Item is domestic grade 8 zii with hex head countersunk
An externally threaded fastener whose threaded portion is of one nominal diameter. The head has an internal socket or multiple spline for use with an inserted driver. A locking feature may be incorporated in the design of the head or threads. Excludes items with bevel (conical) heads. See bolt, internal wrenching. Excludes screw, shoulder; and screw, machine.
NSN 6105-00-569-9590
NSN 5905-01-390-7754
NSN 6620-01-134-7387
NSN 5945-00-689-1526
NSN 6645-01-287-9969
NSN 6320-01-160-8578
NSN 6610-01-086-1879
NSN 6150-01-135-0156
NSN 5920-01-431-9364
NSN 6145-01-019-3480
NSN 6620-01-281-6386
NSN 5855-01-267-2751