APPENDIX B: SUGGESTED TORQUE LIMITS FOR STANDARD
HARDWARE
HARDWARE IDENTIFICATION
Standard Head Markings
NOTE: Torque value used should be for lowest grade of hardware used. If a grade 2 nut is used on a
grade 8 bolt, use grade 2 torque value.
NOTE: Toque values specified are for clean dry threads.
Hex Bolts
Other Bolts
Truss Head, grade 2
S.A.E. Grade 2
S.A.E. Grade 8
Appendixes
S.A.E. Grade 5
L'9
L'9
Carriage Bolt, grade 2
(unless marked as above)
Appendixes
Appendix B
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