[500 BULK] Flange Bolts Serrated Hex Washer Case Hardened Zinc 5/16-18 X 2 1/4 Budget

When you need a secure, high-strength fastener for metal-to-metal connections, the Flange Bolts Serrated Hex Washer Case Hardened Zinc 5/16-18 x 2 1/4 offers reliable performance. These bolts combine a broad flange for even load distribution with a serrated hex washer style that resists loosening under vibration.

Specifications

Size: 5/16-18 x 2 1/4 in

Finish: Zinc plated for corrosion resistance

Material: Case-hardened steel

Head type: Flange with serrated hex washer

Thread pitch: 18 TPI

Key Benefits

Case-hardened steel delivers enhanced strength and wear resistance for demanding applications.

Zinc plating provides corrosion resistance for long-lasting performance in various environments.

Serrated flange and washer bite into surfaces to reduce loosening and distribute load evenly.

Integral flange creates a larger bearing surface, helping to prevent pull-through in softer materials.

Hex drive ensures easy installation and reliable turning with standard tools.

Applications

Automotive assemblies and components requiring strong, vibration-resistant fasteners

Machinery, equipment, and metal fabrication projects

Construction and structural applications where a secure, high-strength bolt is needed

Choose these flange bolts for dependable performance in high-stress fastening tasks, where a combination of strength, load distribution, and corrosion resistance is essential. Add to cart and ensure a secure fit for your next project.