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Boltmaster

Boltmaster 3/8 in.-16 Steel Coupling Nut, Zinc-Plated, 1.75 in. Length (1-Pack)

Boltmaster 3/8 in.-16 Steel Coupling Nut, Zinc-Plated, 1.75 in. Length (1-Pack)

Regular price $2.59 USD
Regular price Sale price $2.59 USD
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3/8 in.-16 Zinc-Plated Steel Coupling Nut

Heavy-duty Boltmaster coupling nut designed to join two lengths of 3/8 in.-16 threaded rod or bolts. Made of durable steel with a corrosion-resistant zinc-plated finish for reliable performance in construction, repair, and DIY applications.


Key Features:

  • Durable Steel Construction: Built to withstand high torque connections and repeated use
  • Zinc-Plated Finish: Provides corrosion resistance for indoor and sheltered outdoor installations
  • 3/8 in.-16 Coarse Threads: Compatible with standard 3/8 in. threaded rod and bolts
  • Extended 1.75 in. Length: Offers increased thread engagement for secure coupling
  • Single-Pack Convenience: Ideal for small projects and repairs

Specifications Table:

Specification Details
Brand Boltmaster
Product Type Coupling Nut
Call Out Size 3/8 in.-16
Thread Type Coarse
Material Steel
Finish Zinc-Plated
Length 1.75 in.
Inside Diameter 3/8 in.
Nut Diameter 3/8 in.
Number in Package 1 pk
Packaging Type Boxed

Frequently Asked Questions (FAQ):

Q: What size threads does this coupling nut fit?
A: It is designed for 3/8 in.-16 coarse-thread rods or bolts.


Q: What is the overall length?
A: The coupling nut length is 1.75 inches.


Q: What material is it made from?
A: Steel with a protective zinc-plated finish.


Q: Is this suitable for outdoor use?
A: The zinc plating provides basic corrosion resistance; for harsh outdoor or marine environments, consider stainless steel or hot-dip galvanized alternatives.


Q: How is it typically used?
A: Commonly used to join two lengths of threaded rod or extend bolt length in framing, HVAC, electrical, and general repair projects.


Sleek Hardware, Solid Connections

This zinc-kissed coupling nut brings an industrial polish to the everyday—clean, geometric, and quietly strong. Its elongated hex silhouette offers a refined detail while delivering confident performance. Style it with exposed threaded rod for open-shelf brackets or custom lighting to channel modern workshop chic. A small yet mighty essential for luxe, utilitarian design.


Add this Boltmaster coupling nut to your cart for a secure, corrosion-resistant connection on your next project.

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