5305-99-999-8891

Machine Screw

5305999998891 999998891 BS1981-TABLE 12 1/4 UNF X 1/2 910-159-0113 9101590113 191879 21741-142-409 11-454-5-8-1719 PF53041-316 PMZ0407 BS1981 41002017 SE604043 354822 78755 5305-815170 DEFSTAN53-46 JS21231

An externally threaded fastener whose threaded portion is of one nominal diameter, No 0 (0.060 in./1.5 mm) or larger, designed to be held or driven with either a wrench or an inserted driver or both (excluding internal socket or internal multiple spline types), in sizes below No. 10 (0.190 in./5 mm). No. 10 and larger sizes must have a head designed for any type inserted driver (excluding internal socket or internal multiple spline types), but may also be designed for external wrenching. A locking feature may be incorporated in the design of the head or threads. Excludes BOLT, CLEVIS; BOLT, EXTERNALLY RELIEVED BODY; SCREW, EXTERNALLY RELIEVED BODY; and SCREW, ASSEMBLED WASHER. See also, SCREW, INSTRUMENT; BOLT, MACHINE; BOLT, INTERNAL WRENCHING; and SCREW, CAP SOCKET HEAD. View more Machine Screw