Hillman Zinc-Plated 1/4" x 3-1/2" Carriage Bolts (100-Pack)

Durable zinc-plated steel carriage bolts for secure fastening in wood, metal, and DIY projects. The round head and square neck design resists turning during installation, while the corrosion-resistant finish ensures long-lasting performance.

Key Features:

• Corrosion Resistance: Zinc-plated steel finish helps prevent rust for indoor/outdoor use.
• Secure Grip: Square neck locks into material to stop bolt from spinning during tightening.
• Reliable Strength: Grade 2 steel suitable for general-purpose fastening.
• Precision Threads: 1/4"-20 coarse thread for smooth assembly with compatible nuts.
• Bulk Value Pack: Convenient 100-count for jobsites and high-volume projects.

Specifications Table:

Frequently Asked Questions (FAQ):

Q: What thread size do these bolts use?
A: They are 1/4"-20 coarse thread, compatible with 1/4"-20 nuts and washers.

Q: Are these suitable for outdoor applications?
A: Yes, the zinc-plated finish provides corrosion resistance; for harsh marine environments, consider stainless steel.

Q: Do they include nuts or washers?
A: No, this pack includes bolts only; nuts and washers are sold separately.

Q: What tools are needed for installation?
A: Install by inserting the square neck into a pre-drilled hole and tightening a nut with a wrench; the round head requires no screwdriver.

Q: What material are the bolts?
A: They are made from Grade 2 zinc-plated steel.

Crisp Hardware, Clean Lines

With a polished zinc sheen, these carriage bolts bring a tailored, industrial elegance to custom furnishings and architectural details. The smooth domed head feels refined, while the square neck anchors with confidence—form meeting function. Use them to accent reclaimed wood benches or modern shelving for a subtle glint and structure. An essential touch for elevated, enduring craft.

Equip your next build with reliable, corrosion-resistant fastening—add this 100-pack of Hillman carriage bolts to your cart today.