5/16-18 x 5 Inch Carriage Bolt Kit, 304 Stainless Steel (18-8) with Hex Nuts & Flat Washers - 6 Sets, Round Head Square Neck, Full Thread Coverage by Glvaner

About this item

• Ready to Use – Save Time & Effort: This complete 6-piece set includes 6 precisely matched 5/16-18 x 5" Carriage Bolts, 6 Hex Nuts, and 6 Flat Washers; No more separate purchases or surprise missing parts—get everything you need to start and finish your project efficiently
• Engineered from Grade A2-70 304 (18-8) Stainless Steel, these fasteners deliver significantly greater corrosion resistance and strength compared to zinc-plated or lower-grade alternatives. Designed to perform reliably in both indoor and demanding outdoor environments
• Precision Machining – For a Smooth, Flawless Fit: Every bolt is manufactured to meet ANSI B18.5 standards, ensuring consistent quality, precise threads, and accurate dimensions. This ensures smooth installation, prevents cross-threading, and delivers a secure, reliable fit in every application
• Full Thread Design & Locking Square Neck – Unmatched Strength & Easy Installation: Featuring Full Thread Coverage from neck to tip for maximum nut engagement and superior strength. Moreover, the integrated square neck is designed to bite securely into wood, preventing the bolt from spinning during nut tightening—saving you time and frustration. This robust combination ensures a vibration-resistant and permanently secure connection
• Versatile, Heavy-Duty Fastening Solution: Perfect for a wide range of critical applications. From securing deck boards to joists and reinforcing trailer beds and ramps, to building fences, pergolas, and outdoor furniture. Also ideal for agricultural equipment repair, workshop jigs, playground structures, and securing ledger boards to framing. Designed to provide a secure, permanent connection where strength and reliability matter most