Hex Lag Screws are manufactured from low carbon steel to meet SAE J429 Grade 1

Phosphorous-0

7/16-14 x 1 1/2 Grade 5 Hex Cap Screw Plain Domestic USA (50)

5/8-11 x 8 1/2 Socket Cap Screw Alloy

7/16-14 x 2 Grade 5 Hex Cap Screw Plain Domestic USA (50) 3/4-10 Grade 8 Hex Cap Screws Yellow Zinc Plated Hex Lag Screws are manufactured7 16 14 x 2 Grade 5 Hex Cap Screw Plain Domestic USA (50). 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