Bulk 3/8"-16 Carriage Bolts Coarse Stainless Steel 316 (A4)

Marine Grade, Corrosion-Resistant Fasteners for Secure and Reliable Connections

Enhance your marine, chemical, and outdoor projects with our premium 3/8"-16 Carriage Bolts, crafted from 316 (A4) stainless steel. Renowned for exceptional corrosion resistance and durability, these bolts are perfect for harsh environments where longevity and reliability are paramount.

Carriage bolts feature a smooth, domed head with a square neck beneath. This design allows the bolt to self-lock into a pre-drilled hole, preventing rotation as you tighten the nut from the opposite side. Ideal for wood-to-wood, wood-to-metal, and even some metal-to-metal applications, carriage bolts are commonly used in marine construction, chemical processing, decking, fencing, and projects requiring tamper-resistant connections.

Key Benefits of Our Stainless Steel Carriage Bolts

• Marine Grade Corrosion Resistance: 316 (A4) stainless steel offers superior protection against rust, pitting, and corrosion in saltwater, chemical, and outdoor environments.
• Self-Locking Square Neck: The square neck design ensures the bolt remains stationary as the nut is tightened, providing a secure and stable connection.
• Flush, Clean Appearance: The domed head sits flush with the surface, reducing snagging and offering a professional, polished look.
• Easy Installation: Simply tap the bolt into place and tighten the nut from the opposite side—no twisting of the bolt head required.
• Tamper-Resistant: The smooth head design allows removal only from the nut side, enhancing security and preventing unauthorized adjustments.

Why Choose Our Bulk Carriage Bolts?

• Bulk Discounts: Save significantly with volume pricing, ideal for contractors, marine professionals, and large-scale projects.
• Wholesale Availability: Perfect for B2B customers needing substantial quantities for ongoing projects.
• High-Quality Material: Made from premium 316 (A4) stainless steel for unmatched durability and corrosion resistance.
• Versatile Use: Suitable for marine construction, chemical processing equipment, decking, fencing, furniture assembly, and more.

Product Specifications

• Diameter: 3/8"
• Thread Pitch: 16 TPI (Coarse Thread)
• Length: Measured from under the head to the end of the shank
• Head Style: Domed (Round) Head with Square Neck
• Material: 316 (A4) Stainless Steel
• Standards Compliance: Conforms to standard carriage bolt dimensions (ASME B18.5 or equivalent)

Ideal Applications

• Marine Construction: Perfect for boats, docks, and other saltwater-exposed structures.
• Chemical Processing Equipment: Ideal for environments exposed to aggressive chemicals and corrosive agents.
• Outdoor Installations: Suitable for decking, fencing, playground equipment, and other exterior projects.
• Light Construction: Excellent for projects requiring secure, tamper-resistant fasteners.
• Furniture and Woodworking: Ensures stable, flush connections with a neat finish.

Complementary Products

• Matching Nuts: 3/8"-16 Stainless Steel 316 Hex Nuts - Available here
• Matching Washers: 3/8"-16 Stainless Steel 316 Flat Washers - Available here

Buy in Bulk and Build with Confidence

Trust our 3/8"-16 carriage bolts to provide secure, long-lasting connections in demanding environments. With bulk and wholesale pricing, Monster Bolts delivers top-quality marine grade fasteners to meet your project needs, backed by exceptional customer service.

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