5/8-11 L9 Hex Nut Alloy Cadmium Yellow and Wax Coated Domestic USA (25)

our zinc-plated mushroom Spike® anchors included

pre-expanded anchor

Self-countersinking nibs under head insure seating of screw head flush with work surface

3/8-24 x 1 Grade 5 Hex Cap Screw Plain Domestic USA (900) Flat Washers 18-8 Stainless Steel 5/8-11 L9 Hex Nut Alloy3 8 24 x 1 Grade 5 Hex Cap Screw Plain Domestic USA (900). 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 of 120,000