[1000 BULK] Flange Bolts Serrated Hex Washer 5/16-18 X 1 1/4
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[1000 BULK] Flange Bolts Serrated Hex Washer 5/16-18 X 1 1/4

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[1000 BULK] Flange Bolts Serrated Hex Washer 5/16-18 X 1 1/4

Mutual ScrewSKU: 3120MWW8ZKC
Price:
$550.70per 1000( $0.55 each)
Measurement type Inch
Thread size 5/16-18
Diameter 5/16
Length 1-1/4
Material Steel
Grade Grade 8
Finish Zinc Plated
Head style Serrated Hex Washer
Threads per inch 18
Thread style Fully Threaded
Weight 38.0 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

Flange Bolts Serrated Hex Washer 5/16-18 X 1 1/4 delivers secure, vibration-resistant fastening for metal-to-metal assemblies. This flange bolt features a built-in serrated hex washer that distributes clamping force and resists loosening in demanding applications.

Designed for quick, reliable installation in automotive, machinery, and equipment projects, these bolts provide a robust bearing surface and a clean, flush appearance with the flange head.

Specifications

  • Thread size: 5/16-18
  • Length: 1 1/4 in
  • Head: Flange with serrated hex washer

Benefits

  • Flange head offers a larger bearing surface for even load distribution
  • Serrated washer helps prevent loosening under vibration
  • Built-in washer eliminates the need for separate components
  • Suitable for a range of metal-to-metal fastening applications

Applications

  • Automotive assemblies and chassis work
  • Machinery and equipment mounting
  • Frame construction and panel installations

Choose these Flange Bolts Serrated Hex Washer 5/16-18 x 1 1/4 for dependable performance where fast, secure fastening matters.

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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