it's designed to securely fasten structures together

1/4-28 x 2 1/2 Grade 5 Hex Cap Screw Zinc Plated Domestic USA (900)

easy bit changes

heavy-duty fix to most surfaces

8 x 2 Simpson Bugle-Head Self-Drilling Screw - Square Drive 410 SS - Carton (1000)

1-9/16" X 1" nACo Blue Coated Annular Cutter, ANC5-530-160 1/2-20 Hex Cap Screws 316 Stainless Steel it's designed to securely fastennACo 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.