these 6-Lobe Drive 305 stainless steel screws will provide up to 35% higher withdrawal resistance than traditional screws

This 1 1/4-7 x 4 3/4 A325 Type 1 Heavy Hex Bolt Plain Domestic (USA) is perfect for large-scale projects

1-8 x 4 Socket Cap Screw 18-8 (A2) Stainless Steel

3/8-16 L9 Hex Collar Locknuts Cadmium Yellow & Wax Coated Domestic USA (3000)

7/8" Carbide Tipped Hole Cutter, 1" Depth of Cut, CTH0875 3/4-10 Grade 5 Carriage Bolts Zinc Plated these 6-Lobe Drive 305 stainlessWorks 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.