CCYKXA 200pcs Countersunk Finishing Washers, 304 Stainless Steel Screw Cup

For use with countersunk wood screws and self-tapping screws. All washers will be packaged in a sturdy, clear plastic case, easy to store and transport. Package includes: 200 screw washers, 70 pieces #6 hole diameter 4 mm, outer diameter 11 mm, 50 pieces #8 hole diameter 5 mm, outer diameter 13 mm, 40 pieces #10 hole diameter 6 mm, outer diameter 15 mm, 40 pieces #12 hole diameter 6.5 mm, outer diameter 17 mm Made of 304 stainless steel, corrosion resistant, wide range of applications Prevents a nut, bolt, or screw from penetrating the material; these finishing washers are designed to accommodate the heads of a countersunk screw.