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 5996-01-099-9801
NSN 7035-00-922-5700
NSN 5895-01-394-5343
NSN 5915-00-152-4016
NSN 5945-01-467-9886
NSN 6150-01-126-0022
NSN 5965-00-764-1841
NSN 6610-00-020-6738
NSN 6130-01-026-8381
NSN 5915-01-406-7689
NSN 5930-00-151-4787
NSN 6620-01-185-9134