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

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

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

Item # 3282766

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Hillman Hillman 5/16 in.-18 TPI Grade 5 Serrated Whiz Lock Nuts, 3-Pack
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Hillman 5/16 in.-18 TPI Grade 5 Serrated Whiz Lock Nuts, 3-Pack
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Hillman 5/16 in.-18 x 3 in. Stainless Hex Cap Screws, 2-Pack
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Hillman 5/16 in.-18 x 3 in. Stainless Hex Cap Screws, 2-Pack

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Hillman SteelWorks 5/16 in.-18 x 6 ft. Coarse Threaded Rod, Zinc-Plated
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Hillman SteelWorks 5/16 in.-18 x 6 ft. Coarse Threaded Rod, Zinc-Plated

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Hillman 5/16 in. x 1-1/4 in. Zinc-Plated Fender Washers, 4-Pack
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Hillman 5/16 in.-18 TPI Grade 5 Serrated Whiz Lock Nuts, 3-Pack

Item # 3282766

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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

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

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Hillman 5/16 in.-18 x 3 in. Stainless Hex Cap Screws, 2-Pack
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Hillman 5/16 in.-18 x 3 in. Stainless Hex Cap Screws, 2-Pack

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Hillman SteelWorks 5/16 in.-18 x 6 ft. Coarse Threaded Rod, Zinc-Plated
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Hillman SteelWorks 5/16 in.-18 x 6 ft. Coarse Threaded Rod, Zinc-Plated

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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
BrandHillman
Country of OriginImported
Grade5
Inside Diameter5/16 in
Measurement StandardSAE
Nut Height0.28 in.
Nut Threads Per Inch18
Outside Diameter5/16 in
Package Quantity3
Primary MaterialSteel
Product Weight0.0414 lb.
Thread TypeCoarse
WarrantyN/A
Manufacturer Part Number880151

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

5 years ago
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  • A: You will need a 1/2-in wrench for this nut.
    5 years ago
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Q: what size wrench 1/2 or 9/16 or other?

5 years ago
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  • A: You will need a 1/2-in wrench for this nut.
    5 years ago
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Middlesex, NJ
Review 1
5 out of 5 stars.

Right Part for the job

5 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.

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