waratah FL85 - Miscellaneous; Unified Inch-Bolt and Cap-Screw Torque Values

Miscellaneous
ContinuedonnextpageAM24480,000035E-19-29FEB16-1/2
Uniedinch-boltandcap-screwtorque
values
UNIFIEDINCH-BOLTANDCAP-SCREWTORQUEVALUES
Unlessotherwisespecied,thetoleranceis±10%
TORQ1A—UN—15APR13
Top:SAEgradeandheadmarkings;Bottom:SAEgradeandnutmarkings
Thefollowingdataisintendedtoassistinthemachine’sgeneralmaintenance.
Itisrecommendedyouonlyusegrade8(orhigher)hardware.
Grade1(Nomark)Grade2
a
(Nomark)Grade5/5.1/5.2Grade8/8.2
Thread
Size
Lubricated
b
N·m(lb-ft)
Dry
c
N·m(lb-ft)
Lubricated
b
N·m(lb-ft)
Dry
c
N·m(lb-ft)
Lubricated
b
N·m(lb-ft)
Dry
c
N·m(lb-ft)
Lubricated
b
N·m(lb-ft)
Dry
c
N·m(lb-ft)
1/43.8(2.8)4.7(3.5)6(4.4)7.5(5.5)9.5(7)12(9)13.5(10)17(12.5)
5/167.7(5.7)9.8(7.2)12(9)15.5(11.5)19.5(14.5)25(18.5)28(20.5)35(26)
3/813.5(10)17.5(13)22(16)27.5(20)35(26)44(32.5)49(36)63(46)
7/1622(16)28(20.5)35(26)44(32.5)56(41)70(52)80(59)100(74)
1/234(25)42(31)53(39)67(49)85(63)110(80)120(88)155(115)
9/1648(35.5)60(45)76(56)95(70)125(92)155(115)175(130)220(165)
5/867(49)85(63)105(77)135(100)170(125)215(160)240(175)305(225)
3/4120(88)150(110)190(140)240(175)300(220)380(280)425(315)540(400)
7/8190(140)240(175)190(140)240(175)490(360)615(455)690(510)870(640)
1
285(210)360(265)285(210)360(265)730(540)920(680)1030(760)1300(960)
1-1/8400(300)510(375)400(300)510(375)910(670)1150(850)1450(1075)1850(1350)
1-1/4570(420)725(535)570(420)725(535)1280(945)1630(1200)2050(1500)2600(1920)
1-3/8750(550)950(700)750(550)950(700)1700(1250)2140(1580)2700(2000)3400(2500)
1-1/2990(730)1250(930)990(730)1250(930)2250(1650)2850(2100)3600(2650)4550(3350)
a
Grade2appliesforhex-cap-screws(nothex-bolts)upto6”(152mm)long.Grade1appliesforhex-cap-screwsover6”(152mm)long,and
forallothertypesofboltsandscrewsofanylength.
b
"Lubricated"meanscoatedwithalubricantsuchasengineoil,orfastenerswithphosphateandoilcoatings.
c
"Dry"meansplainorzinc-platedwithoutanylubrication.
DONOTusethesevaluesifadifferenttorquevalueor
tighteningprocedureisgivenforaspecicapplication.
Thetorquevalueslistedareforgeneraluseonly.
Ensureyoucheckthetightnessoffastenersperiodically.
Asshear-boltsaredesignedtofailunderpre-determined
loads,youshouldalwaysreplaceshear-boltswithan
identicalgrade.
Onlyreplacefastenerswiththoseofthesamegradeor
higher;whereahigher-gradefastenerisused,ensure
onlytightenthemtothestrengthoftheoriginal.
Ensurefastenerthreadsarecleanandthatyoustart
thread-engagementproperly;takingthesestepswill
minimisetheriskoffastenersfailingwhentheyarebeing
tightened.
4-1-1
090621
PN=56