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GOVERNMENT - FEDERAL  Drilling Stainless and Mild Steel CRYOBIT® DRILL BITS

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GOVERNMENT - FEDERAL  Drilling Stainless and Mild Steel CRYOBIT® DRILL BITS GOVERNMENT - FEDERAL Drilling Stainless and Mild Steel CRYOBIT® DRILL BITS APPLICATION STORY • Maintenance groups in most facilities face the same challenge: drilling stainless. While stainless is not a hard metal, it will harden quickly if it is not drilled properly. • Some use cobalt bits to drill stainless, but these bits have a thick web and will not pass bulky chips (like aluminum and mild steel). Standard HSS bits typically dull quickly drilling stainless. One facility directed their maintenance group to test Cryobit drill bits against “premium” HS and cobalt drill bit samples from four companies. • After extensive testing, they concluded Cryobit drill bits possess the toughness and diversity they require. Cryobit drill bits drilled up to 6 times more holes in stainless steel. Additionally, FEATURES AND BENEFITS they found Cryobit drill bits to be perfect for drilling softer metals like carbon steel and aluminum. • Designed to be tough enough for abusive hand drilling yet open enough to pass large softer chips without binding TIPS FOR DRILLING STAINLESS STEEL • 50% flute resists breaking caused by Drilling stainless requires 50% more feed pressure than excessive flexing mild steel and a reduced RPM • CM-8™ alloy steel combines with the patented Stainless steel work-hardens up Cryophase™ treatment to help keep the drill bit to 45 Rockwell-C sharp in the toughest applications • Too little feed pressure work- hardens the immediate • 3-Flats on the drill bit shank makes these bits perfect drilling surface Cryobit drill bits can be used • A dull bit will work-harden for keyless chucks commonly found in hand drills by hand or in drill presses… the immediate drilling surface • A center punch work-hardens • Available in 29 piece jobber lengths to 1/2'' and in the starting divot reduced shank bit sizes up to 1-5/16'' • Pilot holes are NOT beneficial when drilling stainless because they can work-harden the hole Always use cutting fluid when drilling stainless to promote cleaner hole finish and double …or lathes. bit life www.gsaadvantage.gov Contract GS-06F-0016T Cost Savings Summary Date: November 2010 Repair Problem: Drilling in Stainless Steel Original Repair Procedure and Result: Using high speed steel (HSS) drill bits to drill stainless steel during regular maintenance. Each bit drilled only 2 holes before failure and each hole took approximately 1 minute of drilling. In an average month, 150 holes are drilled, which required 2.5 man hours and 75 drill bits. Estimated Monthly Cost of Original Repair Procedure: $983 Alternative Repair Procedure with Partsmaster Products and Results: Using Cryobit® drill bits on stainless steel averages 15 seconds per hole and each bit drills an average of 12 holes. Drilling 150 holes each month now requires a little over 0.6 man hours and only 12 drill bits. Estimated Monthly Cost Using Partsmaster Products: $246 Additional Comments: By using Cryobit drill bits on stainless steel, costly down time was avoided as well as added frustration of constantly changing bits. It also reduced fatigue of user by drilling 4 times faster in stainless steel. Drill bit usage was reduced by 63 bits per month. Estimated Monthly Savings: $ 737 Estimated Annual Savings: $8,844 Code Description DY99995018 18 Codepiece Set in metalDescription index: 1/16” to 1/2” Accessories in 32nds with 2 each of the smallest sizes DY99995029 29 piece Set in metal index: 1/16” to 1/2” in 64ths DY99995055 55 piece Set in bench index: 29 sizes, like above with 3 each 1/16” to 11/64”, 2 each 3/16” to 21/64” and 1 each 11/32” to 1/2” DY99995115 15 piece Set in 3 drawer cabinet: 1/16” to 1/2” in 32nds DY99995129 29 piece Set in 3 drawer cabinet: 1/16” to 1/2” in 64ths DY99990008 8 Piece Set in plastic case: 9/16” to 1” in 16ths DY8060 series Individual fractional jobber length bits from 1/16” to 1/2” DY8062 series Individual fractional 3/8” reduced shank bits from 25/64” to 1/2” DY8012 series Individual fractional 1/2” reduced shank bits from 33/64” to 1-5/16” To order, call 1.800.336.0450 Visit us at www.partsmaster.com ©2013 NCH Corp. SS14090009.
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