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 6645-01-341-5439
NSN 6130-00-832-2263
NSN 7035-01-413-6697
NSN 5960-00-959-7413
NSN 2925-01-467-1192
NSN 4140-01-122-0384
NSN 6645-01-298-4662
NSN 5985-01-539-4199
NSN 5895-01-448-6400
NSN 2925-00-185-1618
NSN 5965-01-138-1865
NSN 5925-00-299-8037