U2 Fasteners Universal Screw #9 X 3 1/8in 100pk

A countersink fastener that allows the head to sit flush or below the surface of the surrounding materials. This ensures stability when other objects rest upon it. The countersink portion offers a good centering possibility. For use in decking. framing. sub-floors. fencing. lattice. shelving. railings. stairs. fine wood working. lateral bracing. concrete forms. etc. Tight star recess system grasps the U-Bit tightly and can be installed with one hand. Taper point which consists of the corkscrew start and blade cutting thread for easy piercing and alleviating strain on the material. Available in #6. #8. #9. #10 & #12. Lengths from 1/2 to 12. Hexavalent chromium (CR6+) free and complies with the strictest standard governing chemical substances. Available in case hardened carbon steel and 316 stainless steel.