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Boltmaster

Boltmaster 3/8 in.-16 Steel Coupling Nut, 2-Pack

Boltmaster 3/8 in.-16 Steel Coupling Nut, 2-Pack

Regular price $8.99 USD
Regular price Sale price $8.99 USD
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3/8 in.-16 Steel Coupling Nut (2-Pack)

Join threaded rod securely with Boltmaster’s 3/8 in.-16 steel coupling nuts. Zinc-plated for corrosion resistance, these hex couplers deliver strong, reliable connections for plumbing, electrical, and general construction applications.


Key Features:

  • Strong Steel Construction: Durable coupler provides secure end-to-end joins for threaded rod
  • Zinc-Plated Finish: Corrosion-resistant coating for indoor and outdoor use
  • 3/8 in.-16 Coarse Threads: National coarse, right-hand threading for compatibility with common rod
  • Hex Shape for Wrenching: Easy to tighten with standard hand tools
  • Convenient 2-Pack: Keep spares on hand for multi-point connections

Specifications Table:

Specification Details
Brand Name Boltmaster
Material Steel
Finish Zinc Plated
Inside Diameter 3/8 inch
Thread Type Coarse, right-hand
Call Out Size 3/8-16
Length 1.75 inch
Number in Package 2 pack
Packaging Type Carded

Frequently Asked Questions (FAQ):

Q: What threaded rod size is this compatible with?
A: Designed for 3/8 in.-16 coarse-thread rods.


Q: Is the finish suitable for damp environments?
A: Yes. The zinc plating adds corrosion resistance, though stainless steel may be preferable for highly corrosive settings.


Q: How is it installed?
A: Thread the rod ends into each side of the coupling nut and tighten with a wrench on the hex body.


Q: What is the length of the coupling nut?
A: Approximately 1.75 inches.


Q: Who commonly uses these?
A: Plumbers, electricians, and contractors for joining Redi-Bolt threaded rods end-to-end.


Sleek, Industrial Connectivity

A minimalist hex silhouette meets utilitarian ease—this coupling nut brings crisp industrial polish to structural details. The zinc finish offers a clean, refined gleam while delivering dependable strength. Style exposed mechanical elements with confidence, pairing threaded rod and couplers to create custom shelving or fixtures. Consider it a small but essential accent in the language of modern, luxurious function.


Upgrade your hardware kit with these durable, zinc-plated couplers for fast, secure rod connections—add to cart now.

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