3/4-10 x 1 Hex Cap Screw SS 316 (A4)

Nylon insert locknuts are hex nuts with a nylon-filled collar

Maximum: 2

3 1/2-4 A563 Grade A Heavy Hex Nut Plain

2 1/2-8 A194 2H Heavy Hex Nut Plain 5/8-11 A307 Grade A Carriage Bolts Hot Dipped Galvanized 3/4-10 x 1 Hex Cap2 1 2 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.