Description:

2a thread class, right-hand , 0.151 inches thread length, 0.250 inches fastener length, flat chamfer head style, 0.122 inches head diameter.

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.