5/8-18 x 1 1/4 L9 Hex Cap Screw Yellow Zinc Plated Domestic USA (25)

1/2-13 x 3 L9 Hex Cap Screw Yellow Zinc Plated Domestic USA (200)

brick and plaster requires a pre-drilled hole using a 3/16” ANSI bit

5/16 x 18 High Speed Aircraft Bit

Exterior wood screws used for attaching wood to wood

1/4-28 x 3 1/2 Grade 5 Hex Cap Screw Plain Domestic USA (50) 5/8-11 Grade 8 Hex Cap Screws Yellow Zinc Plated 5/8-18 x 1 1/4 L91 4 28 x 3 1 2 Grade 5 Hex Cap Screw Plain Domestic USA (50). 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