Toro 08743 - Standard Torque for Dry, Zinc Plated, and Steel Fasteners (Inch)

StandardTorqueforDry,ZincPlated,andSteelFasteners(Inch)
ThreadSizeGrade1,5and8with
ThinHeightNuts
SAEGrade1Bolts,
Screws,Studs,and
SemswithRegular
HeightNuts(SAE
J995Grade2or
StrongerNuts)
SAEGrade5Bolts,
Screws,Studs,and
SemswithRegular
HeightNuts(SAE
J995Grade2or
StrongerNuts)
SAEGrade8Bolts,
Screws,Studs,and
SemswithRegular
HeightNuts(SAE
J995Grade2or
StrongerNuts)
#6-32UNC1.5to2N·m(13to
17in-lb)
2to3N·m(20to
26in-lb)
#6-40UNF
1to1.5N·m(8to
12in-lb)
1to1.5N·m(11to
15in-lb)
1.5to2N·m(15to
19in-lb)
2to3N·m(22to
28in-lb)
8-32UNC3to4N·m(26to
33in-lb)
4to5N·m(36to
46in-lb)
#8-36UNF
1to1.5N·m(11to
15in-lb)
2to3N·m(20to
30in-lb)
3to4N·m(27to
35in-lb)
4to5N·m(38to
48in-lb)
#10-24UNC4to5N·m(37to
47in-lb)
6to7N·m(54to
66in-lb)
#10-32UNF
2to2.5N·m(16to
20in-lb)
3to4N·m(25to
35in-lb)
5to6N·m(43to
53in-lb)
7to8N·m(59to
73in-lb)
1/4-20UNC4to6N·m(41to
55in-lb)
5to7N·m(46to
60in-lb)
10to12N·m(90to
110in-lb)
14to17N·m(125
to155in-lb)
1/4-28UNF5to7N·m(46to
60in-lb)
6to8N·m(55to
75in-lb)
11to14N·m(103
to127in-lb)
16to20N·m(143
to177in-lb)
5/16-18UNC11to13N·m(100
to130in-lb)
10to13N·m(90to
120in-lb)
19to25N·m(175
to–225in-lb)
30to37N·m(270
to330in-lb)
5/16-24UNF13to17N·m(121
to155in-lb)
13to16N·m(111
to145in-lb)
23to28N·m(200
to250in-lb)
33to40N·m(292
to358in-lb)
3/8-16UNC19to24N·m(14
to18ft-lb)
19to24N·m(14
to18ft-lb)
37to45N·m(27
to33ft-lb)
51to65N·m(38
to48ft-lb)
3/8-24UNF20to26N·m(15
to19ft-lb)
22to27N·m(16
to20ft-lb)
42to53N·m(31
to39ft-lb)
60to76N·m(44
to56ft-lb)
7/16-14UNC33to40N·m(24
to30ft-lb)
33to40N·m(24
to30ft-lb)
61to74N·m(45
to55ft-lb)
85to105N·m(63
to77ft-lb)
7/16-20UNF35to43N·m(26
to32ft-lb)
35to43N·m(26
to32ft-lb)
66to83N·m(49
to61ft-lb)
94to115N·m(69
to85ft-lb)
1/2-13UNC37to45N·m(27
to33ft-lb)
56to74N·m(41
to55ft-lb)
90to112N·m(67
to83ft-lb)
127to157N·m(94
to116ft-lb)
1/2-20UNF38to46N·m(28
to34ft-lb)
62to81N·m(46
to60ft-lb)
100to125N·m(74
to92ft-lb)
146to178N·m(108
to132ft-lb)
5/8-11UNC75to102N·m(55
to75ft-lb)
103to135N·m(76
to100ft-lb)
185to225N·m(135
to165ft-lb)
390to450N·m(289
to331ft-lb)
5/8-18UNF90to115N·m(65
to85ft-lb)
110to150N·m(80
to110ft-lb)
205to255N·m(152
to188ft-lb)
295to355N·m(216
to264ft-lb)
3/4-10UNC110to142N·m(81
to105ft-lb)
165to220N·m(120
to160ft-lb)
325to395N·m(238
to292ft-lb)
460to560N·m(337
to413ft-lb)
3/4-16UNF135to175N·m(100
to130ft-lb)
190to285N·m(140
to210ft-lb)
365to450N·m(270
to330ft-lb)
510to630N·m(377
to463ft-lb)
7/8-9UNC165to215N·m(120
to160ft-lb)
275to340N·m(200
to250ft-lb)
525to645N·m(385
to475ft-lb)
735to895N·m(540
to660ft-lb)
7/8-14UNF175to245N·m(130
to180ft-lb)
315to395N·m(230
to290ft-lb)
580to710N·m(427
to523ft-lb)
815to990N·m(600
to730ft-lb)
Note:Reducethetorquevalueslistedinthetableaboveby25%forlubricatedfasteners.Lubricated
fastenersaredenedasthreadscoatedwithalubricant,suchasengineoil,orathreadlocking
compoundsuchasLoctite.
SpecicationsandMaintenance:TorqueSpecications
Page2–8
SandPro
®
3040and5040
20251SLRevA