Description
Upgrade your fastening projects with our Flange Bolts Serrated Hex Washer Case Hardened Zinc 5/16-18 x 3/8. These bolts combine a built-in flange for even load distribution with a serrated hex washer under the head to resist loosening, all finished in durable zinc for corrosion resistance.
Key features
- Thread size: 5/16-18 (UNF/UNC standard)
- Length: 3/8 inch
- Finish: Zinc-plated for corrosion resistance
- Material: Case-hardened steel for added strength
- Head style: Flange head with serrated washer for secure seating
Ideal for a range of applications where a strong, secure bolt with a built-in flange is needed. The combination of a flange head, serrated washer, and case-hardened zinc finish provides reliable performance in environments with vibration and exposure to the elements.
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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