1-3/8-8 Heavy Hex Nuts | Grade 2H Steel | ASTM A194 (40 / Pkg.)

Heavy Hex Nuts Grade 2H Steel Plain ASTM A194 1-3/8-8 are high-strength fasteners designed for demanding industrial assemblies. With a robust Grade 2H steel body and a plain finish, these nuts provide reliable performance in high-torque, high-load applications when paired with compatible bolts.

Designed to meet ASTM A194 specifications, these heavy hex nuts offer the durability and compatibility required for machinery, construction, and equipment installations.

• Material: Grade 2H steel for strength and long service life
• Finish: Plain finish for straightforward installation and versatile pairing with other hardware
• Size and thread: 1-3/8-8, standard coarse thread for quick assembly
• Standard: Complies with ASTM A194 for high-strength nuts
• Configuration: Heavy hex nut geometry optimized to resist wrenching and provide even load distribution
• Applications: Ideal for industrial equipment, heavy machinery, construction, and other high-torque assemblies

Whether you're outfitting a new installation or replacing worn hardware, these heavy hex nuts deliver dependable performance, consistent torque retention, and compatibility with standard bolts and washers in your toolkit.