1/4-28 x 4 1/2 Grade 5 Hex Cap Screw Zinc Plated Domestic USA (50)

3/8-16 x 2 3/4 STRONG-BOLT® 2 Cracked and Uncracked Concrete Wedge Anchor 316 Stainless Steel(50)

2 1/2 F436 Flat Washer Plain

9/32 x 12 High Speed Aircraft Bit

1/2-13 x 1 3/4 Grade 5 Hex Cap Screw Plain Domestic USA (50)

1/4-20 x 2 1/2 Grade 5 Hex Cap Screw Zinc Plated Domestic USA (900) 5/8-11 Socket Cap Screws Zinc Plated 1/4-28 x 4 1/2 Grade1 4 20 x 2 1 2 Grade 5 Hex Cap Screw Zinc Plated Domestic USA (900) . 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