Screws > B.S Machine Screw Series

Thead Size 1/8" 5/32" 3/16" 1/4" 5/16" 3/8"
Length 1/4~2 1/4~3 1/4~4 3/8~4 3/8~4 3/8~4

Thead Size 1/8" 5/32" 3/16" 1/4" 5/16" 3/8"
Length 1/4~2 1/4~3 1/4~4 3/8~4 3/8~4 3/8~4