"Heavy-Duty 304 Stainless Steel Carriage Bolts
When your structural project demands precision and strength, IMSCREWS 1/2-13 x 4-1/2 carriage bolts provide the ultimate solution. Engineered from high-grade 304 (18-8) stainless steel, these fasteners are built to withstand the elements, offering superior protection against rust and corrosion in outdoor, freshwater, and humid environments.

Versatile Full Thread Engineering
Unlike many 4.5-inch bolts that feature a smooth shank, our model is fully threaded. This unique attribute provides a maximum clamping range, making it the Designed for choice for securing beams of varying thicknesses or when the exact material depth is uncertain. The 1/2 diameter ensures the high shear strength required for deck posts, gazebos, and timber framing.

Product Specifications:
- Size: 1/2-13 x 4-1/2 (Full Thread)
- Material: 304 (18-8) Stainless Steel
- Head Style: Smooth Round Head with Square Neck
- Quantity: 1 Piece (Nuts and Washers NOT included)

Installation Pro-Tips:
1. Always pre-drill a 1/2 hole to ensure the square neck seats properly without splitting the wood.
2. For 4.5 long stainless bolts, we recommend using a manual wrench and applying a small amount of anti-seize lubricant to prevent thread galling.
3. These bolts are designed to stay locked in place once the square neck is seated, allowing for easy one-sided tightening.

Frequently Asked Questions :
Q: Is the bolt threaded all the way to the head?
A: Yes, this is a fully threaded carriage bolt, providing maximum adjustment for different project thicknesses.

Q: Does it come with the matching nut?
A: No, this package includes the bolt only. You will need a 1/2-13 hex nut to complete the installation."

Key Features

• PREMIUM 304 STAINLESS STEEL Crafted from high-quality 18-8 (304) stainless steel, these carriage bolts provide superior rust and corrosion resistance. Ideal for long-term outdoor use, ensuring structural safety in humid and freshwater environments.
• ADJUSTABLE FULL THREAD DESIGN The 4.5-inch length features a full thread design, offering maximum flexibility for securing materials of various thicknesses. Well-suited for through-bolting where standard partial threads might bottom 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 wood to prevent spinning during installation.
• IDEAL FOR PRECISION REPLACEMENT Well-suited for professional contractors and DIYers needing a single, high-quality replacement bolt for gazebos, deck posts, dock railings, and heavy outdoor furniture maintenance.
• SPECIFICATIONS & NOTE Includes 1 Piece of 1/2-13 x 4-1/2 carriage bolt. Nuts and washers are NOT included. We recommend using matching 1/2 stainless nuts and applying lubricant to prevent thread galling during installation.

Specifications

• ASIN: B0F2F5H1H1
• Internal SKU: IMS0906
• Size: 1/2"-13 x 4-1/2"
• Material: Stainless Steel
• Finish: Stainless Steel
• Head Style: Round
• Package Quantity: 1