they provide superior corrosion resistance and strength

and is the only screw approved for that application

3/8-24 x 4 1/2 Grade 8 Hex Cap Screw Plain Domestic USA (50)

and give you the highest-quality results in even the toughest applications

130 per Bulk Keg for domestic (USA) use

1-7/8" 1" nACo Blue Coated Annular Cutter, ANC5-530-175 Square Pancake-Head Self Tapping Screw 410 Stainless Steel they provide superior corrosion resistancenACo Blue Coated Annular Cutters provides prolonged tool life compared to traditional HSS. Cuts difficult materials, including steel, cast iron, heated and stainless steels. m2 High Speed Steel. Cuts only necessary material for fast, efficient, quality hole making. 3 4" Weldon Shank fits most magnetic drill presses. Also called magnetic drills or mag drills. For use with magnetic drill press only. Do not use with a standard hand drill or drill press.