00 x 80 Hex Cap Screw DIN 931 A2 (18-8) Stainless Steel - DIN 931 A2 Hex Cap Screws are manufactured from A2-70 stainless steel per ISO 3506 part 1

9/16-12 L9 Hex Collar Locknuts Cadmium Yellow & Wax Coated Domestic USA (800)

#9 Heavy Duty Drill Bit - Stubby Length

You can buy as many zinc-plated mushroom Spike® fasteners as you need

5/16-18 x 4 Grade 5 Hex Cap Screw Plain Domestic USA (50)

5/16-24 x 2 1/4 Grade 5 Hex Cap Screw Zinc Plated Domestic USA (700) 1-8 Flat Socket Cap Screws Alloy 00 x 80 Hex Cap5 16 24 x 2 1 4 Grade 5 Hex Cap Screw Zinc Plated Domestic USA (700) . Grade 5 Hex Cap Screws are manufactured in the USA from medium carbon steel. Our Grade 5 material meets or exceeds SAE J429 Grade 5 specifications. All products are manufactured with rolled threads. Typical hardness on diameters 1 4 to 1 inch is HRC 25 34. On diameters over 1 inch to 1 1 2 hardness will range from HRC 19 30. Tensile strength for diameters 1 4 to 1 inch is a minimum