5/16-18 Carbon Steel Insert For Metal - 329-501 - Made In USA

5/16-18 carbon steel insert for metal, made in usa, 329-501 5/16-18 carbon steel insert for metal - 329-501 screw machined out of carbon steel for long lasting durability. provides standard size/pitch threads allowing installation with standard tools. thread repair insert for metal, 5/16-18 x 1/2-13 x 1.00". threading type is course. alloy is 12l14.