[400 BULK] Flange Bolts Serrated Hex Washer Case Hardened Zinc 5/16-18 X 3

Mutual ScrewSKU: 3148MWWKC

Price:
Sale price$154.23per 400( $0.39 each)
Pieces 400
Measurement type Inch
Thread size 5/16-18
Diameter 5/16
Length 3
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

Experience strong, reliable fastening with our Flange Bolts Serrated Hex Washer Case Hardened Zinc 5/16-18 x 3. Built for durability, these bolts pair a hex head with an integrated flange and serrated washer surface to maximize grip and reduce loosening in demanding environments.

Key features

  • Thread size: 5/16-18
  • Length: 3 inches
  • Head style: Flange bolt with Serrated Hex Washer
  • Material: Case Hardened Steel
  • Finish: Zinc coating for corrosion resistance
  • Application: Suitable for automotive, industrial, and equipment assemblies where a flush mounting and secure fastening are required

With case hardened steel and a bright zinc finish, these bolts offer long-lasting strength and resistance against wear and corrosion in a variety of environments. Their serrated washer helps lock the fastener in place even under vibration, while the flange distributes clamping force to protect mating surfaces.

Choose these 5/16-18 x 3 Flange Bolts Serrated Hex Washer Zinc for dependable performance in your next project. Order now and secure fastenings that stay tight from initial install to long-term use.

Can We Help?

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

Recently viewed