IMSCREWS 1/2"-13 x 5-1/2" Heavy-Duty 304 Stainless Steel Carriage Bolts

Structural Support for Thick Timber Framing
The IMSCREWS 1/2" x 5-1/2" carriage bolt is designed for projects requiring deep penetration and stable structural support. With a robust 1/2-inch diameter and 5.5-inch length, these bolts are well-suited for high-load joints, such as joining triple-layered 2x lumber (4.5" total) or reinforcing deck beams. Built for heavy framing, they offer the stability necessary for long-term use in docks, retaining walls, and industrial garden structures.

Highly Durable and Safety-Focused Design
Forged from 18-8 (304) stainless steel, these fasteners offer high resistance to corrosion in outdoor environments and are compatible with pressure-treated lumber. The smooth round head provides a clean finish that reduces snagging hazards, making them an ideal choice for high-traffic areas like benches and play sets. The integrated square neck prevents rotation, allowing for easy, one-sided installation.

Specifications:
- Thread: 1/2"-13 Coarse; Length: 5-1/2"
- Material: 304 (18-8) Stainless Steel; Full Thread

FAQ:
Q: Drill bit size? A: A 1/2" bit provides a snug, structural fit.
Q: Salt air safe? A: Yes, 304 SS offers high resistance to coastal corrosion.
Q: Prevent seizing? A: Applying anti-seize lubricant to threads is recommended.

Pro-Tips:
1. Ensure the pilot hole is perpendicular to avoid alignment issues across timber layers.
2. Pair with a heavy-duty flat washer on the nut side to protect wood fibers.

Key Features

• PREMIUM 304 STAINLESS STEEL Crafted from high-quality 18-8 304 stainless steel, these carriage bolts provide superior rust and corrosion resistance for long-term outdoor use, ensuring structural safety in humid and freshwater environments.
• EXTRA LONG FULL THREAD DESIGN The 5.5-inch length combined with a full thread design offers maximum versatility. It allows you to tighten the nut at any position along the shank, Well-suited for connecting timbers of various thicknesses without bottoming out.
• STRUCTURAL HEAVY DUTY GRADE With a 1/2 inch large diameter and precision square neck, these bolts provide massive shear strength for heavy-duty construction. The square neck seats firmly into pre-drilled holes to prevent spinning during installation.
• VERSATILE OUTDOOR APPLICATIONS Engineered for professional structural projects. Ideal for connecting heavy beams in gazebos, deck posts, dock railings, playground sets, and timber framing where extra reach and lasting reliability are essential.
• NOTE ON QUANTITY & ACCESSORIES Package includes 1 Piece of 1/2-13 x 5-1/2" carriage bolt. Nuts and washers are NOT included. Please purchase matching 1/2 inch stainless steel nuts separately to complete your structural assembly.

Specifications

• ASIN: B0F2F6QWPF
• Internal SKU: IMS0912
• Size: 1/2"-13 x 5-1/2"
• Material: Stainless Steel
• Finish: Stainless Steel
• Head Style: Round
• Package Quantity: 1