20 Piece Top Notch Carriage Bolt Kit With Hex Nuts And Flat Washers 5 16 by 1 1 2 304 Stainless Steel Black Coated Square Neck Fasteners For Kickass Projects And Weekend Warrior Builds

Heavy Gauge Stainless Steel Carriage Bolt Kit With Hardware
✔️ 5/16 18 Thread X 1 1/2 In Fasteners WnW A270 Coated Pkg

You get twenty complete hardware assemblies ready for tough weekend repairs. Your hands stay safe from sharp edges thanks to the smooth burr-free machining process. Mount these fasteners into wooden beams or steel frames for stable project foundations.

✅ 5/16-18 coarse threads with a 1 1/2 inch overall length (38mm) anchor joints deep into timber frames.
✅ 304 stainless construction topped with a black epoxy coat handles wet weather and blocks rust penetration.
✅ Square shank measures 0.71 inch across (18mm) and cuts into wood to stop rotation during torque application.
✅ Polished dome caps stand 0.17 inch tall (4.47mm) to create a low profile that clears moving parts.

💡 What makes square neck carriage bolts superior for heavy timber joinery projects?
They rely on a mechanical locking method that beats standard round-shank hardware.
- The jagged square base grips hardwood grain tight so the joint refuses to twist during load stress.
- You drop these into predrilled slots and feel zero wobble once the fastener sits flush.
- This handy setup pairs perfectly with coarse threads to pull boards together without stripping.
- Home builders trust this pattern for durable gate latches and deck rail mounting.

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