7/8-9 x 11 L9 Hex Cap Screw Yellow Zinc Plated Domestic USA (10)

which means you can use them when you work in the same wall without them coming loose

1/2-20 x 6 Grade 8 Hex Cap Screw Plain Domestic USA (100)

15/16 x 12 High Speed Long Boy (1/2" Shank)

3/4-16 x 2 3/4 L9 Hex Cap Screw Yellow Zinc Plated Domestic USA (120)

1/2-13 x 4 Grade 5 Hex Cap Screw Plain Domestic USA (25) 5/16-24 L9 Hex Cap Screws Yellow Zinc Plated - Domestic USA 7/8-9 x 11 L9 Hex1 2 13 x 4 Grade 5 Hex Cap Screw Plain Domestic USA (25). 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