Rockwell c scale 58 min hardness head only
An externally threaded fastener designed for insertion through holes in assembled parts and normally intended to be tightened or released by torquing a nut. the threaded and unthreaded portions are both of one nominal diameter of 0.190 inch (5 mm) or larger. The head is not designed to be held or driven with an inserted driver or by the thumb and fingers. a locking feature may be incorporated in the design of the head or threads. head dimensions and sizes of threaded and unthreaded portions shall conform to internationally recognized fastener standards. for items having a grip length portion machined to a tolerance of 0.0015 inch (0.038 mm) or less, bolt, shear. See also screw, cap, hexagon head and screw, machine.
Classification: Bolts and bolts and their nuts or washers exported in the same shipment
NSN 6220-00-483-1979
NSN 5965-01-479-5307
NSN 5905-01-408-6226
NSN 5855-00-688-9954
NSN 5999-01-367-5481
NSN 6145-00-661-0192
NSN 6130-01-041-4615
NSN 6110-00-118-1260
NSN 5999-00-553-0494
NSN 6610-01-184-3016
NSN 5935-01-261-6108
NSN 6220-00-130-6215