Five Sixteenth By Eighteen Fully Threaded Carriage Bolt Kit For Exterior Use With Hot Dipped Galvanized Finish Heavy Duty Outdoor Grade A307 Includes Fifty Flat Washers And Fifty Hex Nuts Coarse Thread And Self Locking Head Design
✔️ 50 bolts, 50 nuts, 50 washers; hot-dip galvanized finish
Fully threaded heavy-duty carriage bolts designed for exterior use, ideal for decks, fences, gates, and other outdoor structures. Bolt diameter is 5/16 in (7.94 mm) with 18 TPI coarse thread, ensuring strong wood-to-wood or wood-to-metal connections. Each kit includes 50 bolts, 50 nuts, and 50 USS flat washers for complete assembly.
✅ Coarse thread
✅ Self-locking head design
✅ Hot-dipped galvanized finish for corrosion resistance
✅ Commercial Grade A307 steel
✅ Fully threaded length
✅ Minimum tensile strength: 60,000 PSI
✅ Coating thickness minimum 0.0017” (43 μm)
✅ Includes 50 bolts, 50 nuts and 50 USS flat washers
✅ RoHS compliant
💡 What is a common use for a carriage bolt in outdoor construction?
These handy fasteners are widely used to secure wood-to-wood and wood-to-metal joints where a smooth, finished exterior is desired and one-sided tightening is convenient.
- deck construction and fence assembly- wood-to-wood connections that require a non-rotating fastener
- wood-to-metal joints for structural integrity
- long-term corrosion resistance in exposed environments