1-3/8-6 Heavy Hex Nuts | Grade 2 Steel Zinc Plated (40 / Pkg.)

Engineered for heavy-duty fastening, our Heavy Hex Nuts Grade 2 Steel Zinc Plated 1-3/8-6 offer dependable strength, easy torque transfer, and corrosion resistance for construction, machinery, and equipment assemblies.

• Size and thread: 1-3/8" diameter with 6 threads per inch (1-3/8-6) for standard coarse-thread bolts.
• Material: Grade 2 steel for general purpose fasteners with reliable strength.
• Finish: Zinc plated to resist corrosion and provide a durable, bright finish.
• Design: Heavy hex nut geometry for increased torque transfer and easier wrenching in tight spaces, ideal for high-load applications.
• Applications: Construction, machinery, automotive, and equipment assemblies requiring robust, economical fasteners.

For best results, pair with the correct bolt size and apply appropriate torque. Not suitable for high-strength critical applications where Grade 5 or Grade 8 is required. Store in a dry place to extend service life.