Shoulder Bolt 3/8-5/16 x 2.3/4 BSW Black Gr.10.9 BS 2470

Shoulder Screw
Hexagon Socket Head
Black Imperial BSW
High Tensile Grade 10.9
Shank Dia: 3/8'
Thread Dia: 5/16'
TPI: 18
Length: 2.3/4'
BS 2470
Key Size: 3/16'
A socket head shoulder screw (also known as a shoulder bolt or stripper bolt) is a specialized fastener with an unthreaded, precision-ground cylindrical shoulder between the head and the threaded portion. This design allows the screw to function as a dowel pin, axle, or pivot point for moving parts.