accurate and tough drilling through all aggregates

Fastest drilling speeds

1/4-20 x 2 1/4 STRONG-BOLT® 2 Cracked and Uncracked Concrete Wedge Anchor 316 Stainless Steel(100)

7/8-14 x 2 3/4 Socket Cap Screw Alloy

1-8 x 3 1/2 A307A Hex Bolt Hot Dipped Galvanized

4-3/16" Carbide Tipped Hole Cutter, 1" Depth of Cut Simpson Square Trim-Head Wood Decking Screws 305 Stainless Steel accurate and tough drilling throughWorks like an annular cutter, except no magnetic drill needed! Carbide tipped hole cutters are good for cutting stainless steel, cast iron, iron, sheet metal and copper. It also works well with abrasive materials like high density resin and metal plates. Has auto ejecting slug and can cut over 300 holes in stainless steel plate. Comes with Pilot Drill and Hex Key.