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 5935-00-900-9405
NSN 6650-01-491-4406
NSN 5925-01-337-1202
NSN 5975-01-554-1368
NSN 6220-01-432-2232
NSN 6105-01-543-3662
NSN 5975-01-458-8008
NSN 6610-00-275-8555
NSN 4140-01-325-2955
NSN 5855-01-151-5541
NSN 6130-01-186-3278
NSN 7035-01-026-0117