Built Like A Tank 5/16X3 Inch Carriage Bolts Square Neck Stainless Steel With Hex Nuts Flat Washers Spring Lock Washers Rust Proof Screw Assortment Kit For Marine Auto And Garage Builds
✔️ 5/16x3 SS carriage screws ship with matching nuts and lock washers
You get a solid pack of thirty-two fasteners ready to tackle tough repair jobs. These square neck carriage bolts grip tight inside wood or metal frames so they never spin while you tighten them. You will love using this set for boat trailer fixes, tractor attachments, or rebuilding patio furniture. The matching hex nuts and washers slide right on for quick assembly.
✅ Five sixteenths inch diameter runs three inches long for heavy timber✅ Domed heads sit flush against surfaces and block screw driver tools
✅ Four sided shanks anchor inside drilled slots to prevent spinning out
✅ Grade thirty four stainless base resists salt spray and daily grime
✅ Eight spring locks stretch during tightening to ban unwanted backing off
💡 Why choose square neck carriage fasteners for heavy duty marine rigging
These bolts stop spinning mid-job so you can actually finish the install.
- The square shank catches into drilled slots to block rotation during tightening
- Fine pitch threads draw two solid flanges together without any lateral play
- Recessed dome tops shield the metal surface from scraping and tool slips
- Salt resistant alloys block rust stains even on wet dock pilings