Hillman 3/8 in. x 1-1/4 in. Zinc-Plated Steel Carriage Bolt, 100-Pack

Regular price $36.99

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Zinc-Plated Steel Carriage Bolts, 3/8 in. x 1-1/4 in., 100-Pack

Durable Hillman carriage bolts with zinc-plated steel construction deliver reliable fastening for wood-to-wood or wood-to-metal projects. The round head and square neck provide a clean, semi-flush finish while preventing spin during installation. Ideal for general construction and DIY applications.


Key Features:

  • Corrosion-Resistant Finish: Zinc plating offers rust resistance and a consistent, clean look
  • Secure Anti-Spin Design: Square neck under the round head bites into wood to hold the bolt in place
  • Clean, Semi-Flush Finish: Low-profile round head eliminates the need for a washer in many applications
  • Heavy-Duty Steel: Grade 2 steel provides dependable strength for everyday fastening
  • Bulk Value Pack: 100 coarse-thread bolts for stocking the shop or completing larger projects

Specifications Table:

Specification Details
Finish Zinc Plated
Material Steel
Grade 2
Length 1-1/4 inch
Diameter 3/8 inch
Thread Type Coarse
Unit of Measurement SAE
Number in Package 100 pack
Packaging Type Boxed

Frequently Asked Questions (FAQ):

Q: What materials are these bolts suitable for?
A: Designed to fasten a wooden face to either a wood or metal frame.


Q: Are the threads coarse or fine?
A: These are coarse-thread carriage bolts.


Q: Will the zinc plating resist outdoor conditions?
A: Zinc plating provides rust resistance but may not be suitable for all exterior projects.


Q: Do I need a special tool to hold the bolt while tightening?
A: No— the square underside of the head is self-locking in wood to prevent spinning.


Q: What is included in the package?
A: A boxed 100-pack of 3/8 in. diameter x 1-1/4 in. length zinc-plated steel carriage bolts.


Crisp, Industrial Hardware with a Polished Edge

These zinc-plated carriage bolts bring a refined, utilitarian charm to custom millwork and exposed joinery. The domed head reads sleek and tailored, while the square neck anchors the piece with confident precision. Style them in reclaimed wood builds or modern garden structures where the metal’s shimmer becomes part of the design narrative. A simple, elevated essential for projects that celebrate craftsmanship and clean lines.


Upgrade your builds with this 100-pack of zinc-plated Hillman carriage bolts—secure, stylish hardware ready for your next project.

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