Special Features:

Specific material heat and corrosion resistant steel, a286 iron base super alloy; grip length 1.125 inches ; end chamfered 0.047 x 45 deg; r1 on pan head min 0.020 inches and max 0.30 inches ; ultimate tensile load 20000 pounds; ultimate double shear load 29400 pounds; ultimate tensile strength 130000 psi; head marking: basic part nbr and applicable dash nbr; material-c; mfr trade mark-location optional

Properties:

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.