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• "Hybrid" Torque Specifications S rint/BSP and Pro-Fit/NPTF --l ...... "'
'Hybrid' Torque Specifications - (Sprint - BSP Fittings assembled into female NPTF ports) T1wilOO Size MiWn.m ToltpJel'l:U AW:itun IClqJe VWe Sprint N. fl-l.lI$ N. h-lbs 1/8" • 10 0.1 10.0 1.' 1/4" • 4.0 1.9 20.0 14,8 3/8" 27.0 10.0 54.0 40.0 1/2" 27.0 100 67.0 ~O • Hrllll! TOIq1N "loti III rlMll Tbllocf ~III QlIIIlVIll Illhl lorqilt WIlIII for (1lOIIa~OlII1l ~ (ISP Inale II ISP ftlnale). ·Hybrid" TOfque SpecificationS - (Profit - NPTF Fittings assembled into female BSP portS) (llulilln: Mating malelial and female parIs may be too soh for high la/que values. {heck material hardness ra avaid stripping, galling ar Closs·rhleading. This rable is ONLY a guide for "hybrid" silualians lhat require intmhonging rhreod Iypes 10 ouommadare tubing requilemenrs. ihleod Size Miifun ltll~ VIM Moxirun 'onp VtU Sprint N. fl-lbs N. fl-Lbs 1/8" • 0.1 10.0 - I' 1.' w 1/4 • 4.' 1.9 20.0 14.8 3/8" • I.' 3.1 20.0 14.8 1/2" 21.0 20.0 54,0 40.0 c< lit " ,tI,,,,, ," "Il' " .." ....1, ..1 I, ...... " ."l.., "",, 179 "MOnO at "j"" ,.. l,,,,,,j I" 1,;"",,1 ..,1""1,,, "j ,,, '" ...",,, f" .." ""."""I,."" - HI·TECH (800) 677-8942 I (303) 680-5159 www.hitechcontrols.com CONTROLS, INC. Click or Call for a Quotel TECHNICAL DATA - CORROSION RESISTANCE OF ELECTROLESS NICKEL PLATING Comolli IilIilgs LIGEND: t V«y ~(J(1ory JeIlb, JIlte Ii relllO'l'tllliom «(M!asm 1m rim 2.5 lOOMS pel yel'I. B: IMJ JeSlM. JOlt 01 rel'llCMll hom (ooosion less _12.5 miclOOl pel yeDI. (: 10 !Ie deddel! ., each COle M.Udy, roTe d remMJI FJOOl (OIlosOlless rim 25 rriallllS pel yell. 0: APDIion MIl fe( Temperature Tempefolufl TempefQture Subsroll(1 (OlKenlTDlion• lltgrm ( RMlonu Su/r$10ntf Conuntrotion• DegrmC RMlo1l[1 Substance (oncentrotioll• DegreesC ResistOll c< ~ 'It co.,," """" ,II ",.t It ..., ••"1,,,; j,..."", '·11,,, "'," 180 Tlo .. ,,,..,,, '" ."'.". t" 1.,,,,,,,1 ."10"',,.. uj """ ...,,\1, ,,, "I,,, '1, 1"",1 "llo, HI·TECH (800) 677-8942 I (303) 680-5159 www.hitechcontrols con CONTROLS, INC. Click or Call for a Quotel • TECHNICAL DATA - CORROSION RESISTANCE OF ELECTROLESS NICKEL PLATING FOR VARIOUS fOODS ---0 (1J1lOll'i JirIi'qs Ole ~ed at a~ of s-a IJll (rrivonsl. .. lEGEI/O: ...... - VefYsaTisfoctory 191, fole rJ lefI'o:l'lU from COI101ion less ttm 1.5 miutlm pel ytIlJ. T - UseluI~, ICI. rJ lemo'>'d hom {OI1osiol1less ttm 12.5 mons ..... ~~ - 10 be deOOed in eodJ CIM n:hWJy, (DIe of tellJJ'od frOOl (OlJO' litIIless ttm 25 ,nutw!lO pel yell. - - Appkotion nor r«orrrnended for b'I!l periods, role rJ letI'IOYd from I. 1 ronosicwlll"llle Ihoo 25 rriuons per 1U. Penetrolion I> I" pH Volume T~lnme 'enelrotion Volume"" Test rlllHl (miaons,l Sublranle Value (Ml) (HR'i) (mkrGllS/yr) Subs!anle (Ml) (HR5) ,I Apple Juice 3.1 .50 1702 1.2 At:om 1", ;00 5570 '.1 500 1102 HpH ~~. 150 3910 1.6 Aceri( Acid. 500 1616 13.1 =' 5.1 5~ Cooned (om '.1 150 1702 " (HXOOH (2 TM) I> 3.5 1681 .50 '.3 '00 "'.1 ""'-5% (A12S04) 3 """'Co••""...'" '.1 '50 1702 ,.1 i C...... ;00 1681 '.3 ...... ;00 3624"" 12.6 (omed PoTGIOeS 5.8 350 1681 U 21N NH40ll I> 3.8 150 3910 ... Asort,i( Ad:l, ;00 2660 16.7 ~81orl1 100 312/502 I 111% (4H&05 (3 ltStS@95de11eesO • Asorti: kid, ;00 4990 Ch:xoote Candy 150 1681 5" (6H606 ••• Co:boo lioDIe .50 4891 4.3 Coffee 5.3 700 1129 '.B 5% Fw ' Coli. '.8 100 312/554 4) (. tesli@95de!lrees{) Gtriki:l, ;00 2660 14.1 Cooked Onions "0 1102 ,.. 5% C6H807 .50 1702 '.5 ~WllIer, 100 111 """"" ... '.3 300 lH8/1633 '.1 (2 ~ @95delFees{) l~esrs @2degrees{) lleiorial WlI\ef, 900 m6/S089 I.' Gin (21M) 7.5 150 3910 0.02 (lMlkm%tem) (",qle JW;e 800 1702 1.8 Oea, ;00 5510 '.1 ""JW;e 3.1• '00 1702 '.5 ~8~ 1.3 800 1702 I . Wale" 900 m6/S089 0.05 (~ """ ... 'SO 1702 lH 8.0 pH tesrs) ..... 3SO 1702 '.1 I"", ;00 383' ,.5 Margarine"""'" (2 deg:ees C) 100 1633 ..,.... 3.7 1681 '.1 I.octk"ki:l, ;00 1337 1.3 '00 16581 ,. 85" C3H603 .50'" 1248/1633 '.04 .50 2599/2618 12.6 ""'"(21M@2deg:ees{) ••• ~~(2tesrs) "" lSO 1702 '.3 PoIOSSixn CcrlKn3Ie. ~SO 2302 '.1 ...... "" 150 1681 ,. 25% K2C02 ...... 1337~78 .SO 1702 Sa5ne Water 1 """'PteIed 1omJl1leS... '.1 '00 1681 0.5 26" iidj (21M) ",""W.. '" 1198/3335 ,.I P'unJW;e IIXXl 1702 I ~()% 5.5 350 1681 '.3 (;lb (21M) '" ...... "'... 300 124B/1633 ,.• so.. 1198 ,.5 '- (21es1s@2degieesC) 5" Nell. 6.3 pH 5.8 ISO 3910 0.1 SeaWoteI, '"SOD 1272 ~i;SaybmOl1 30 (rj) 1681 Altha!, 8.2 pH (21tS1S) Sl:otdJ~e'I"" 5.3 150 3910 1.8 SocM.m 8i:lIbxiate, SOD 3839 ••• 5.1 '00 1681 1.8 2% NoOC03 5'" """" 3.5 ISO 1681 "t:~. ;00 5041 '.1 ""Sjxrish....00ve General Pipe Thread Identification Guide ,... ~ 00 00 LJ-'-.'-L NPTF Fema\tl NPSM NPTF Male "email' JIC 31· FIaI1l Female IPT or NPT Pipe Threod llC 37-degree Flore The NPTF (lPT) mole will mole with the NPTF or NPSM female. The Jle 37° II00e mole will mote with a J1( female only. The lie The NPIF (lPT) mole hos lapered threods and 030° inverted male has straight threads and a 37° flare seat. The lie female has seol. The NPTF female hos tapered threods and no seot. The seol slroightthreods and a 37° flCie seat. The seal is mode on the 37° lo~es ploce bV deformaTion of the threods. The NPSM lemale hos flare seal. straight threods end a 30° inverted seot. The seol rokes ploce on the 30° seoL 1,1 :.~ .0' ...'0= , . -'--.,. 'S' SAE 4S-degree Flore SAE Stroight Threod O-Ring Boss The SA( 45° f10re mele will more with on SAE 45° flore female The o'ring boss mole will mote with on o'ring boss female only. only. The SAE mole hos stroighllhreods and 0 45° flare seol. The The female is genelOlly found on equipment ports. The mole has SA! female hos straightlhreads and 0 45° flore seol. Ihe seol is slraightthreods and an a-ring. The female hos straight threads and mode on the 45° flare seol. a sealing face. The seal is made at the o--ring on the mole and the sealing face on the female. 1_00 '_'0 ~ - .,, - v SAE Irwefled F.... S...... MlI'- SAE Inverted Flore The SAE 45° inverted flare male will mate wilh a 42° inverled 1I00e female only. The male has straight threads and a 45° imrted flare. The female has straighlthreads and a 42° inverted flare. The seal is mode on the 45° flare seat on the male and the 42° fJOie seot on the female. c< ~ rlt co.,," """" 'II ",.,,, ..., ••"" II; j,..."", '_11,,, "'," 182 Tlo" '"h''' '" jtll.,,; I" 1.;,,"'.1 ",hut,... u; ,.,." ...,,\1, ror "I,,, '1, 1"",1 "llo' HI·TECH (800) 677-8942 I (303) 680-5159 www.hitechcontrols coli CONTROLS, INC. Click or Call for a Quotel • National Pipe Thread Standard -, Thread Farm ~ The loper on NPr threads allows them to form a seal when torqued as the flanh of the threads comprm ogainst eoch other, as opposed to straight fhread fillings or compression fillings in which the threads merely hold the pieces together cnd do nol provide 1:<"" the seol. Howmr 0 dearonce remains between the cresls and rools of the threads. resulting in a leakage around this spireL This means thot HPl fillings mUSI be mode leak free with the aid of thread seollo~e or 0 fhread seolant tompound. (The use of lo~e or - seolont will also help 10 limit corrosion on the threads, whkh (cn make future disassembly nearly impmible.l I~ ... There is elsa 0 semi-compatible variant called NPTf or Dryseol, de~igned to provide a more leak·flee seal without the u~e of Teflon t:> tope ar other seolent compound. NPTf threads are the some basic shope but with cresr end loal heighrs adjusted for on interference 1- fit, eliminating the ~pirol leakage path. Sametime~ NPJ rhreods are leferred to o~ MPT (Mole Pipe Thread), MNPI, ar NPT (M) for mole (exfernol) threads and FPT (Female Pipe Thread), FNPl, or NPJ (F) for female (internal) threads. An equivolenr designation is MIP (Mole iron pipe) and FIP (Female iron pipe). PIPE THREAD SIZES NomiMlI O.ler "'..., Pile. 01 Tlueod NPl Silt Diomeler per ilKh 1/16" 0.3125· 17 0.0371).4 1/a" O.~OS· 17 0.0371).4 1/~ • O.S~O· 18 0.OSSS6 3/8 • 0.67S· 18 0.OS556 1/2 • o.e~o· 14 0.071~3 3/~ • 1.050' 14 0.07143 I' 1.31S· 0.08696 WI' 1.660' "" 0.08696 1.900· "" 0.08696 l'"" 2.37S· '" 0.08696 ,.. 2.87S· ""8 0.12500 3• 3.500' • 0.12500 .. HOO' 0.12500 • - c< rlt " ...., """" 'il "I~'" .." ..1,1. ,n 4, ...,,,...,,~ .., ",,,, '-'MOnO TIm ."h," ,,, 4"1,,,j f,. '.4"".,1 ..,I"""" "j ,., 'ot ",,,.,, f" "I, "'1'1",,,1 "",, 183 - HI·TECH (800) 677-8942 I (303) 680-5159 www.hitechcontrols.com CONTROLS, INC. Click or Call for a Quotel Unified Thread Standard UTS PREURRED SIZES Map- dialMler Pilo Major Mllltl.r nil 11/i.l [_1 (~ The Unified Thread Standard IUTS) defines 0 standard thread form and UW( '"UN[ series-along with allowances, tolerances. and designations-for screw threads 10 .. 0.0600 - 80 1.51~0 commonly md in the United Slares and Canodo. II has the some 60° profile as the ISO metric screw thread used in the Jes! of the world, but the (horoclelisric dimen 11,,0.0730 .. 71 1.85~1 sions of eoch U1S thread (ouler diameter and pilch) wele chosen as on inch froction 12 .. 0.0860 ~ 1.1~~ ~clue. lother thon 0 round millimeter The UTS is currently (onlrolled by ASMEjANSI 13 .. 0.0990 "56 2.5146 in the United Steles. .. 14 .. 0.1120 .. 1.~48 Designotion 15 .. 0.1250 " .. 3.1750 16,,0.1380 "31 3.5051 The standord designation for 0 UIS thread is 0 number indicoTing the nominal (maior) 18 .. 0.1640 31 " 4.1656 diameter of the thlead, followed by the pilch measured in threads per inrh. For diem· eters smeller than Vt inch, on integer number defined in the standard indimtes the 110" 0.1900 "31 4.8160 diemeter. For all other diameters, the inch figure is gi~en. Ill" 0.2160 " 18 5.4864 "10 18 6.3500 This number pair is optionally followed by the lellers UN( end UNF ilthe diameter· 1/' pilCh combinetion is from the "coarse' or ~fine' series, and may also be followed by S/16 18 7.9375 a tolerance elm. 3/. 16 " 9.5150 7/16 "10 11.1125 Example: 6·32 UN( 28 (major diameter: 0.1380 inch, pitch: 32 tpi) '/1 "13 10 l1.7lXXl 9/16 11 18 14.2875 1/8 11 18 15.8750 3/. 10 16 19.0500 1/8 9 " n2250 I • 11 15AlXXl Tol.ronle dosses Aclassification system exists for ease ef manufacture and interchangeability of fabricated threaded items. Most (but certainly not olll threaded items ore mode to a classification standard (oiled the Unified Strew 'hreod Standard Series. This system is analo gous to the fits md with assembled ports. (lasses 1A, 2A, 3A applv to external threads; Classes 1B, 28, 38 applv to intelnolthreods. (lass 1 threeds ore leaseiy lilling threads intended for ease of ossembly or use in a dirty environment. (lass 7 threeds ore the most common. They ore designed to maximize s!rength considering typical machine shop capability and machine prO(tice. Class 3 threeds are used for closer tolerances. Thread doss refers to the acceptable range of pitch diameter for any given thread. The pitch diameter is shown as d2 in figure 1 aba~e. There ore severol methods that ore used to measure the pitch diameter. !he most common method used in produrtion is by wey of a Go·NoGa gouge. References ASMEjANSI 81.1 - 2003 Unified Inrh Screw Threads, UN & UNR Threed Form ASMEjANSI 81.1 OM - 2004 Unified Miniature Strew Threads ASME/ANSI 81.1 S- 1995 Unified Inch Smw Threads, UNJ Thread Form c< rlt co."., """" 'II ",.t" ..., ••"1,,,; j,..."", '.11,,, "t,,, ~ 184 Tlo" '"h''' '" jill,,,; I" I.;"",.r ",10"',... u; ,.,." "",\1, r" "r,,, '1, I"",r "llo' HI·TECH (800) 677-8942 I (303) 680-5159 www.hitechcontrols cori CONTROLS, INC. Click or Call for a Quotel I • General Metric Pipe Threads i -n I· ~ I:..I.. I~ A 8 ..... Tlweod Silt 1\rtGds ptf ltKII side DioIIIeltr ...... British Standard Pipe Parallel Thread 1/. ". It"".... 3/8 " .65" The British Standard pipe parallel (BSPP) is used primarily for threaded 1/2 " .82" - ports and is ~imilor 10 SA! stroighllhreod. Ihe mole ho~ straight 3/. " .00' threads and on D-ting. The BSPP female hos straight threads and a I- , sealing fcce. The nol is mode at the (l-ring on the mole and the seol· I "II .". ing fore on the female. I> ---I Ix:.-- A A 8 11} [IJ T1weod Sile IIllII 8elw_ mm 1\,eods IlioIntltr"" 12 1.5 .(1" .""'" 1~ U .55" 16 1.5 .63" Metril Thread 20 1.5 .79" Ihe metric threed is similar to the SAE strcighllhreod as Ihe seal is 22 1.5 .88' (lealed bv on (l-ring on the mole mating a seol on the smooth foce 27 2,Il .0<" or surface of the female. '- 8 A Thread Sile 1\reods pet llldi DiaIIlettr"" 1/' .47" 3/8 " .60' British Standard Pipe Taper 1/2 " .16" 3/. " .93" The Blifish Standard pipe toper (85m mole hos tapered threads Ihe aSP1 femcle hos lapered threed5. The ieel !Ckei piece by deformotion I "II .23" cf the threods. C< III " "tl."" 11. "I~'" "" ••••" n' '.•n,,,,, ."..., "II" British Standard Pipe Thread The British Standard Pipe thread (BSP thread) is 0 family 01 standard snew threed Iypes thaI has been adopted internnlionolly for inter connecting cnd sealing pipe ends by moting on external (molel with on internal (female) threod. Types Pipe thread sizes Two types of threods ore distinguished: Alist of 15 thread sizes is defined by the standards, ranging from • Pcrollelthreods, which hoye a constant diameter. (6) 1/16 to 6. The size number was originally based on the inner diame· • Toper threods. whose diameter increoses or decreases along the length of ter measured in inches (25.4 mm) 01 a steel tube for which the threod the threod. (R) was intended, but is in the modern metric version of the standard simply a size number. The¥ con be combined into two types of joinl1: • Jointing threads: These ore pipe threods for joints mode pressure-light by Pipe thread designations the moting of the threads. They always use a loper exlernolthreod, but con hove either porollel 01 toper internal threads. (In Continental (urope, toper These standard pipe threads are formally referred to by the following internal pipe threads are not commonly used.) sequence of bloc~s: • longsuew threads: These are parallel pipe threads used where a pressure' • the words "Pipe thread", (gos~et) tight joint is achieved by the compression of a salt material on to • the document number of the standard (e.g., "ISO 7" or "EN the surface of the external thread by tightening a bac~nut against a soc~et. 10226"1 • the symbollof the pipe thread type: Thread/orm G'"' externol.inlernal parallel (ISO 228) R'"' externollaper (150 7l For both the toper and the parallel pipe threads, the Whitworth thread lorm is Rp '"' internal parallel (ISO 7l used. which has the following {horoCleristics: Rc '"' internol taper (ISO 7l • symmetrical V·threod in which the angle between the f10nh is 55" • the thread size (meOSUJed in on axial plane) • one·sixth of this sharp Vis truncated at the top and the bottom Threads are normally right-hand. For left-hand threads, the letters "lH" • the threads are rounded equally at uests and roots by circulor orclend ton· ore appended. gentiolly with the flonh • the theofetkol depth of the thread is therefore 0.64times the nominal pitch the relation between "",., ro,,",, Major Diallllltllf of ..... Size Pel 1.dI ",. th lllUod Legt. Conespoodi-g Pipe 00 OD Thk.lMlu lmml I_I [.J I_J ON lmml [1_] I_J The major diameter listed is the auter 1/16 18 0.907 7.123 D.3O< • diameter of the external thread. for 1/' 18 0.907 9.728 0.383 6 10.2 O.~O 1 a taper thread. it is the diameter at • the "gouge length" from the small 1/' 1.337 13.157 0.518 6 8 13.5 0.53 1.3 end of the thread. The toper is "1 to 3/. " 1.337 16.662 0.656 6.' 10 17.2 D.68 1.3 16", meaning that for each 16 mm 1/1 " 1.81~ 20.995 0.825 8.1 21.3 D." 1.6 increase in the distance from the end, the diameter inueases by 1 mm. 3/' " 1.814 26.441 l.()41 9.1 10" 26.9 1.06 1.6 I "II 2.30'1 33.2~9 1.309 10.4 11 33.1 1.33 3.1 W. II 1.309 ~1.910 1.650 12.7 31 42.~ 1.61 3.1 II 1.309 0.803 H82 12) 48.3 1.90 3.1 1'" II 1.309 59.61~ 1347 15.9 "SO 60.3 2.31 3.6 II 2.309 15.184 2.960 17.5 6S 76.1 300 3.6 '"3 II 2.30'1 81.88~ 3.460 20.6 SO 88.9 3.10 • 4 II 2.309 113.030 ~.4SO 25.5 100 11~.3 4.10 ., 5 II 2.309 138.430 5.4SO 28.6 115 139.7 5.10 1 6 II 1.309 163.830 6.450 28.6 110 165.1 6.10 5 co( Il, "..... ,ot,,,,, ,It H.I' " ,or, .,.,1, "I j,...,I.., .,,1..,..,,,, ~ 186 II", ,,,.,,,, '" ..",,,I h' 11/0"",1 "'"''',''' ". ,,' .., "".ll. I" "" " ," ,,,,,,, .,11" HI·TECH (800) 677-8942 I (303) 680-5159 www_hitechcontrols coli CONTROLS, INC. Click or Call for a Quotel I • Japanese Standards ---0 -- PF - JIS Parallel Pipe Threads PT - liS Toper Pipe Threads PS-JISPorallellnlernal ...... ds (10 male Pf threads ore functionally inrerdongeoble wifh Pi threads ore fundjoncllv interchangeable with Pipe Threa T BSP? This is on old designations reploced with G. 85PT threads. This is on old designations reploced with PT Ih reads) I~~ with and Rand Rc. Applicable Standards Applicable Siandards - • liS 8 202 PARAlLH PIPE IHR(ADS Applicable Standards • III B0103 TA PER PIPI THREAOI I- 1 • ISO 228/1 PIPE THREADS Pi 1: DESIGNATION, • liS B0203 TAPER PIN THREADS DIMENSIONS, rOlfRANCf • ISO 7/1 PIPE THREADS: DESIGNATION, I> OIMENIIONI(TOLERANCEI =' , 07 I> i ...... I> .,- SJ ,..... • Japanese 30· Flare Parallel Threads Japanese Tapered Pipe Thr ead These Japanese 30° Ilore mole (ooneOOI will mole with a The Japanese tapered pipe thread connector is identicol to ond Japanese 30° f10re femole only. fully interchangeable with the 8SPT (topered) connector. The Joponese connectOl does not hove 0 30" flOle . ond will not The mole ond femole hove stroightthreods ond 0 3D" seot. The mote with the BSPP femole. seol is mode on 0 3D" seot. Ihe threods conform to JIS B0203. which ore the same os The threods on the Joponese 3D" Ii00e connectOl confOlm to 115 B 8SPT threods. 0202. which are the some os the BSPP threods. Both the British ond Joponese (onnectors ho~e 0 30" seat, but they Ole not inter· The seo! on the Joponese topered pipe threod cannector is chongeable. becouse the British seot is in~erted. mode on the threads. M"" ... f...... NomilMll Threocl TiI,eocI O.D. '" NomillCll TIo.,", 11Ireocl O.D. Tilreocll.D. Sill Sizi (in ) Sin U. I Sin.. Sill (i•.) SiZI lin.) (in.) - -I 1/' 1/8-28 3/8 11/32 -I 1/8 1/8-18 3/8 11/32 • 1/. 1/4-19 11/32 1/16 • 1/. 1/4·19 17/32 7/16 • 3/. 3/8-19 21/32 19/32 • 3/8 3/8-19 21/32 19/32 • 1/1 1(1-14 13/16 3/. • 1/1 1/2·14 13/16 3/' -10 5/' 5/8-14 29/32 13/16 -11 3/. 3/4-]( 11/32 15/16 -11 3/. 3/4-14 11/32 15/16 -16 I HI 15/16 13/16 -16 I 1·11 15/16 13/16 -10 11/4 11/4·11 I 21/32 117/32 -10 11/4 11/4·11 121/32 111/32 -1l 11/1 11/2·11 r 7/8 125/32 -1l 11/1 11/2·11 11/8 115/32 -31 1 1·11 111/32 21/32 -31 1 2·11 111/32 27/32 -31 1 2·11 111/32 27/32 C< flo " ....r '''''''' ,I, "Ill" "" ....11 ....,.""'" .,Il.., "',,. ISO Metric Screw Thread The ISO metric screw threads ole the worldwide most commonly used type 01 general·purpose screw thlead. They were one of the firsl international stondOids agreed when the International Orgonizotion for Standardization was set up in 1947. Designotion Amelric ISO screw thread is designated by the leIter M If the pitch is the normolly used "(oorse" Tolerance dosses defined in ISO 965·1 (on followed by the value of the nominol diameter 0 (Drnoi pitch listed in ISO 261 or ISO 262, be oppendedto these designations, in the diagram above) ond the pilch P, both expressed in il is omitted. if required. millimeters and separated by the multiplicotion sign ·x·. homple: M8 Example: Ml0 - 6g in external threads. Example: M8x1.2S Pre/erred sizes Internotionol stondordlSO 261 defines 0 detoiledlist 01 preferred combinotions 01 outer diometer 0 ond pitch Plor ISO metric screw threods. ISO 262 defines the following shorter lisl 01 thread dimensions - a subset of the combinolions listed in ISO 261 - which are selected sim lor screws, boll's and nuts: HomillCll Dialllllier Nominal Diamet.r lOI-J PitdI(P/_l (D/lllllli Pitch IP/mml I, I, ""'. 2M Choice [~ IN ""'. 2M Choice [~ IN 1 0.25 16 1 I.S The "coarse" pit(h is the commonly used deloult pitch lor 0 given diameter. In addition, one or 1.1 0.25 1.1 1 1.\ two smoller "fine" pitches are defined, for use 1.. 0.' 10 '" 1.1 1 I.S in applications whele the heigh! 01 the normal 1.6 0.35 11 1.\ 1 I.S "coarse" pitch would be unsuitoble (e.g.. threads in thin-walled pipes). The terms "coarse" and 1.8 0.35 , 1 "fine" hove in this conted no relation to the 1 0.' " 17 , 1 manufacturing quality of the thread_ 1.1 0.45 30 3.\ 1 , 0.\ ~ ,.I 1 ,.I 0.6 , , , 0.7 " , , \ 0.8 " 4.\ , 6 1 " 41 ,.I , 1 I 4B \ , 8 1.25 1 11 \ , 10 1.\ 1.25 1 16 \.1 , 11 1.15 1.\ 1.25 60 \.\ ,• " 1 1.1 .. 6 Referenles International standards: • )5068-1: ISO generol-purpose screw threods - Basic profile - Metric screw threads. • ISO 261: ISO generel·purpose metric screw thleeds - General plen. • 150 261: ISO generel-pulpose metric screw thleeds - Selected sizes for mews, bolts ond nuts. • ISO 96S·1: ISO genelol'purpose metric mew threads - loleronces - Port 1: Principles and bask data. Equivalent national standards: • BS 3643: ISO metric screw threads • ANSIjASME B1.13M: Metric Screw Threeds: MProfile c< lit co.,," """" 'II ",.,,, ..., .,"1, ..; j,.",,,,, '.11,,, "'," ~ 188 Tlo .. ,,,h," '" j",.,,; I" 1.;,,"'.1 ",hut,... u; ••,." ...,,\1, I" "I,,, .1. 1"",1 "llo, ~ HI·TECH (800) 677-8942 I (303) 680-5159 www.hitechcontrols.com ~ CONTROLS, INC. Click or Call for a Quotel www.hitechcontrols.com/camozzi/ I o <> 3 o [ < !!. ..< o <> ~ 0' c ~ HI·TECH W CONTROLS, INC. 14853 E. Hinsdale Ave., Su ite 0 ~ Centennial, CO 80112-4240 USA ::> g Phone: 303·680·51591 Fax: 303-680-5344 '"o Ema il: [email protected] '" "-c<