BSW Thread Socket Capscrews Self Colour

British Standard Whitworth Also Known As BSW Thread 

Socket Capscrews To ASNI 1936/1960 Series BS2470 Grade: 36 - 44HRc Self Colour Finish

Range From 3/16" - 1"

Thread Per Inch Index Below

3/16" - 24 TPI, 1/4" - 20 TPI, 5/16" - 18 TPI, 3/8" - 16 TPI, 7/16" - 14 TPI

1/2" - 12 TPI, 5/8" 11 TPI, 3/4" - 10 TPI, 1" - 8 TPI