Grade 2 Hex Bolts are manufactured from low carbon steel, typically 1015-1022.  Our Grade 2 bolting meets or exceeds SAE J429 Grade 2.  Material is manufactured with rolled threads.  Zinc plated material meets or exceeds ASTM F1941.  Typical hardness on diameters of 1/4 to 3/4 inch ranges from HRB 80-100 with diameters over 3/4 inch ranging from HRB 70-100.  Tensile strength on diameters of 1/4 to 3/4 inch up to 6 inches in length will meet or exceed 74,000 psi.  Diameters over 3/4 inch and longer than 6 inches will meet or exceed 60,000 psi.

A307 or Grade 2 Hex Tap Bolts are manufactured from low carbon steel. Our hex tap bolts meet our exceed ASTM A307 Grade A. All material is manufactured with rolled threads. Zinc plated material meets or exceeds ASTM F1941. Hot-Dip Galvanized material meets or exceeds ASTM A153. Typical hardness will range from HRB 69-100 and tensile strength will meet a minimum 60,000 psi.

Grade 2 Finished Hex Nuts are manufactured from low carbon steel, 1008-1010 for diameters up to 1 inch (cold-formed) and 1045 steel for diameters over 1 inch (hot-formed). Material is manufactured to meet or exceed ASTM A563 Grade A. Zinc plated material will meet or exceed ASTM F1941. Hot-Dip Galvanized material will meet or exceed ASTM A563. Hot-Dip Galvanized nuts are over tapped per ASTM A563. Hardness requirements of HRB 68 - HRC 32 are met or exceeded. Proof load strength of 90,000 psi minimum is met for plain or zinc plated material, 68,000 psi for Hot-Dip Galvanized material.