Special Features:

Zfirst diameter from hd 0.250 in, length 0.850 porm 0.010; second diameter 0.190, grooved 0.031 porm 0.010r, length 0.095; third diameter 0.250, length 0.185 porm 0.010; fourth diameter 0.200 p0.005 m0.015, length 4.190; fifth diameter 0.190 p0.000 m0.005, length 0.200

Properties:

An externally threaded device whose threaded portion is of one nominal diameter with or without a head and having a cup, cone, or other type of machined point designed to prevent or restrict relative movement of parts and designed to be driven with either a wrench or inserted driver. A locking feature may be incorporated in the design of the head or threads.