10-24 x 5/8 Phillips Flat 82 Undercut Machine Screw Black Zinc Plated (8

1/4-20 x 3/4 Grade 8 Hex Cap Screw Plain Domestic USA (100)

50 x 45 Socket Set Screw Cup Point DIN 916 Black Oxide Alloy

1/2-20 x 7 Socket Cap Screw Alloy

3-8 A194 2H Heavy Hex Nut Plain 9/16-12 Socket Set Screws Cup Point Alloy 10-24 x 5/8 Phillips Flat3 8 A194 2H Heavy Hex Nut Plain . A194 2H Heavy Hex Nuts are manufactured from 1045 steel to meet or exceed ASTM A194 Grade 2H. Hot Dip Galvanized material will meet or exceed ASTM A153 and or ASTM F2329. Galvanized nuts are over tapped per ASTM A563. Typical hardness is HRC 24 35 for diameters up to 1 1 2 inches, HRB 95 HRC 35 for diameters over 1 1 1 2 inches. Proof load strength is 175,000 psi.