Conquest 3/8″ x 5″ Carriage Bolt – 316 Stainless Steel

When pairing a nut with a hex bolt, the material and finish must match. If these do not match, the nut will not fit the bolt.

Engineered for strength and long-lasting corrosion protection, the 3/8″ Conquest 316 Stainless Steel Carriage Bolt is the go-to solution for professionals and demanding applications. Made from marine-grade 316 stainless steel, this bolt excels in saltwater, coastal, and chemically exposed environments.

3/8″ 316 Stainless Steel Carriage Bolts with Marine-Grade Durability

Its domed, smooth head and square neck prevent rotation during tightening, offering a clean, tamper-resistant finish. Perfect for structural or aesthetic applications alike, from decks to docks and fencing to framing.

Key Features

• Diameter: 3/8″
• Thread Type: Coarse
• Threads Per Inch (TPI): 16
• Material: 316 Stainless Steel for top-tier corrosion resistance
• Head Type: Round domed head with square neck for anti-spin installation
• Finish: Uncoated stainless for a polished, clean appearance

Applications

• Marine and dock building
• Outdoor framing, decking, and furniture
• Gazebos, fencing, boardwalks
• Trailer assembly and repair
• Corrosive and high-humidity industrial environments

Installation Tips

• Drill a clearance hole to allow square neck to seat properly.
• Insert bolt head first; ensure square neck locks in place.
• Secure with matching 316 stainless steel nut and washer (sold separately).
• Tighten from the nut sideno need to hold the bolt head.

California Residents: WARNING