[5 PKG] Heavy Hex Nuts Grade 2H Steel Plain ASTM A194 2 3/4-4

Heavy Hex Nuts Grade 2H Steel Plain ASTM A194 2 3/4-4 are engineered for secure, heavy-duty fastening on large-bolt applications. The plain, uncoated finish combined with ASTM A194 Grade 2H steel delivers reliable performance in demanding industrial environments where strength and structural integrity matter.

Designed for compatibility with standard coarse-thread bolts in size range 2-3/4″ to 4″, these nuts provide durable seating and a proven grip under load. Ideal for construction, manufacturing, and equipment assemblies requiring robust fasteners.

Key specifications

• Material: Grade 2H steel
• Finish: Plain (uncoated)
• Standard: ASTM A194
• Type: Heavy hex nut
• Size range: 2-3/4″ to 4″ (nominal)

Why choose heavy hex nuts Grade 2H

For demanding assemblies, these nuts offer reliable grip and fastening strength without the need for plating. The heavy hex profile provides ample wrenching surface for efficient tightening, supporting consistent torque and secure installations.

Applications

Suitable for heavy equipment, structural framing, machinery, and other industrial fastening tasks that require large-diameter nuts and high-strength performance.