Shoulder Bolt 5/16-1/4 x 1.1/2 BSW Black Gr.10.9 BS 2470

Shoulder Screw
Hexagon Socket Head
Black Imperial BSW
High Tensile Grade 10.9
Shank Dia: 5/16'
Thread Dia: 1/4'
TPI: 20
Length: 1.1/2'
BS 2470
Key Size: 5/32'
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.