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5.0 out of 5 stars. 1 review
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Hillman 5/16 in.-18 TPI Grade 5 Serrated Whiz Lock Nuts, 3-Pack

Hillman 5/16 in.-18 TPI Grade 5 Serrated Whiz Lock Nuts, 3-Pack

Item # 328276699

Stocked & Ready
Hillman Hillman 5/16 in.-18 TPI Grade 5 Serrated Whiz Lock Nuts, 3-Pack
Hillman Hillman 5/16 in.-18 TPI Grade 5 Serrated Whiz Lock Nuts, 3-Pack
$1.99

Spend $49.99 to unlock free delivery!

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Hillman 5/16 in.-18 TPI Grade 5 Serrated Whiz Lock Nuts, 3-Pack

Item # 328276699

Stocked & Ready
Hillman Hillman 5/16 in.-18 TPI Grade 5 Serrated Whiz Lock Nuts, 3-Pack
Hillman Hillman 5/16 in.-18 TPI Grade 5 Serrated Whiz Lock Nuts, 3-Pack
$1.99

Spend $49.99 to unlock free delivery!

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Grassland (franklin) TN

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Grade 5 Whiz Lock Nuts, also known as serrated flange lock nuts, are ideal for applications in which a vibration or torque-resistant fastener is desired. Their unique design grips material for additional security. Sold in sets of 3.

  • VIBRATION-RESISTANT: Offers better resistance to loosening by vibration compared to hex nuts
  • SERRATED FLANGE: Unique design grips material for additional security
  • 5/16"-18 USS COARSE THREAD: Matches bolts or rods of a 5/16"-18 coarse thread size
  • STRONG, STURDY, RELIABLE: Made of high-quality steel

Q&As

1 - 1 of 1 Question

Q: what size wrench 1/2 or 9/16 or other?

5 years ago
1 Answer
  • A: You will need a 1/2-in wrench for this nut.
    5 years ago
    Helpful?

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1 out of 1 (100%) reviewers recommend this product

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    1 to 1 of 1 Review .
    1 – 1 of 1 Review
    Middlesex, NJ
    Review 1

    Right Part for the job

    6 years ago
    Needed a Flange Nut for my Craftsman Lawnmower. This was perfect for the front wheel. It has not fallen off since I installed it.

    Yes, I recommend this product.