IMSCREWS 3/8"-16 x 2-1/2" Heavy-Duty 304 Stainless Steel Carriage Bolts (10 PCS)

Substantial Support for Structural Timber Connections
The IMSCREWS 3/8" x 2-1/2" carriage bolt is engineered for projects requiring reliable shear resistance and stable structural support. With a robust 3/8-inch diameter and a 2.5-inch length, these bolts are well-suited for high-load joints where stability is critical, such as joining multiple layers of dimensional lumber or reinforcing heavy-duty deck frames. Built for durability, they offer the stability necessary for long-term use in outdoor structures and industrial applications.

High Durability and Safety-Focused Design
Forged from 18-8 (304) stainless steel, these fasteners are highly resistant to corrosion in outdoor environments and are compatible with pressure-treated lumber. The smooth round head offers a clean appearance that reduces snagging hazards, making them an ideal choice for railings, play sets, and benches. The integrated square neck prevents rotation, allowing for easy, one-sided installation with a single wrench from the nut side.

Specifications:
- Thread: 3/8"-16 Coarse; Length: 2-1/2" (Under Head)
- Material: 304 (18-8) Stainless Steel; Full Thread

FAQ:
Q: Drill bit size? A: A 3/8" bit provides a snug, structural fit.
Q: Coastal safe? A: Yes, 304 SS offers high resistance to salt air corrosion.

Pro-Tips:
1. Ensure the square neck is fully seated in the pre-drilled hole for a secure, anti-spin installation.
2. Pair with a heavy-duty flat washer on the nut side to distribute structural load and protect wood fibers.

Key Features

• Self-Locking Square Neck: Features a precision-forged square neck beneath the head that bites into wood, preventing the bolt from spinning while the nut is tightened for a secure, one-sided install.
• Full Thread Maximum Grip: The fully threaded shank offers maximum grip and enhanced fastening power along the entire length, making it ideal for structural framing and heavy-duty DIY projects.
• 304 Marine Grade Stainless: Forged from premium 18-8 (304) Stainless Steel for superior corrosion defense. Essential for outdoor decks, docks, and ACQ pressure-treated lumber applications.
• Reliable Structural Strength: The 3/8 diameter provides professional-grade shear resistance for medium-to-heavy wood projects. At 2.5 long, these are Well-suited for securing brackets to standard lumber.
• Snag-Free Aesthetic Finish: The smooth, domed round head provides a professional, low-profile finish without sharp edges, ensuring safety and aesthetics for fencing, furniture, and playground equipment.

Specifications

• ASIN: B0F2F5LS2Z
• Internal SKU: IMS0850
• Size: 3/8"-16 x 2-1/2"
• Material: Stainless Steel
• Finish: Stainless Steel
• Head Style: Round
• Package Quantity: 10