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Hillman

Hillman 5/16 in. x 1 in. Zinc-Plated Steel Carriage Bolts, 100-Pack

Hillman 5/16 in. x 1 in. Zinc-Plated Steel Carriage Bolts, 100-Pack

Regular price $22.99 USD
Regular price Sale price $22.99 USD
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Quantity

5/16 in. x 1 in. Zinc-Plated Steel Carriage Bolts (100-Pack)

Heavy-duty Hillman carriage bolts secure wood-to-wood or wood-to-metal projects with a smooth, low-profile, round head. Zinc-plated Grade 2 steel offers dependable strength and corrosion resistance for indoor and light outdoor use.


Key Features:

  • Durable Construction: Grade 2 zinc-plated steel resists rust and delivers reliable holding power
  • Smooth, Low-Profile Head: Round head provides a clean, semi-flush finish without a washer
  • Anti-Spin Square Neck: Locks into wood to prevent turning during tightening
  • Coarse Thread SAE: Ensures strong grip and quick assembly in common building materials
  • Value Pack: 100 bolts per box for jobs, repairs, and shop inventory

Specifications Table:

Specification Details
Brand Hillman
Type Carriage Bolt
Diameter 5/16 inch
Length 1 inch
Material Steel
Finish Zinc Plated
Grade 2
Thread Type Coarse (SAE)
Head Style Round head with square neck
Number in Package 100 pack
Packaging Type Boxed

Frequently Asked Questions (FAQ):

Q: What size are these carriage bolts?
A: They are 5/16 inch diameter by 1 inch length with coarse SAE threads.


Q: Are nuts and washers included?
A: No, this pack includes bolts only; purchase compatible 5/16 in. nuts and washers separately if needed.


Q: Can these be used outdoors?
A: The zinc plating offers basic corrosion resistance suitable for indoor and light outdoor use; for harsh or coastal environments, consider hot-dipped galvanized or stainless steel.


Q: Do I need a tool to hold the head while tightening?
A: No; the square neck bites into the wood to prevent spinning while you tighten the nut from the threaded end.


Q: How many bolts are in the package?
A: 100 bolts per retail package.


A Clean, Flush Finish for Crafted Woodwork

The rounded head of this carriage bolt lends a polished, intentional detail to built-ins, benches, and garden structures. I love the seamless effect—no fussy washers, just a smooth dome anchoring the design. Pair it with oiled oak or painted pine for a modern, utilitarian edge that feels bespoke. It’s a small hardware choice that elevates everyday projects into refined, lasting pieces.


Secure your next build with dependable, clean-finished fasteners—add this 100-pack of Hillman carriage bolts to your cart now.

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