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

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

Mutual ScrewSKU: 3136MWWKC
Price:
$239.32per 500( $0.48 each)
Pieces 500
Measurement type Inch
Thread size 5/16-18
Diameter 5/16
Length 2-1/4
Material Steel
Finish Zinc Plated
Head style Serrated Hex Washer
Threads per inch 18
Thread style Fully Threaded
Weight 27.0 lb

WARNING: This product can expose you to chemicals including lead and lead compounds, which are known to the State of California to cause cancer and birth defects or other reproductive harm. For more information go to https://www.P65Warnings.ca.gov.

Description

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.

Can We Help?

If you’re not sure that this product is right for you, give us a call!
800-222-0324

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