Grub Screw 5/8 x 2.1/2 BSW Black Gr.10.9 BS 2470
Grub Screw
Hexagon Head
Black Imperial BSW
High Tensile Grade 10.9
Dia: 5/8'
TPI: 11
Length: 2.1/2'
BS 2470
Allen Key Size: 1/2'
A BSW (British Standard Whitworth) grub screw, also known as a socket set screw, is a headless, fully threaded imperial fastener used to secure components—such as gears, pulleys, or collars—onto a shaft.