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 5905-01-555-8077
NSN 5975-01-196-9567
NSN 6240-01-029-3701
NSN 6105-00-957-8237
NSN 6320-01-281-6028
NSN 5965-01-466-7829
NSN 5935-01-591-2845
NSN 6135-00-932-3136
NSN 5905-01-560-1793
NSN 5935-00-844-1641
NSN 5905-00-289-9898
NSN 5915-01-583-0228