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 5985-01-615-7258
NSN 6645-01-023-8020
NSN 5945-00-812-1168
NSN 6135-01-036-3495
NSN 5855-01-510-8235
NSN 5960-01-355-2968
NSN 6220-00-263-4893
NSN 5935-01-617-7970
NSN 6220-01-371-3430
NSN 7035-01-369-1445
NSN 5855-00-444-2298
NSN 6145-00-071-4937