1/2" x 4" Zinc-Plated Carriage Bolts (25-Pack)

Heavy-duty Hillman carriage bolts made from steel with a corrosion-resistant zinc-plated finish. Ideal for fastening wood to wood or metal with a smooth round head and square neck for self-locking installation.

Key Features:

• Corrosion Resistance: Zinc-plated steel provides moderate rust protection for indoor and sheltered outdoor use
• Self-Locking Design: Square neck under round head prevents spinning and reduces need for a driving tool
• Clean Finish: Low-profile round head delivers a semi-flush, washer-less appearance
• Reliable Strength: Grade 2 steel construction suitable for general structural and woodworking applications
• Convenient Value Pack: Includes 25 bolts sized 1/2"-13 x 4" for project efficiency

Specifications Table:

Frequently Asked Questions (FAQ):

Q: What nuts and washers fit these bolts?
A: Use 1/2"-13 coarse-thread nuts; flat or split lock washers in 1/2" size are compatible if desired.

Q: Are these suitable for outdoor use?
A: The zinc plating offers moderate corrosion resistance; for harsh outdoor environments, consider galvanized or stainless alternatives.

Q: Do I need a special tool to install?
A: No driving tool is required for the head; the square neck grips the wood. Tighten using a 1/2"-13 nut with a wrench.

Q: What materials can I fasten?
A: Designed primarily for wood-to-wood or wood-to-metal connections.

Q: Are nuts included in the pack?
A: Nuts and washers are not included; this pack contains 25 carriage bolts only.

A Polished, Workhorse Fastener for Clean, Crafted Details

The smooth, rounded head of this zinc-plated carriage bolt brings a refined, utilitarian elegance to wood assemblies. Its square-neck profile nests into timber for a crisp, flush look—functional yet beautifully minimal. Pair with silvery hardware and pale woods to elevate benches, gates, and bespoke storage. A foundational detail that makes everyday builds feel impeccably finished and luxuriously considered.

AI Review Summary:

Across retail sites, buyers report solid value and reliable performance for general woodworking projects, noting the square neck prevents spin and the finish looks clean. Positive themes include consistent threading and accurate sizing; one review highlights using them for gate and deck builds with no issues. Neutral comments mention the zinc plating being best for indoor or sheltered use. A minority of feedback cites occasional surface blemishes or the need to source matching nuts separately. Representative quotes: “Good quality bolts for the price,” “Threads were clean and fit 1/2-13 nuts perfectly,” and “Finish is fine for indoor; I’d use galvanized outside.”

Secure your next project with these durable, zinc-plated Hillman carriage bolts—add the 25-pack to your cart today.