8 x 2 1/2 Phillips Bugle Hi-Low Drywall Screws Phosphate Coated - Carton (2500)

7/8-9 x 5 1/2 Grade 5 Hex Cap Screw Plain Domestic USA (35)

#21 Heavy Duty Jobber Drill Bit

The nylon shell acts as an insulator when used in electrical applications

3/4-16 x 4 1/2 Grade 5 Hex Cap Screw Plain Domestic USA (55)

3/8-16 x 2 1/4 Grade 5 Hex Cap Screw Zinc Plated Domestic USA (450) Cap Nuts Nickel Plated 8 x 2 1/2 Phillips3 8 16 x 2 1 4 Grade 5 Hex Cap Screw Zinc Plated Domestic USA (450) . 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