17
MicroVission Retrot Instructions • 35391MVRF
Type Bolt
Head
Markings
Nominal Size Numbers or Inches
#10 1/4” 5/16” 3/8” 7/16” 1/2” 9/16” 5/8” 3/4” 7/8”
SAE GRADE 2
Coarse (UNC) - 5 10 18 29 44 63 87 155 150*
SAE GRADE 5
Coarse (UNC) - 10 19 33 54 78 114 154 257 387
SAE GRADE 5
Coarse (UNF) - - 18 - - - - - - -
SAE GRADE 8
Coarse (UNC) - 11 22 39 63 96 138 191 338 546
Socket Head
Cap Screw
(ASTM A574)
Coarse (UNC) 5 13 26 46 73 112 115 215 380 614
1) Torque values in this table are not to override other specific torque specifications when supplied.
2) When using loctite, torque values in this table are only accurate if bolts are tightened immediately after
Loctite is applied.
* The proof strength of Grade 2 bolts is less for sizes 7/8 and above and therefore the torque values are less
than smaller sizes of the same grade.
Table 1. Torque Specications (ft-lbs)
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