Grade 5 Hex Cap Screws are manufactured from medium carbon steel. Our Grade 5 material meets or exceeds SAE J429 Grade 5 specifications. All products are manufactured with rolled threads. Zinc plated material meets or exceeds ASTM F1941. 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 psi and for diameters over 1 inch to 1 1/2, 105,000 psi.

Grade 5 Hex Tap Bolts are made from AISI 1030-1541 or equivalent medium carbon steel. Commonly used to mount motors to machinery and are also popular in automotive and truck repair. Rockwell C25-C34. Proof load - 85,000 psi. Yield Strength - 92,000 psi. minimum. Tensile Strength - 120,000 psi. minimum.

Grade 5 Finished Hex Nuts are manufactured from medium carbon steel to meet or exceed SAE J429 Grade 5. Material is manufactured with rolled threads. Zinc plated material will meet or exceed ASTM F1941. Typical hardness is HRC 25-34 on diameters of 1/4 to 1 inch, HRC 19-30 on diameters of 1 to 1 1/2 inches. Tensile strength on diameters of 1/4 to 1 inch will meet a minimum of 120,000 psi and 105,000 psi on diameters of 1 to 1 1/2 inches.