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 5920-00-189-7497
NSN 2925-00-137-5120
NSN 6150-00-070-3571
NSN 4140-00-944-2557
NSN 5910-01-044-5886
NSN 7035-00-252-7467
NSN 5990-00-147-3144
NSN 6620-01-029-3705
NSN 5999-01-546-9114
NSN 5999-01-499-1281
NSN 2925-00-813-3971
NSN 6105-00-618-0153