3/8-16 Carriage Bolt Kit Fully Threaded 3-1/2 Inch Hot Dip Galvanized Exterior Use Commercial Grade A307 Includes 100 Sets USS Flat Washers and Hex Nuts for Rugged Outdoor Projects
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✔️ Fully threaded, hot-dip galvanized, exterior-ready bolts (9.525 mm)
Hot-dip galvanized carriage bolt kit designed for rugged exterior framing. Each kit includes 100 bolts, 100 nuts, and 100 USS flat washers, ideal for decks, fences, playgrounds, and outdoor structures. The self-locking head and square neck prevent spinning during tightening, while the thick zinc coating fights rust in moisture-heavy environments. Meets ASTM A307 Grade A and ASTM coating specs; RoHS compliant.
✅ Coarse 3/8-16 thread with fully threaded length (9.525 mm) for strong joints✅ Self-locking square-neck under domed head prevents spinning during tightening
✅ Hot-dip galvanized finish provides corrosion resistance per ASTM A153/A153M and coating specs
✅ Includes 100 bolts, 100 nuts, 100 USS flat washers for complete kits
✅ RoHS compliant; ASTM A307 Grade A steel with min 60,000 psi tensile strength
💡 What is a handy use for hot-dip galvanized carriage bolts in outdoor framing? In outdoor projects, these bolts are handy for secure wood-to-wood or wood-to-metal connections. - For decks, fences, gates, and playground frames - For secure wood-to-wood or wood-to-metal joints that resist wobble - For long-lasting outdoor performance in wet environments