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home > 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

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Hillman 5/16 in. x 1 in. Zinc-Plated Steel Carriage Bolts, 100-Pack5 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

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

Name: Hillman 5/16 in. x 1 in. Zinc-Plated Steel Carriage Bolts, 100-Pack
Brand: www.paixalia.com
SKU: 94772137997
Price: 22.99 USD
Availability: InStock
Rating: 4.5022 (1372 reviews)

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.