Description
The 5/16″-18 x 2-1/2″ Carriage Bolt is a durable steel fastener designed for cargo trailer fabrication, repair, and general hardware applications.
The carriage-style head provides a smooth, finished appearance while the square neck helps prevent the bolt from turning during tightening. The bolt features a zinc-plated finish with a black powder coating, providing added corrosion resistance and a clean black appearance that works especially well with black trailer hardware and trim.
Specifications
- Size: 5/16″-18
- Length: 2-1/2″
- Fastener Type: Carriage Bolt
- Material: Steel
- Finish: Zinc Plated
- Coating: Black Powder Coat
- Color: Black
- Individual Weight: 0.05562 lb
- MPN: 31C250BCG0Z/BLK







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