Discover dependable wood-to-wood connections with the Hillman 1/4 in. x 3-1/2 in. Stainless Steel Carriage Bolt, a 25-pack designed for exterior and heavy-duty applications where lasting corrosion resistance matters.
Why this carriage bolt stands out
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Stainless steel construction delivers superior corrosion resistance for outdoor decks, fences and furniture—so your fasteners stay strong year after year.
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1/4 in. diameter, 3-1/2 in. length provides ample strength for timber assemblies while remaining versatile enough for a range of projects.
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Coarse thread offers quick, secure bite in softwoods and many hardwoods, reducing installation time without sacrificing holding power.
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Domed, rounded head with a square undercut (the square neck) minimizes turning during installation, helping you get a snug fit with fewer tools.
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25 bolts per boxed package—a convenient supply for builders, hobbyists, and professional deck or fence projects.
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SAE measurements keep things simple for most residential and light-commercial projects.
Ideal uses and practical applications
- Decking and railing assemblies where a clean, low-profile head is preferred and the wood needs a dependable hold.
- Fence frames, gates, and outdoor structures that endure weather, moisture, and temperature fluctuations.
- Wood-to-wood connections for furniture, pergolas, sheds, or custom cabinetry where a strong, durable bolt is required.
- Replacing worn-out fasteners in existing timber projects to restore structural integrity with a corrosion-resistant option.
Installation tips for best results
- Pre-drill holes sized for a 1/4 in. bolt to prevent wood cracking and to ensure a clean drive.
- Insert the bolt and tighten against a nut on the opposite side; the square neck under the head helps prevent rotation during tightening.
- For outdoor or high-humidity environments, consider a compatible nut and washers to distribute load and protect wood surfaces.
Whether you’re building a new outdoor deck, reinforcing a fence line, or assembling sturdy outdoor furniture, the Hillman 1/4 in. x 3-1/2 in. Stainless Steel Carriage Bolt (25 pk) delivers reliable strength, lasting corrosion resistance, and user-friendly installation. Add these staples to your hardware kit and experience dependable performance on every project.
