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 5855-00-481-0019
NSN 6220-01-284-2709
NSN 5855-00-188-6747
NSN 5950-00-816-7862
NSN 5910-01-449-1359
NSN 6645-01-311-5481
NSN 4140-00-975-2210
NSN 5935-01-629-1043
NSN 6135-01-538-7272
NSN 6320-00-583-3104
NSN 6685-01-305-4472
NSN 5835-00-233-6327