"Heavy-Duty 304 Stainless Steel Carriage Bolts
Upgrade your construction projects with IMSCREWS professional-grade carriage bolts. Crafted from premium 304 18-8 stainless steel, these 1/2""-13 x 1-1/2"" bolts provide exceptional rust resistance and durability in freshwater and humid outdoor environments. Unlike zinc-plated alternatives, our stainless steel fasteners ensure long-term structural integrity without unsightly corrosion.

Precision Engineering for Secure Fastening
Designed with a smooth round head and a precision-fit square neck, these bolts lock securely into pre-drilled holes, preventing rotation during nut tightening. The 1/2"" diameter offers superior shear strength, while the full thread design ensures maximum clamping force for various material thicknesses. Ideal for heavy timber, deck framing, and metal-to-wood applications.

Product Specifications:
- Size: 1/2""-13 x 1-1/2"" (Full Thread)
- Material: 304 18-8 Stainless Steel
- Head Style: Round Mushroom Head
- Quantity: 2 Pieces (Nuts/Washers NOT included)

Common Questions :
Q: Are these suitable for marine use?
A: They are excellent for freshwater and outdoor rain exposure. For saltwater environments, 316 grade is recommended.
Q: Do I need a wrench for the head?
A: No, the square neck prevents the bolt from spinning once seated, allowing for easy one-sided installation."

Key Features

• 304 STAINLESS STEEL DURABILITY Crafted from premium 18-8 304 stainless steel, these carriage bolts offer superior rust and corrosion resistance compared to galvanized steel, making them ideal for freshwater and humid outdoor environments.
• HEAVY DUTY CONNECTION Featuring a 1/2 inch large diameter and deep 13 TPI coarse threads, our bolts provide massive shear strength and clamping force. Well-suited for securing heavy-duty timber, structural posts, and metal-to-wood framing.
• FULL THREAD VERSATILITY The 1-1/2" length is fully threaded, allowing for maximum adjustment and flexible installation. The square neck ensures the bolt stays locked in place while tightening the nut, preventing spinning during assembly.
• MULTIPURPOSE APPLICATION Designed for professional contractors and DIY enthusiasts alike. Ideal for deck construction, fence repair, garden gazebos, docks, and heavy outdoor furniture maintenance where long-lasting reliability is required.
• SPECIFICATIONS & NOTE Thread Size: 1/2"-13; Length: 1-1/2" (Measured from under head); Package: 2 Pcs. Please Note: Nuts and washers are NOT included. Recommended for use with matching 1/2" stainless hex nuts.

Specifications

• ASIN: B0F2F4FYX8
• Internal SKU: IMS0882
• Size: 1/2"-13 x 1-1/2"
• Material: Stainless Steel
• Finish: Stainless Steel
• Head Style: Round
• Package Quantity: 2