Hex Head Cap Screw, Stainless Steel, M20 x 65, 25-PackSecure brackets and assemblies with the Hex Head Cap Screw. Made of stainless steel. The hex head accepts a wrench or socket for high clamp force and straightforward tightening. Threads engage smoothly to draw parts together and hold alignment. Use it for mounting hardware, framing, and equipment installs where strength matters. Built for reliable hold in everyday assembly work.