Self tapping
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.
NSN 6150-01-286-8708
NSN 6240-01-252-4219
NSN 5998-01-378-7271
NSN 5998-00-079-5068
NSN 6150-01-174-3522
NSN 6650-00-202-4540
NSN 6220-00-200-7888
NSN 5935-00-406-9172
NSN 4140-01-247-8701
NSN 6110-00-004-8883
NSN 5960-01-342-1961
NSN 6240-01-381-2275