 - .0045 CAST IRON ISO-K Ductile Iron Ductile Cast Iron 250 350 .0035 - .0045 .0045 - .0055 .0065 - .0075 Cast Iron Grey Cast Iron 250 400 .0035 - .0045 .0045 - .0055 .0065 - .0075 NON-FERROUS ISO-N Copper Alloys 300 400 .0035 - .0045 .0045 - .0055 .0065 - .0075 Brass Short Chips 300 400 .0065 - .0075 .0085 - .0095 .0085 - .0095 Long Chips 200 300 .0055 - .0065 .0075 - .0085 .0075 - .0085 Bronze Short Chips 200 300 .0035 - .0045 .0055 - .0065 .0075 - .0085 Long Chips 150 250 .0025 - .0035 .0045 - .0055 .0065 - .0075 Magnesium 300 400 .0065 - .0075 .0085 - .0095 .0085 - .0095 Aluminum 6061-T6, 7075 400 500 .0065 - .0075 .0085 - .0095 .0085 - .0095 Die Cast 300 400 .0055 - .0065 .0075 - .0085 .0075 - .0085 HIGH TEMP ALLOYS ISO-P Cobalt Base Stellite, Haynes 25, 188, X-40 Under 35 Rc 185 225 .0025 - .0035 .0030 - .0040 .0035 - .0055 Over 35 Rc 125 180 .0020 - .0030 .0025 - .0035 .0030 - .0045 Nickel Base Inconel 600, 625, 718, Nickel 200 Under 35 Rc 150 225 .0025 - .0035 .0030- .0040 .0035 - .0055 Monel 400, 405, K-Monel, Incoly 600 Over 35 Rc 125 180 .0020 - .0030 .0025 - .0035 .0030- .0045 Iron Base Incoloy 800-802, Multimet N-155 Under 35 Rc 200 300 .0025 - .0035 .0035 - .0045 .0035 - .0055 Over 35 Rc 150 240 .0025 - .0030 .0030 - .0035 .0030 - .0045 Titanium Alloys 6AL-4V, ASTM 1, 2, 3, 6AL-2S For 5553, decrease SFM and IPM by 25% 225 350 .0025 - .0035 .0030 - .0040 .0035- .0055 TECHNICAL INFORMATION

General Purpose End Mills Recommended Speed and Feed - Under 32 HRC

Materials SFM End Mill Diameter Chip Load Per Tooth Soft Grades (<32 HRC) Speed 1/8" 3/16" 1/4" 3/8" 1/2" 5/8" 3/4" 1" Steel Low Alloy Steels Maraging--10XX, 100 - 400 0.0005 0.0010 0.0015 0.0020 0.0030 0.0040 0.0050 0.0060 11XX, 13XX Medium Alloy Steels--200, 250, 300 150 - 350 0.0005 0.0007 0.0010 0.0020 0.0025 0.0035 0.0040 0.0050 P High Alloy Steels--A-2/6/10, P-3/10, 150 - 250 0.0005 0.0007 0.0011 0.0017 0.0024 0.0029 0.0036 0.0048 01, 02, 06 High Strength Steels--4340, 6150, 150 - 250 0.0005 0.0007 0.0011 0.0017 0.0024 0.0029 0.0036 0.0048 52100, H-11, H-13 Stainless Steel Austenitic--200 Series, 302, 303, 100 - 220 0.0004 0.0007 0.0011 0.0018 0.0025 0.0031 0.0037 0.0050 M 304L, 316L Martensitic--403, 410, 416 100 - 220 0.0004 0.0007 0.0011 0.0018 0.0025 0.0031 0.0037 0.0050 Precipitation--13/8, 15/5, AM-350/355 150 - 250 0.0005 0.0009 0.0014 0.0021 0.0030 0.0037 0.0045 0.0060 Cast Iron K Cast Iron--Gray Cast Iron 100 - 400 0.0005 0.0010 0.0020 0.0030 0.0040 0.0050 0.0060 0.0080 Ductile Iron--Ductile Cast Iron 100 - 400 0.0005 0.0010 0.0015 0.0020 0.0020 0.0030 0.0040 0.0050 Non Ferrous Aluminum Alloys--2024-T4/T6, 2014, 800 - 2000 0.0010 0.0015 0.0020 0.0040 0.0060 0.0080 0.0120 0.0160 6061-T6/T651, 7075-T6

Copper--Yellow Brass, High Lead Brass, 800 - 1500 0.0010 0.0010 0.0020 0.0025 0.0030 0.0040 0.0040 0.0050 Red Brass N Copper Alloys--Alum/Bronze, Low Silicon 800 - 1000 0.0010 0.0010 0.0020 0.0025 0.0030 0.0040 0.0040 0.0050 Bronze Magnesium--Die-Cast, Extruded 900 - 1300 0.0010 0.0015 0.0020 0.0040 0.0060 0.0080 0.0120 0.0160 Plastics, Acrylics, Phenolics--Polysulfone 200 - 600 0.0010 0.0020 0.0030 0.0040 0.0060 0.0080 0.0010 0.0150 Carbon, Graphites 1000 0.0025 0.0040 0.0060 0.0100 0.0130 0.0160 0.0190 0.0260 High Temp Alloys Cobalt Base--Stellite, HS-21, Haynes 60 - 100 0.0003 0.0005 0.0007 0.0010 0.0012 0.0014 0.0017 0.0020 25/188, X-40, L-605

S Iron Base--Incoly 600-802, Multimet 80 - 120 0.0005 0.0075 0.0010 0.0015 0.0020 0.0025 0.0030 0.0040 N-155, Timkin 16-25-6

Titanium Alloys--6AL-4V, Astm 1/2/3, 6 150 - 250 0.0005 0.0075 0.0011 0.0018 0.0025 0.0031 0.0037 0.0050 AL-25N-4Zr-2Mo-Si

FORMULAS Important Disclaimer: The Accupro speed and feed rates are suggested by the manufacturer as RPM = (SFM x 3.82)/tool diameter a general guideline. Machine type, horsepower, spindle speed limitations, toolholding & IPM = number of flutes x RPM x chip load per tooth workholding devices all may impact a cutting tool's ability to perform properly. MSC is not The chart is a starting point based on a coated tool. responsible for tool failure, part damage or injury that may be caused as a result of the previous Reduce rates up to 50% using an uncoated tool. mentioned factors. TECHNICAL INFORMATION

General Purpose End Mills Recommended Speed and Feed - Over 32 HRC

Materials SFM End Mill Diameter Chip Load Per Tooth Hard Grades (>32 HRC) Speed 1/8" 3/16" 1/4" 3/8" 1/2" 5/8" 3/4" 1" Steel Low Alloy Steels Maraging--23XX, 31XX 100 - 200 0.0005 0.0010 0.0015 0.0020 0.0030 0.0040 0.0050 0.0060 P High Alloy Steels--Stressproof, AmorPlate 80 - 180 0.0005 0.0007 0.0011 0.0017 0.0024 0.0029 0.0036 0.0048 High Strength Steels--4340M, EDT-150, 80 - 180 0.0005 0.0007 0.0011 0.0017 0.0024 0.0029 0.0036 0.0048 HP9-430, 300M, D6-Ac, 11-10 Stainless Steel Austenitic--304, 310, 314, 316, 321, 50 - 150 0.0004 0.0007 0.0011 0.0018 0.0025 0.0031 0.0037 0.0050 M 330, 347, 348, 21-6-9 Martensitic--420, 430F, 440C, 446 50 - 150 0.0004 0.0007 0.0011 0.0018 0.0025 0.0031 0.0037 0.0050 Precipitation--17/4, 17/7, AF-71, 90 - 150 0.0005 0.0009 0.0014 0.0021 0.0030 0.0037 0.0045 0.0060 Custom 450/636, 15/7 Mo, 21-6-9 Cast Iron K Ductile Iron 80 - 140 0.0005 0.0010 0.0015 0.0020 0.0020 0.0030 0.0040 0.0050 Cast Iron--Malleable, Chilled 90 - 160 0.0005 0.0010 0.0020 0.0030 0.0040 0.0050 0.0060 0.0080 Non Ferrous Aluminum + Aluminum Alloys-- 500 - 1000 0.0010 0.0015 0.0020 0.0040 0.0060 0.0080 0.0120 0.0160 440, 356, 380, C61300

Copper--Navel Brass, High Silicon 500 - 900 0.0010 0.0010 0.0020 0.0025 0.0030 0.0040 0.0040 0.0050 N Bronze, A-17, C-17200 Copper Alloys--Nickel Silver, Beryllium 500 - 900 0.0010 0.0010 0.0020 0.0025 0.0030 0.0040 0.0040 0.0050 Copper, Oxygen-Free Copper Plastics, Acrylics, Phenolics-- 200 - 500 0.0010 0.0020 0.0030 0.0040 0.0060 0.0080 0.0010 0.0150 Polycarbonate High Temp Alloys Cobalt Base--Ai-Resist 13/213/215, 40 - 80 0.0004 0.0005 0.0007 0.0010 0.0012 0.0014 0.0017 0.0020 Haynes 21/36, NASA CO-W-RE S Iron Base--A-286, Haynes 556, 50 - 100 0.0005 0.0075 0.0010 0.0015 0.0020 0.0025 0.0030 0.0040 Discoly, V57 Titanium Alloys--5AL-2.5Sn-Eli, 90 - 160 0.0005 0.0075 0.0011 0.0018 0.0025 0.0031 0.0037 0.0050 8Al-1 Mo-1V

Nickel Base--Hastelloy, Inconel 718/X/W, 40 - 80 0.0005 0.0075 0.0010 0.0015 0.0020 0.0025 0.0030 0.0040 Waspaloy, Rene 41-95

High Performance Progressive Helix End Mills for Carbon Steel

Carbon Steels: End Mill Diameter Chip Load Per Tooth

10xx, 11xx, 13xx, Depth of Cut SFM Type of Cut 1/4" 3/8" 1/2" 5/8" 3/4" 1" 15xx Series (vs. Tool Dia.) Speed

< 32 400 - 420 0.0014 0.0021 0.0030 0.0037 0.0045 0.0060 < 50% Shallow Slotting 260 - 280 0.0011 0.0018 0.0025 0.0031 0.0037 0.0050 > 32 of Dia. > 42 180 - 220 0.0009 0.0014 0.0020 0.0025 0.0030 0.0040 < 32 360 - 380 0.0011 0.0018 0.0025 0.0031 0.0037 0.0050 75 - 100% of Deep Slotting 220 - 240 0.0009 0.0014 0.0020 0.0025 0.0030 0.0040 > 32 Dia. > 42 160 - 200 0.0008 0.0012 0.0017 0.0021 0.0025 0.0034 < 32 400 - 420 0.0014 0.0021 0.0030 0.0037 0.0045 0.0060 Medium Radial 30% x Dia. 260 - 280 0.0011 0.0018 0.0025 0.0031 0.0037 0.0050 1.0 X Dia. Depth > 32 Radial > 42 180 - 220 0.0009 0.0014 0.0020 0.0025 0.0030 0.0040 < 32 400 - 420 0.0011 0.0018 0.0025 0.0031 0.0037 0.0050 Heavy Radial 50% x Dia. 260 - 280 0.0009 0.0014 0.0020 0.0025 0.0030 0.0040 1.0 X Dia. Depth > 32 Radial > 42 160 - 200 0.0008 0.0012 0.0017 0.0021 0.0025 0.0034 < 32 360 - 380 0.0013 0.0020 0.0028 0.0034 0.0042 0.0056 Medium Radial 30% x Dia. 220 - 240 0.0011 0.0017 0.0024 0.0029 0.0036 0.0048 2.0 X Dia. Depth > 32 Radial > 42 160 - 200 0.0009 0.0014 0.0020 0.0025 0.0030 0.0040 < 32 360 - 380 0.0009 0.0014 0.0020 0.0025 0.0030 0.0040 Heavy Radial 50% x Dia. 220 - 240 0.0007 0.0011 0.0015 0.0018 0.0022 0.0030 2.0 X Dia. Depth > 32 Radial > 42 160 - 200 0.0008 0.0012 0.0017 0.0021 0.0025 0.0034 < 32 360 - 380 0.0013 0.0020 0.0028 0.0034 0.0042 0.0056 Finishing < 25% 220 - 240 0.0011 0.0017 0.0024 0.0029 0.0036 0.0048 Medium Radial > 32 of Dia. > 42 160 - 200 0.0009 0.0014 0.0020 0.0025 0.0030 0.0040 < 32 400 - 420 0.0014 0.0021 0.0030 0.0037 0.0045 0.0060 Finishing < 10% 260 - 280 0.0011 0.0018 0.0025 0.0031 0.0037 0.0050 Light Radial > 32 of Dia. > 42 180 - 220 0.0009 0.0014 0.0020 0.0025 0.0030 0.0040 < 32 400 - 420 0.0023 0.0036 0.0050 0.0061 0.0074 0.0100 < .010 Radial Finishing 260 - 280 0.0020 0.0032 0.0045 0.0055 0.0067 0.0090 > 32 Depth > 42 180 - 220 0.0018 0.0029 0.0040 0.0049 0.0059 0.0080

FORMULAS Important Disclaimer: The Accupro speed and feed rates are suggested by the manufacturer as a RPM = (SFM x 3.82)/tool diameter general guideline. Machine type, horsepower, spindle speed limitations, toolholding & workholding IPM = number of flutes x RPM x chip load per tooth devices all may impact a cutting tool's ability to perform properly. MSC is not responsible for tool The chart is a starting point based on a coated tool. failure, part damage or injury that may be caused as a result of the previous mentioned factors. Reduce rates up to 50% using an uncoated tool. TECHNICAL INFORMATION

High Performance Progressive Helix End Mills for Alloy Steels

Alloy Steels: End Mill Diameter Chip Load Per Tooth 40xx, 41xx, 42xx, 43xx, 44xx, 46xx, 86xx Depth of Cut SFM Type of Cut 1/4" 3/8" 1/2" 5/8" 3/4" 1" Series (vs. Tool Dia.) Speed

< 32 180 - 220 0.0013 0.0020 0.0028 0.0034 0.0042 0.0056 < 50% Shallow Slotting 140 - 180 0.0011 0.0017 0.0024 0.0029 0.0036 0.0048 > 32 of Dia. > 42 110 - 140 0.0009 0.0014 0.0020 0.0025 0.0030 0.0040

< 32 180 - 220 0.0011 0.0018 0.0025 0.0031 0.0037 0.0050 75 - 100% of Deep Slotting 140 - 180 0.0009 0.0014 0.0020 0.0025 0.0030 0.0040 > 32 Dia. > 42 110 - 140 0.0008 0.0012 0.0017 0.0021 0.0025 0.0034

< 32 220 - 260 0.0014 0.0021 0.0030 0.0037 0.0045 0.0060 Medium Radial 30% x Dia. 180 - 220 0.0011 0.0018 0.0025 0.0031 0.0037 0.0050 1.0 X Dia. Depth > 32 Radial > 42 140 - 180 0.0009 0.0014 0.0020 0.0025 0.0030 0.0040

< 32 180 - 220 0.0014 0.0021 0.0030 0.0037 0.0045 0.0060 Heavy Radial 50% x Dia. 140 - 180 0.0011 0.0018 0.0025 0.0031 0.0037 0.0050 1.0 X Dia. Depth > 32 Radial > 42 110 - 140 0.0009 0.0014 0.0020 0.0025 0.0030 0.0040

< 32 220 - 260 0.0013 0.0020 0.0028 0.0034 0.0042 0.0056 Medium Radial 30% x Dia. 180 - 220 0.0011 0.0017 0.0024 0.0029 0.0036 0.0048 2.0 X Dia. Depth > 32 Radial > 42 140 - 180 0.0009 0.0014 0.0020 0.0025 0.0030 0.0040

< 32 180 - 220 0.0011 0.0018 0.0025 0.0031 0.0037 0.0050 Heavy Radial 50% x Dia. 140 - 180 0.0009 0.0014 0.0020 0.0025 0.0030 0.0040 2.0 X Dia. Depth > 32 Radial > 42 110 - 140 0.0013 0.0020 0.0028 0.0034 0.0042 0.0056

< 32 220 - 260 0.0013 0.0020 0.0028 0.0034 0.0042 0.0056 Finishing < 25% 180 - 220 0.0011 0.0017 0.0024 0.0029 0.0036 0.0048 Medium Radial > 32 of Dia. > 42 140 - 180 0.0009 0.0014 0.0020 0.0025 0.0030 0.0040

< 32 220 - 260 0.0014 0.0021 0.0030 0.0037 0.0045 0.0060 Finishing < 10% 180 - 220 0.0011 0.0018 0.0025 0.0031 0.0037 0.0050 Light Radial > 32 of Dia. > 42 140 - 180 0.0009 0.0014 0.0020 0.0025 0.0030 0.0040

< 32 240 - 280 0.0023 0.0036 0.0050 0.0061 0.0074 0.0100 < .010 Radial Finishing 200 - 240 0.0020 0.0032 0.0045 0.0055 0.0067 0.0090 > 32 Depth > 42 160 - 200 0.0018 0.0029 0.0040 0.0049 0.0059 0.0080

FORMULAS Important Disclaimer: The Accupro speed and feed rates are suggested by the manufacturer as a RPM = (SFM x 3.82)/tool diameter general guideline. Machine type, horsepower, spindle speed limitations, toolholding & workholding IPM = number of flutes x RPM x chip load per tooth devices all may impact a cutting tool's ability to perform properly. MSC is not responsible for tool failure, The chart is a starting point based on a coated tool. part damage or injury that may be caused as a result of the previous mentioned factors. Reduce rates up to 50% using an uncoated tool. TECHNICAL INFORMATION

High Performance Progressive Helix End Mills for Tool Steels

Tool Steels: End Mill Diameter Chip Load Per Tooth

H,L,P,D,M,A, T Depth of Cut SFM Type of Cut 1/4" 3/8" 1/2" 5/8" 3/4" 1" Series (vs. Tool Dia.) Speed

< 32 140 - 180 0.0011 0.0018 0.0025 0.0031 0.0037 0.0050 < 50% Shallow Slotting 120 - 140 0.0009 0.0014 0.0020 0.0025 0.0030 0.0040 > 32 of Dia. > 42 80 - 120 0.0008 0.0012 0.0017 0.0021 0.0025 0.0034

< 32 120 - 160 0.0010 0.0016 0.0023 0.0028 0.0034 0.0046 75 - 100% of Deep Slotting 100 - 120 0.0008 0.0012 0.0017 0.0021 0.0025 0.0034 > 32 Dia. > 42 60 - 100 0.0006 0.0010 0.0014 0.0017 0.0021 0.0028

< 32 140 - 180 0.0011 0.0018 0.0025 0.0031 0.0037 0.0050 Medium Radial 30% x Dia. 120 - 140 0.0009 0.0014 0.0020 0.0025 0.0030 0.0040 1.0 X Dia. Depth > 32 Radial > 42 80 - 120 0.0008 0.0012 0.0017 0.0021 0.0025 0.0034

< 32 120 - 160 0.0010 0.0016 0.0023 0.0028 0.0034 0.0046 Heavy Radial 50% x Dia. 100 - 120 0.0008 0.0012 0.0017 0.0021 0.0025 0.0034 1.0 X Dia. Depth > 32 Radial > 42 60 - 100 0.0006 0.0010 0.0014 0.0017 0.0021 0.0028

< 32 140 - 180 0.0011 0.0018 0.0025 0.0031 0.0037 0.0050 Medium Radial 30% x Dia. 120 - 140 0.0007 0.0011 0.0015 0.0018 0.0022 0.0030 2.0 X Dia. Depth > 32 Radial > 42 80 - 120 0.0008 0.0012 0.0017 0.0021 0.0025 0.0034

< 32 120 - 160 0.0009 0.0014 0.0020 0.0025 0.0030 0.0040 Heavy Radial 50% x Dia. 100 - 120 0.0007 0.0011 0.0016 0.0020 0.0024 0.0032 2.0 X Dia. Depth > 32 Radial > 42 60 - 100 0.0005 0.0009 0.0012 0.0015 0.0018 0.0024

< 32 140 - 180 0.0013 0.0020 0.0028 0.0034 0.0042 0.0056 Finishing < 25% 120 - 140 0.0011 0.0017 0.0024 0.0029 0.0036 0.0048 Medium Radial > 32 of Dia. > 42 80 - 120 0.0009 0.0014 0.0020 0.0025 0.0030 0.0040

< 32 160 - 200 0.0014 0.0021 0.0030 0.0037 0.0045 0.0060 Finishing < 10% 140 - 160 0.0011 0.0018 0.0025 0.0031 0.0037 0.0050 Light Radial > 32 of Dia. > 42 100 - 140 0.0009 0.0014 0.0020 0.0025 0.0030 0.0040

< 32 160 - 200 0.0018 0.0029 0.0040 0.0049 0.0059 0.0080 < .010 Radial Finishing 140 - 160 0.0016 0.0025 0.0035 0.0043 0.0052 0.0070 > 32 Depth > 42 100 - 140 0.0014 0.0021 0.0030 0.0037 0.0045 0.0060

FORMULAS Important Disclaimer: The Accupro speed and feed rates are suggested by the manufacturer as a RPM = (SFM x 3.82)/tool diameter general guideline. Machine type, horsepower, spindle speed limitations, toolholding & workholding IPM = number of flutes x RPM x chip load per tooth devices all may impact a cutting tool's ability to perform properly. MSC is not responsible for tool failure, The chart is a starting point based on a coated tool. part damage or injury that may be caused as a result of the previous mentioned factors. Reduce rates up to 50% using an uncoated tool. TECHNICAL INFORMATION

High Performance Progressive Helix End Mills for 300 Stainless

Stainless Steel - Austenitic End Mill Diameter Chip Load Per Tooth Moderately Difficult to Cut 304, 304L, 316, Depth of Cut SFM Type of Cut 321, Invar, Kovar 1/4" 3/8" 1/2" 5/8" 3/4" 1" (vs. Tool Dia.) Speed

< 32 280 - 300 0.0014 0.0022 0.0030 0.0038 0.0046 0.0062 < 50% Shallow Slotting 240 - 260 0.0011 0.0018 0.0025 0.0031 0.0037 0.0050 > 32 of Dia. > 42 140 - 180 0.0009 0.0014 0.0020 0.0025 0.0030 0.0040 < 32 250 - 300 0.0018 0.0025 0.0031 0.0037 0.0050 75 - 100% of Deep Slotting 200 - 240 0.0009 0.0014 0.0020 0.0025 0.0030 0.0040 > 32 Dia. > 42 140 - 180 0.0008 0.0012 0.0017 0.0021 0.0025 0.0034 < 32 280 - 300 0.0014 0.0021 0.0030 0.0037 0.0045 0.0060 Medium Radial 30% x Dia. 240 - 260 0.0011 0.0018 0.0025 0.0031 0.0037 0.0050 1.0 X Dia. Depth > 32 Radial > 42 140 - 180 0.0009 0.0014 0.0020 0.0025 0.0030 0.0040 < 32 280 - 300 0.0011 0.0018 0.0025 0.0031 0.0037 0.0050 Heavy Radial 50% x Dia. 240 - 260 0.0009 0.0014 0.0020 0.0025 0.0030 0.0040 1.0 X Dia. Depth > 32 Radial > 42 140 - 180 0.0008 0.0012 0.0017 0.0021 0.0025 0.0034 < 32 250 - 300 0.0011 0.0018 0.0025 0.0031 0.0037 0.0050 Medium Radial 30% x Dia. 200 - 240 0.0007 0.0011 0.0015 0.0018 0.0022 0.0030 2.0 X Dia. Depth > 32 Radial > 42 140 - 180 0.0008 0.0012 0.0017 0.0021 0.0025 0.0034 < 32 250 - 275 0.0009 0.0014 0.0020 0.0025 0.0030 0.0040 Heavy Radial 50% x Dia. 220 - 240 0.0007 0.0011 0.0015 0.0018 0.0022 0.0030 2.0 X Dia. Depth > 32 Radial > 42 140 - 180 0.0008 0.0012 0.0017 0.0021 0.0025 0.0034 < 32 280 - 300 0.0011 0.0018 0.0025 0.0031 0.0037 0.0050 Finishing < 25% 240 - 260 0.0007 0.0011 0.0015 0.0018 0.0022 0.0030 Medium Radial > 32 of Dia. > 42 140 - 180 0.0008 0.0012 0.0017 0.0021 0.0025 0.0034 < 32 300 - 320 0.0014 0.0021 0.0030 0.0037 0.0045 0.0060 Finishing < 10% 240 - 260 0.0011 0.0018 0.0025 0.0031 0.0037 0.0050 Light Radial > 32 of Dia. > 42 140 - 180 0.0009 0.0014 0.0020 0.0025 0.0030 0.0040 < 32 300 - 320 0.0023 0.0036 0.0050 0.0061 0.0074 0.0100 < .010 Radial Finishing 240 - 260 0.0020 0.0032 0.0045 0.0055 0.0067 0.0090 > 32 Depth > 42 140 - 180 0.0018 0.0029 0.0040 0.0049 0.0059 0.0080

High Performance Progressive Helix End Mills for 400 Stainless

Stainless Steel - Martensitic End Mill Diameter Chip Load Per Tooth Moderately Difficult to Cut 420, 430F, 416, Depth of Cut SFM Type of Cut 420F, 440c 1/4" 3/8" 1/2" 5/8" 3/4" 1" (vs. Tool Dia.) Speed

< 32 360 - 380 0.0011 0.0018 0.0025 0.0031 0.0037 0.0050 75 - 100% of Deep Slotting 220 - 240 0.0009 0.0014 0.0020 0.0025 0.0030 0.0040 > 32 Dia. > 42 160 - 200 0.0008 0.0012 0.0017 0.0021 0.0025 0.0034

< 32 400 - 420 0.0014 0.0021 0.0030 0.0037 0.0045 0.0060 Medium Radial 30% x Dia. 260 - 280 0.0011 0.0018 0.0025 0.0031 0.0037 0.0050 1.0 X Dia. Depth > 32 Radial > 42 180 - 220 0.0009 0.0014 0.0020 0.0025 0.0030 0.0040

< 32 400 - 420 0.0014 0.0021 0.0030 0.0037 0.0045 0.0060 Heavy Radial 50% x Dia. 260 - 280 0.0011 0.0018 0.0025 0.0031 0.0037 0.0050 1.0 X Dia. Depth > 32 Radial > 42 180 - 220 0.0009 0.0014 0.0020 0.0025 0.0030 0.0040

< 32 360 - 380 0.0011 0.0018 0.0025 0.0031 0.0037 0.0050 Medium Radial 30% x Dia. 220 - 240 0.0007 0.0011 0.0015 0.0018 0.0022 0.0030 2.0 X Dia. Depth > 32 Radial > 42 160 - 200 0.0008 0.0012 0.0017 0.0021 0.0025 0.0034

< 32 360 - 380 0.0009 0.0014 0.0020 0.0025 0.0030 0.0040 Heavy Radial 50% x Dia. 220 - 240 0.0007 0.0011 0.0015 0.0018 0.0022 0.0030 2.0 X Dia. Depth > 32 Radial > 42 160 - 200 0.0008 0.0012 0.0017 0.0021 0.0025 0.0034

< 32 360 - 380 0.0011 0.0018 0.0025 0.0031 0.0037 0.0050 Finishing < 25% 220 - 240 0.0007 0.0011 0.0015 0.0018 0.0022 0.0030 Medium Radial > 32 of Dia. > 42 160 - 200 0.0008 0.0012 0.0017 0.0021 0.0025 0.0034

< 32 400 - 420 0.0014 0.0021 0.0030 0.0037 0.0045 0.0060 Finishing < 10% 260 - 280 0.0011 0.0018 0.0025 0.0031 0.0037 0.0050 Light Radial > 32 of Dia. > 42 180 - 220 0.0009 0.0014 0.0020 0.0025 0.0030 0.0040

< 32 400 - 420 0.0023 0.0036 0.0050 0.0061 0.0074 0.0100 < .010 Radial Finishing 260 - 280 0.0020 0.0032 0.0045 0.0055 0.0067 0.0090 > 32 Depth > 42 180 - 220 0.0018 0.0029 0.0040 0.0049 0.0059 0.0080

FORMULAS Important Disclaimer: The Accupro speed and feed rates are suggested by the manufacturer as a RPM = (SFM x 3.82)/tool diameter general guideline. Machine type, horsepower, spindle speed limitations, toolholding & workholding IPM = number of flutes x RPM x chip load per tooth devices all may impact a cutting tool's ability to perform properly. MSC is not responsible for tool failure, The chart is a starting point based on a coated tool. part damage or injury that may be caused as a result of the previous mentioned factors. Reduce rates up to 50% using an uncoated tool. TECHNICAL INFORMATION

High Performance Progressive Helix End Mills for Precipitation SS

Stainless Steel - Precipitation End Mill Diameter Chip Load Per Tooth Hardening 15/5PH, 16-6PH, 17/4PH, AM-3xx Depth of Cut SFM Type of Cut Series 1/4" 3/8" 1/2" 5/8" 3/4" 1" (vs. Tool Dia.) Speed

< 32 180 - 220 0.0014 0.0021 0.0030 0.0037 0.0045 0.0060 Heavy Radial 50% x Dia. 140 -180 0.0011 0.0018 0.0025 0.0031 0.0037 0.0050 1.0 X Dia. Depth > 32 Radial > 42 110 - 140 0.0009 0.0014 0.0020 0.0025 0.0030 0.0040

< 32 180 - 220 0.0011 0.0018 0.0025 0.0031 0.0037 0.0050 Heavy Radial 50% x Dia. 140 - 180 0.0009 0.0014 0.0020 0.0025 0.0030 0.0040 2.0 X Dia. Depth > 32 Radial > 42 110 - 140 0.0008 0.0012 0.0017 0.0021 0.0025 0.0034

FORMULAS Important Disclaimer: The Accupro speed and feed rates are suggested by the manufacturer as a RPM = (SFM x 3.82)/tool diameter general guideline. Machine type, horsepower, spindle speed limitations, toolholding & workholding IPM = number of flutes x RPM x chip load per tooth devices all may impact a cutting tool's ability to perform properly. MSC is not responsible for tool failure, The chart is a starting point based on a coated tool. part damage or injury that may be caused as a result of the previous mentioned factors. Reduce rates up to 50% using an uncoated tool. TECHNICAL INFORMATION

High Performance Progressive Helix End Mills for Cast Iron

Depth of Cut SFM End Mill Diameter Chip Load Per Tooth Type of Cut Cast Irons (vs. Tool Dia.) Speed 1/4" 3/8" 1/2" 5/8" 3/4" 1"

< 32 HRC 140 - 300 0.0014 0.0022 0.0030 0.0038 0.0046 0.0062 < 50% Shallow Slotting 80 - 140 0.0011 0.0018 0.0025 0.0031 0.0037 0.0050 > 32 HRC of Dia.

< 32 HRC 140 - 300 0.0011 0.0018 0.0025 0.0031 0.0037 0.0050 75 - 100% of Deep Slotting 80 - 140 0.0009 0.0014 0.0020 0.0025 0.0030 0.0040 > 32 HRC Dia.

< 32 HRC 140 - 300 0.0014 0.0021 0.0030 0.0037 0.0045 0.0060 Medium Radial 30% x Dia. 80 - 140 0.0011 0.0018 0.0025 0.0031 0.0037 0.0050 1.0 X Dia. Depth > 32 HRC Radial

< 32 HRC 140 - 300 0.0011 0.0018 0.0025 0.0031 0.0037 0.0050 Heavy Radial 50% x Dia. 80 - 140 0.0009 0.0014 0.0020 0.0025 0.0030 0.0040 1.0 X Dia. Depth > 32 HRC Radial

< 32 HRC 140 - 300 0.0011 0.0018 0.0025 0.0031 0.0037 0.0050 Medium Radial 30% x Dia. 80 - 140 0.0007 0.0011 0.0015 0.0018 0.0022 0.0030 2.0 X Dia. Depth > 32 HRC Radial

< 32 HRC 140 - 300 0.0009 0.0014 0.0020 0.0025 0.0030 0.0040 Heavy Radial 50% x Dia. 80 - 140 0.0007 0.0011 0.0015 0.0018 0.0022 0.0030 2.0 X Dia. Depth > 32 HRC Radial

< 32 HRC 140 - 300 0.0011 0.0018 0.0025 0.0031 0.0037 0.0050 Finishing < 25% 80 - 140 0.0007 0.0011 0.0015 0.0018 0.0022 0.0030 Medium Radial > 32 HRC of Dia.

< 32 HRC 140 - 300 0.0014 0.0021 0.0030 0.0037 0.0045 0.0060 Finishing < 10% 80 - 140 0.0011 0.0018 0.0025 0.0031 0.0037 0.0050 Light Radial > 32 HRC of Dia.

< 32 HRC 140 - 300 0.0000 0.0000 0.0000 0.0000 0.0000 0.0000 < .010 Radial Finishing 80 - 140 0.0020 0.0032 0.0045 0.0055 0.0067 0.0090 > 32 HRC Depth

High Performance Zirconium Coated Aluminum End Mills

Aluminum Alloys 6061-T6, End Mill Diameter Chip Load Per Tooth 7075-T6, 440, Depth of Cut SFM Type of Cut 356, 380, 1/4" 3/8" 1/2" 5/8" 3/4" 1" C61300 (vs. Tool Dia.) Speed

< 32 HRC 1200+ 0.0045 0.0071 0.0100 0.0123 0.0149 0.0200 < 50% Shallow Slotting 600+ 0.0036 0.0057 0.0080 0.0098 0.0119 0.0160 > 32 HRC of Dia.

< 32 HRC 1200+ 0.0036 0.0057 0.0080 0.0098 0.0119 0.0160 75 - 100% of Deep Slotting 600+ 0.0027 0.0043 0.0060 0.0074 0.0089 0.0120 > 32 HRC Dia.

< 32 HRC 1200+ 0.0045 0.0071 0.0100 0.0123 0.0149 0.0200 Medium Radial 30% x Dia. 600+ 0.0036 0.0057 0.0080 0.0098 0.0119 0.0160 1.0 X Dia. Depth > 32 HRC Radial

< 32 HRC 1200+ 0.0036 0.0057 0.0080 0.0098 0.0119 0.0160 Heavy Radial 50% x Dia. 600+ 0.0027 0.0043 0.0060 0.0074 0.0089 0.0120 1.0 X Dia. Depth > 32 HRC Radial

< 32 HRC 1200+ 0.0045 0.0071 0.0100 0.0123 0.0149 0.0200 Medium Radial 30% x Dia. 600+ 0.0036 0.0057 0.0080 0.0098 0.0119 0.0160 2.0 X Dia. Depth > 32 HRC Radial

< 32 HRC 1200+ 0.0036 0.0057 0.0080 0.0098 0.0119 0.0160 Heavy Radial 50% x Dia. 600+ 0.0027 0.0043 0.0060 0.0074 0.0089 0.0120 2.0 X Dia. Depth > 32 HRC Radial

< 32 HRC 1200+ 0.0045 0.0071 0.0100 0.0123 0.0149 0.0200 Finishing < 25% 600+ 0.0036 0.0057 0.0080 0.0098 0.0119 0.0160 Medium Radial > 32 HRC of Dia.

< 32 HRC 1200+ 0.0045 0.0071 0.0100 0.0123 0.0149 0.0200 Finishing < 10% 600+ 0.0036 0.0057 0.0080 0.0098 0.0119 0.0160 Light Radial > 32 HRC of Dia.

< 32 HRC 1200+ 0.0054 0.0086 0.0120 0.0147 0.0178 0.0240 < .010 Radial Finishing 600+ 0.0045 0.0071 0.0100 0.0123 0.0149 0.0200 > 32 HRC Depth

High Performance Progressive Helix End Mills for High Temp Alloys

High Temp Alloys Cobalt, Nickel and End Mill Diameter Chip Load Per Tooth Iron Base Haynes, Hastelloy, Inconel, Waspaloy, Nimonic, Depth of Cut SFM Type of Cut Astroloy 1/4" 3/8" 1/2" 5/8" 3/4" 1" (vs. Tool Dia.) Speed

< 32 100 - 140 0.0011 0.0018 0.0025 0.0031 0.0037 0.0050 < 50% Shallow Slotting 60 - 100 0.0009 0.0014 0.0020 0.0025 0.0030 0.0040 > 32 of Dia. > 42 40 - 80 0.0008 0.0012 0.0017 0.0021 0.0025 0.0034

< 32 100 - 140 0.0009 0.0014 0.0020 0.0025 0.0030 0.0040 75 - 100% of Deep Slotting 60 - 100 0.0007 0.0011 0.0016 0.0020 0.0024 0.0032 > 32 Dia. > 42 40 - 80 0.0005 0.0009 0.0012 0.0015 0.0018 0.0024

< 32 120 - 160 0.0011 0.0018 0.0025 0.0031 0.0037 0.0050 Medium Radial 30% x Dia. 100 - 120 0.0009 0.0014 0.0020 0.0025 0.0030 0.0040 1.0 X Dia. Depth > 32 Radial > 42 60 - 100 0.0008 0.0012 0.0017 0.0021 0.0025 0.0034

< 32 100 - 140 0.0009 0.0014 0.0020 0.0025 0.0030 0.0040 Heavy Radial 50% x Dia. 60 - 100 0.0007 0.0011 0.0016 0.0020 0.0024 0.0032 1.0 X Dia. Depth > 32 Radial > 42 40 - 80 0.0005 0.0009 0.0012 0.0015 0.0018 0.0024

< 32 120 - 160 0.0011 0.0018 0.0025 0.0031 0.0030 0.0050 Medium Radial 30% x Dia. 0.0007 0.0011 0.0015 0.0018 0.0022 0.0030 2.0 X Dia. Depth > 32 Radial 100 - 120 > 42 60 - 100 0.0008 0.0012 0.0017 0.0021 0.0025 0.0034

< 32 100 - 140 0.0009 0.0014 0.0020 0.0025 0.0030 0.0040 Heavy Radial 50% x Dia. 60 - 100 0.0007 0.0011 0.0016 0.0020 0.0024 0.0032 2.0 X Dia. Depth > 32 Radial > 42 40 - 80 0.0005 0.0009 0.0012 0.0015 0.0018 0.0024

< 32 120 - 160 0.0011 0.0018 0.0025 0.0031 0.0037 0.0050 Finishing < 25% 100 - 120 0.0007 0.0011 0.0015 0.0018 0.0022 0.0030 Medium Radial > 32 of Dia. > 42 60 - 100 0.0008 0.0012 0.0017 0.0021 0.0025 0.0034

< 32 140 - 180 0.0014 0.0021 0.0030 0.0037 0.0045 0.0060 Finishing < 10% 120 - 140 0.0011 0.0018 0.0025 0.0031 0.0037 0.0050 Light Radial > 32 of Dia. > 42 80 - 120 0.0009 0.0014 0.0020 0.0025 0.0030 0.0040

High Performance Progressive Helix End Mills for Titanium

Titanium Alloys Cast and End Mill Diameter Chip Load Per Tooth Wrought 6AL- 4V ASTM 1/2/3 6AI-25N-4Zr-2Mo- Depth of Cut SFM Type of Cut Si 1/4" 3/8" 1/2" 5/8" 3/4" 1" (vs. Tool Dia.) Speed

< 32 200 - 250 0.0013 0.0020 0.0028 0.0034 0.0042 0.0056 < 50% Shallow Slotting 160- 200 0.0011 0.0017 0.0024 0.0029 0.0036 0.0048 > 32 of Dia. 120 - 160 0.0009 0.0014 0.0020 0.0025 0.0030 0.0040

< 32 180 - 220 0.0011 0.0018 0.0025 0.0031 0.0037 0.0050 75 - 100% of Deep Slotting 140 - 200 0.0009 0.0014 0.0020 0.0025 0.0030 0.0040 > 32 Dia. > 42 120 - 160 0.0008 0.0012 0.0017 0.0021 0.0025 0.0034

< 32 200 - 250 0.0014 0.0021 0.0030 0.0037 0.0045 0.0060 Medium Radial 30% x Dia. 160 - 200 0.0011 0.0018 0.0025 0.0031 0.0037 0.0050 1.0 X Dia. Depth > 32 Radial > 42 120 - 160 0.0009 0.0014 0.0020 0.0025 0.0030 0.0040

< 32 180 - 220 0.0013 0.0020 0.0028 0.0034 0.0042 0.0056 Heavy Radial 50% x Dia. 140 - 200 0.0011 0.0017 0.0024 0.0029 0.0036 0.0048 1.0 X Dia. Depth > 32 Radial > 42 120 - 160 0.0009 0.0014 0.0020 0.0025 0.0030 0.0040

< 32 200 - 250 0.0011 0.0018 0.0025 0.0031 0.0037 0.0050 Medium Radial 30% x Dia. 160 - 200 0.0007 0.0011 0.0015 0.0018 0.0022 0.0030 2.0 X Dia. Depth > 32 Radial > 42 120 - 160 0.0008 0.0012 0.0017 0.0021 0.0025 0.0034

< 32 180 - 220 0.0009 0.0014 0.0020 0.0025 0.0030 0.0040 Heavy Radial 50% x Dia. 140 - 200 0.0007 0.0011 0.0015 0.0018 0.0022 0.0030 2.0 X Dia. Depth > 32 Radial > 42 120 - 160 0.0008 0.0012 0.0017 0.0021 0.0025 0.0034

< 32 200 - 250 0.0011 0.0018 0.0025 0.0031 0.0037 0.0050 Finishing < 25% 160 - 200 0.0007 0.0011 0.0015 0.0018 0.0022 0.0030 Medium Radial > 32 of Dia. > 42 120 - 160 0.0008 0.0012 0.0017 0.0021 0.0025 0.0034

< 32 220 - 270 0.0014 0.0021 0.0030 0.0037 0.0045 0.0060 Finishing < 10% 180 - 220 0.0011 0.0018 0.0025 0.0031 0.0037 0.0050 Light Radial > 32 of Dia. > 42 140 - 180 0.0009 0.0014 0.0020 0.0025 0.0030 0.0040

< 32 250 - 300 0.0023 0.0036 0.0050 0.0061 0.0074 0.0100 < .010 Radial Finishing 200 - 250 0.0020 0.0032 0.0045 0.0055 0.0067 0.0090 > 32 Depth > 42 160 - 200 0.0018 0.0029 0.0040 0.0049 0.0059 0.0080

FORMULAS Important Disclaimer: The Accupro speed and feed rates are suggested by the manufacturer as a RPM = (SFM x 3.82)/tool diameter general guideline. Machine type, horsepower, spindle speed limitations, toolholding & workholding IPM = number of flutes x RPM x chip load per tooth devices all may impact a cutting tool's ability to perform properly. MSC is not responsible for tool failure, The chart is a starting point based on a coated tool. part damage or injury that may be caused as a result of the previous mentioned factors. Reduce rates up to 50% using an uncoated tool.