Conquest 5/8″ x 3″ 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.

The Conquest 5/8″ Carriage Bolt made from premium 316 stainless steel is built for the most demanding environments. Its resistance to rust, chemicals, and saltwater exposure makes it the ideal fastener for marine, coastal, and industrial use.

5/8″ Conquest 316 Stainless Steel Carriage Bolt Marine-Grade Corrosion Resistance

With a smooth domed head and square neck, this bolt ensures clean aesthetics and secure grip during installation. Commonly used in structural, decorative, and heavy-duty applications where strength and corrosion resistance are essential.

Key Features

• Diameter: 5/8″
• Thread Type: Coarse
• Threads Per Inch (TPI): 11
• Material: 316 Stainless Steel for extreme corrosion protection
• Head Type: Round head with square neck to prevent spinning
• Finish: Natural stainless no additional coating required

Applications

• Boat docks, piers, and marinas
• Outdoor decks and fencing
• Pergolas, garden structures, and gazebos
• Trailer builds and heavy equipment
• Industrial sites with moisture or chemical exposure

Installation Tips

• Pre-drill material with clearance hole for square neck to seat properly.
• Insert bolt so neck locks in place to prevent rotation during tightening.
• Secure with a compatible 5/8″ 316 stainless steel nut and washer (sold separately).
• Tighten only from the nut side no need to hold the bolt head.

California Residents: WARNING