Description
This is a screw pitch gauge for measuring the pitch of British Standard Whitworth (BSW) screws. It is made of hardened and tempered stainless steel for durability and has a 13-leaf design for catching the threads of the screw. The leaves are marked with the pitches of the screws, in inches, from 8 to 44 threads per inch. The gauge is silver in color and has a length of 4.7 inches (120 mm).
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