Case 2050M - Fire and explosion prevention

INTRODUCTION
Grade8.8Bolts,NutsandStudsGrade10.9Bolts,NutsandStuds
DryDry
Size
Nm
lb/inlb/ft
Nm
lb/inlb/ft
M24690to780510to575955to1075705to790
M301375to15451010to11401900to21401400to1580
M362400to27001770to19903315to37302445to2750
Usetheabovetorqueswhenspecicationsarenotgiven.
Thesevaluesapplytofastenerswithbothcoarseandnethreadsasreceivedfromthesupplier,platedorunplated,
orwhenlubricatedwithengineoil.ThesevaluesdonotapplyifgraphiteorMolydisuldegreaseoroilisused.Use
ofaclicktypetorquewrench,orbetterisrequired.
Grade12.9Bolts,Nuts,andStuds
Usuallytorquevaluesspeciedtograde10.9fastenerscanbeusedsatisfactorilyongrade12.9fasteners.
•
Torquespecications-Steelhydraulicttings
37Degreearetting
Nom.SAEdash
size
TubeOD/HoseID
ThreadsizeNewton
metres
lb/inlb/ft
-2
5/16-24
8to972to84
-3
3/8-24
11to1296to108
-46.4mm
1/4inch7/16-20
14to16120to144
-5
7.9mm
5/16inch1/2-20
18to21156to192
-69.5mm
3/8inch9/16-18
27to33240to300
-812.7mm
1/2inch3/4-16
46-56408to504
-1015.9mm
5/8inch7/8-14
77to85684to756
-1219.0mm
3/4inch1-1/16-12
107to11979to88
-1422.2mm
7/8inch1-3/16-12
127to14094to103
-1625.4mm1.0inch
1-5/16-12
131to15697to117
-2031.8mm
1-1/4inch1-5/8-12
197to223145to165
-2438.1mm
1-1/2inch1-7/8-12
312to338230to250
StraightthreadwithO-ring
Nom.SAE
dashsize
TubeOD/HoseIDThreadSize
Newton
metres
lb/inlb/ft
-2
5/16-24
8to972to84
-3
3/8-24
11to1296to108
-46.4mm
1/4inch7/16-20
20to25180to228
-5
7.9mm
5/16inch1/2-20
27to33240to300
-69.5mm
3/8inch9/16-18
43to54384to480
-812.7mm
1/2inch3/4-16
73to90648to804
-1015.9mm
5/8inch7/8-14
100to12474to92
-1219.0mm
3/4inch1-1/16-12
138to173102to128
-1422.2mm
7/8inch1-3/16-12
173to216128to160
-1625.4mm1.0inch
1-5/16-12
203to253150to187
-2031.8mm
1-1/4inch1-5/8-12
308to357227to264
-2438.1mm
1-1/2inch1-7/8-12
492to542363to400
Splitangemountingbolts
Size
Newtonmetres
lb/inlb/ft
5/16-18
20to27180to240
3/8-16
27to34240to300
7/16-14
47to61420to540
1/2-13
74to8855to65
5/8-11
190to203140to150
7111454816/03/2015
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