Material is manufactured with rolled threads

195 x 8 Simpson Strong-Drive® SDWH Timber-Hex Screw Double-Barrier Coated - Box (250)

8 x 1 5/8 Simpson Bugle-Head Wood Decking Screws - 6-Lobe Drive 305 SS - Bulk Pail (4000)

and the heavy hex head ensures secure installations

3/8-24 x 2 1/4 Grade 8 Hex Cap Screw Yellow Zinc Plated Domestic USA (450)

2-5/16" Carbide Tipped Hole Cutter, 1" Depth of Cut, CTH2312 Hanger Bolt Drivers Material is manufactured with rolledWorks 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.