Champion 10G x 1 2in Washer Face S Tap Set Screw Blk Zinc Smooth Ear RustSeal is highly surface tolerant Size:1 7 16in RustSeal is highly surface tolerant and capable of adhering to almost any prepared substrate High surface tolerance for many different types of applications Apply directly over treated rust Single component formula High solids content Widest array of (10) non porous color formulas Combines with atmospheric moisture to cure Excellent surface penetration and adhesion Forms permanent non porous barrier against moisture and oxygen Waterproof coating strengthened by repeated exposure to moisture Mold and mildew resistant High abrasion and chemical resistance Repels fuels provides you with the tools you need for precision work Self Tapping 8mm x 13mm