Transfer Screws Set, #4 NF - TSS-918
T use, insert into holes to be transfered and tighten with a wrench. Next, invert the screw and apply onton the new material and strike a sharp blow. The drill center will penetrate the new material to a depth of .010 to .015". Screws are case-hardened steel and have a uniform shoulder height regardless of diameter.
See all Transfer Screws and Sets
#4 NF Set -- (1/2-20, 5/8-18, 3/4-16)