#12 Heavy Duty Drill Bit - Stubby Length

5/8-11 x 1 1/2 Grade 5 Hex Cap Screw Plain Domestic USA (25)

3/8 x 18 High Speed Aircraft Bit

1/2-13 x 1 1/2 L9 Hex Cap Screw Yellow Zinc Plated Domestic USA (50)

9/16-12 x 3 1/4 Socket Cap Screw Alloy

1/2-13 x 3/4 Grade 5 Hex Cap Screw Zinc Plated Domestic USA (475) 3/4-16 Grade 5 Hex Cap Screws Zinc Plated #12 Heavy Duty Drill Bit1 2 13 x 3 4 Grade 5 Hex Cap Screw Zinc Plated Domestic USA (475) . 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