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 5930-00-733-2698
NSN 5985-00-935-8653
NSN 5945-01-527-0936
NSN 4140-01-218-5919
NSN 7035-01-040-6373
NSN 5950-00-008-7066
NSN 7035-00-048-3723
NSN 6135-00-168-3876
NSN 5905-00-814-5850
NSN 5895-00-217-7015
NSN 5965-01-433-8086
NSN 6610-01-605-1509