5/16-18X7/8 Hex Rod Coupling Nut Zinc, Pkg of 200

Tee Nuts feature internally threaded barrels and an integral round base with multiple perpendicular prongs that prevent the nut from rotating when bolts or screws are tightened. Fasteners are made of high quality steel for long lasting durability and strength. Zinc finish ensures added protection against wear.

Machine Screw Nuts feature durable steel construction for long lasting strength and reliability. Square nuts offer a greater bearing surface for wrenching. Hex nuts have flat tops with chamfered corners, and flat bottoms with or without chamfered corners. Fasteners are designed to be driven by wrench or pneumatic tools for ease of installation.

Coupling Nuts are used to extend the length of joined male threaded rods for added versatility. Threaded fasteners are made of high quality zinc plating for corrosion-resistance and long lasting durability.

3/8-16 Serrated Flange Hex Lock Nuts Grade 5 Zinc. Hex head screws are designed to be driven by a wrench or pneumatic tools.

Carbon Steel Rod Couplings, commonly called coupling nuts, are used to join two pieces of threaded rod, either vertically or horizontally for extended lengths. Special Features: Hexagonal Outer Shape, Zinc Plated Applications: Connects Or Extends Threaded Rod