[25 PKG] Heavy Hex Nuts Grade 2H Steel HDG ASTM A563 1 5/8-5 1/2

Heavy Hex Nuts Grade 2H steel with a durable hot-dip galvanized (HDG) finish, designed to stand up to demanding industrial, construction, and outdoor fastening applications. These nuts meet ASTM A563 specifications for reliable performance in high-torque, high-load assemblies.

Designed for sizes ranging from 1 5/8 in to 5 1/2 in, these heavy hex nuts deliver superior strength and secure threading when paired with compatible bolts. The 2H steel grade provides durability under heavy use, while the HDG coating offers excellent corrosion resistance in harsh environments.

• Material: Grade 2H steel
• Finish: Hot-dip galvanized (HDG) for corrosion resistance
• Standard: ASTM A563
• Size range: 1 5/8 in to 5 1/2 in
• Type: Heavy hex nut
• Applications: Industrial, construction, machinery, outdoor projects
• Benefits: High torque resistance, durable in harsh environments, easy to tighten with standard tools

Choose these heavy hex nuts for dependable performance where strength and corrosion resistance matter most. They are an ideal pairing for high-strength bolts and are suited for equipment, structural, and outdoor fastening projects.