INTRODUCTION
1.Manufacturer'sIdentication
2.PropertyClass
3.ClockMarkingofPropertyClassandManufacturer'sIdentication(Optional),i.e.marks60°apartindicateClass
10properties,andmarks120°apartindicateClass8.
INCHNON-FLANGEDHARDWARE
NOMINAL
SIZE
SAEGRADE5BOLT
andNUT
SAEGRADE8BOLT
andNUT
LOCKNUT
GrBW/Gr5
BOLT
LOCKNUT
GrCW/Gr8
BOLT
UN-
PLATED
or
PLATED
SILVER
PLATED
W/ZnCr
GOLD
UN-
PLATED
orPLATED
SILVER
PLATED
W/ZnCr
GOLD
1/4
8N·m(71lb
in)
11N·m(97lb
in)
12N·m(106
lbin)
16N·m(142
lbin)
8.5N·m(75lbin)
12.2N·m(109lb
in)
5/16
17N·m(150
lbin)
23N·m(204
lbin)
24N·m(212
lbin)
32N·m(283
lbin)
17.5N·m(155lb
in)
25N·m(220lb
in)
3/8
30N·m(22lb
ft)
40N·m(30
lbft)
43N·m(31lb
ft)
57N·m(42lb
ft)
31N·m(23lbft)44N·m(33lbft)
7/16
48N·m(36lb
ft)
65N·m(48
lbft)
68N·m(50lb
ft)
91N·m(67lb
ft)
50N·m(37lbft)71N·m(53lbft)
1/2
74N·m(54lb
ft)
98N·m(73
lbft)
104N·m(77
lbft)
139N·m(103
lbft)
76N·m(56lbft)108N·m(80lbft)
9/16
107N·m(79
lbft)
142N·m(105
lbft)
150N·m(111
lbft)
201N·m(148
lbft)
111N·m(82lbft)
156N·m(115lb
ft)
5/8
147N·m(108
lbft)
196N·m(145
lbft)
208N·m(153
lbft)
277N·m(204
lbft)
153N·m(113lb
ft)
215N·m(159lb
ft)
3/4
261N·m(193
lbft)
348N·m(257
lbft)
369N·m(272
lbft)
491N·m(362
lbft)
271N·m(200lb
ft)
383N·m(282lb
ft)
7/8
420N·m(310
lbft)
561N·m(413
lbft)
594N·m(438
lbft)
791N·m(584
lbft)
437N·m(323lb
ft)
617N·m(455lb
ft)
1
630N·m(465
lbft)
841N·m(620
lbft)
890N·m(656
lbft)
1187N·m
(875lbft)
654N·m(483lb
ft)
924N·m(681lb
ft)
NOTE:ForImperialUnits,1/4inand5/16inhardwaretorquespecicationsareshowninpound-inches.3/8in
through1inhardwaretorquespecicationsareshowninpound-feet.
4752433118/04/2013
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