#59 Heavy Duty Drill Bit - Stubby Length

Fasten wood

1/4-28 x 4 1/2 Grade 8 Hex Cap Screw Yellow Zinc Plated Domestic USA (50)

1/4 x 3 1/4 Phillips Flat Hi-Low Thread Concrete Screws Blue Ceramic Coated

5/16-24 x 4 Grade 5 Hex Cap Screw Plain Domestic USA (400) 1 1/2-12 Socket Cap Screws Alloy #59 Heavy Duty Drill Bit5 16 24 x 4 Grade 5 Hex Cap Screw Plain Domestic USA (400). 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