Fastener SuperStore will be closing at 5 pm Central on Friday, May 22nd. Orders placed after that time will be processed on Tuesday, May 26th. Have a great Memorial Day Weekend!

Square Drive Self-Drilling Screws

We offer Square Drive Self-Drilling Screws in diameters from #6 through #14 (as well as a 12-24 machine screw thread), in lengths of 3/8" through 4"; in 18-8 & 410 stainless steel. We also offer steel with zinc & black oxide finishes.