Skip to main content
AmericanaPetLawn & GardenTruck & AutomotiveClothingPoultryHeating & CoolingHorseSporting GoodsOutdoor Power EquipmentFencing & GatesLivestockOutdoor LivingPet & Animal PharmacyToolsHome ImprovementFarm & RanchBoots & ShoesTrailers & TowingHome Decor & FurnitureWild Birds & WildlifeToysGift CardsServices Propane RefillTrailer RentalGarden CenterFeed CenterSame Day DeliveryPetVet ClinicPet WashGrooming at PetsenseDog Training at PetsenseTractor Supply RxPet InsuranceWag!

"Savings and Offers"

Weekly AdSaleClearance

"More Options"

Weekly AdWhat's NewTractor Supply AppEarn Rewards with Neighbor's ClubHometown HeroesLife Out Here BlogTSC Exclusive BrandsTop BrandsClearance ItemsBattery FinderOutdoor Power Equipment Parts FinderHitch Finder

Flash Sale, In-Store and Online now through Sunday

|
Shop Now
Order statusTSC Credit CardsWhat’s newPetsenseWeekly Ad
​

Sign In / Enroll

Get rewarded!


5.0
(3)
5.0 out of 5 stars. 3 reviews
A woman outside with a dog
A woman outside with a dog
  1. Home
  2. /
  3. Home Improvement
  4. /
  5. Hardware
  6. /
  7. Fasteners
  8. /
  9. Nuts
  10. /
  11. Stop Nuts
  12. /
  13. Hillman 7/16 in.-14 TPI Grade 5 Serrated Whiz Lock Nuts

  1. Home
  2. /
  3. /
  4. Stop Nuts

Hillman 7/16 in.-14 TPI Grade 5 Serrated Whiz Lock Nuts

Shop all Hillman
Hillman 7/16 in.-14 TPI Grade 5 Serrated Whiz Lock Nuts
5.03 Reviews

Item # 3282805

Image showing  7/16 in.-14 TPI Grade 5 Serrated Whiz Lock Nuts
Image showing  7/16 in.-14 TPI Grade 5 Serrated Whiz Lock Nuts
Image showing  7/16 in.-14 TPI Grade 5 Serrated Whiz Lock Nuts
Image showing  7/16 in.-14 TPI Grade 5 Serrated Whiz Lock Nuts
Image showing  7/16 in.-14 TPI Grade 5 Serrated Whiz Lock Nuts
Image showing  7/16 in.-14 TPI Grade 5 Serrated Whiz Lock Nuts

Neighbor's Club logo
Neighbor’s Club Members earn points with purchases.

Sign in or Join Now

Shop all Hillman
Hillman 7/16 in.-14 TPI Grade 5 Serrated Whiz Lock Nuts
5.03 Reviews

Item # 3282805

Image showing  7/16 in.-14 TPI Grade 5 Serrated Whiz Lock Nuts
Image showing  7/16 in.-14 TPI Grade 5 Serrated Whiz Lock Nuts
Image showing  7/16 in.-14 TPI Grade 5 Serrated Whiz Lock Nuts
Image showing  7/16 in.-14 TPI Grade 5 Serrated Whiz Lock Nuts
Image showing  7/16 in.-14 TPI Grade 5 Serrated Whiz Lock Nuts
Image showing  7/16 in.-14 TPI Grade 5 Serrated Whiz Lock Nuts
​

Neighbor's Club logo
Neighbor’s Club Members earn points with purchases.

Sign in or Join Now

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.

  • VIBRATION-RESISTANT: Offers better resistance to loosening by vibration compared to hex nuts
  • SERRATED FLANGE: Unique design grips material for additional security
  • 7/16"-14 USS COARSE THREAD: Matches bolts or rods of a 7/16"-14 coarse thread size
  • STRONG, STURDY, RELIABLE: Made of high-quality steel
BrandHillman
Country of OriginImported
Grade5
Inside Diameter7/16 in
Measurement StandardSAE
Nut Height0.39 in.
Nut Threads Per Inch14
Outside Diameter7/16 in
Package Quantity1
Primary MaterialSteel
Product Weight0.0362 lb.
Thread TypeCoarse
WarrantyN/A
Manufacturer Part Number880153
No questions have been asked about this product.

No questions have been asked about this product.

Similar Items

  1. Hillman 1/4 in.-20 TPI Grade 5 Serrated Whiz Lock Nuts, 3-Pack
    0.0 out of 5 stars with 0 reviews
    0.0 (0)

    Hillman 1/4 in.-20 TPI Grade 5 Serrated Whiz Lock Nuts, 3-Pack

    $1.79
  2. Hillman 1/2 in.-13 TPI Steel Grade 5 Serrated Whiz Lock Nuts
    0.0 out of 5 stars with 0 reviews
    0.0 (0)

    Hillman 1/2 in.-13 TPI Steel Grade 5 Serrated Whiz Lock Nuts

    $1.79
  3. Top Rated
    Hillman 5/16 in.-18 TPI Grade 5 Serrated Whiz Lock Nuts, 3-Pack
    5.0 out of 5 stars with 1 reviews
    5.0 (1)

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

    $1.79
  4. Top Rated
    Hillman 7/16 in.-14 TPI Nylon Insert Stop Nuts, 4-Pack
    4.8 out of 5 stars with 4 reviews
    4.8 (4)

    Hillman 7/16 in.-14 TPI Nylon Insert Stop Nuts, 4-Pack

    $2.99
  5. Hillman 5/8 in. 11 TPI Nylon Insert Lock Nuts
    0.0 out of 5 stars with 0 reviews
    0.0 (0)

    Hillman 5/8 in. 11 TPI Nylon Insert Lock Nuts

    $2.99
  6. Top Rated
    Hillman 1/4 in.-20 TPI Stainless Steel Stop Nuts, 5-Pack
    5.0 out of 5 stars with 2 reviews
    5.0 (2)

    Hillman 1/4 in.-20 TPI Stainless Steel Stop Nuts, 5-Pack

    $4.29
  7. Hillman 3/8 in.-16 TPI Keps Lock Nuts, 2-Pack
    0.0 out of 5 stars with 0 reviews
    0.0 (0)

    Hillman 3/8 in.-16 TPI Keps Lock Nuts, 2-Pack

    $1.09
  8. Hillman M14-2.00 Metric Nylon Insert Lock Nuts
    0.0 out of 5 stars with 0 reviews
    0.0 (0)

    Hillman M14-2.00 Metric Nylon Insert Lock Nuts

    $2.99
  9. Top Rated
    Hillman M12-1.75 Metric Nylon Insert Lock Nuts, 2-Pack
    5.0 out of 5 stars with 1 reviews
    5.0 (1)

    Hillman M12-1.75 Metric Nylon Insert Lock Nuts, 2-Pack

    $2.99
  10. Hillman #10-24 TPI Zinc Keps Lock Nuts, 4-Pack
    0.0 out of 5 stars with 0 reviews
    0.0 (0)

    Hillman #10-24 TPI Zinc Keps Lock Nuts, 4-Pack

    $1.09
  11. Hillman 1/4 in.-20 TPI Zinc Keps Lock Nuts, 2-Pack
    0.0 out of 5 stars with 0 reviews
    0.0 (0)

    Hillman 1/4 in.-20 TPI Zinc Keps Lock Nuts, 2-Pack

    $0.49
  12. Hillman #8-32 TPI Stainless Steel Stop Nuts, 5-Pack
    0.0 out of 5 stars with 0 reviews
    0.0 (0)

    Hillman #8-32 TPI Stainless Steel Stop Nuts, 5-Pack

    $2.99

Items You May Like

  1. Hillman 7/16 in.-14 TPI Grade 8 Flange Nuts, 2-Pack
    0.0 out of 5 stars with 0 reviews
    0.0 (0)

    Hillman 7/16 in.-14 TPI Grade 8 Flange Nuts, 2-Pack

    $5.29
  2. Top Rated
    Hillman M4-0.70 Zinc-Plated Metric Hex Nuts, 10 pk.
    5.0 out of 5 stars with 1 reviews
    5.0 (1)

    Hillman M4-0.70 Zinc-Plated Metric Hex Nuts, 10 pk.

    $1.99
  3. Top Rated
    Hillman 7/16 in.-14 x 1-1/2 in. Grade 5 Carriage Bolts, 2 ct.
    5.0 out of 5 stars with 1 reviews
    5.0 (1)

    Hillman 7/16 in.-14 x 1-1/2 in. Grade 5 Carriage Bolts, 2 ct.

    $4.29
  4. Top Rated
    Hillman 1/2 in. x 2 in. Zinc-Plated Wide Rim Fender Washers, 4-Pack
    5.0 out of 5 stars with 1 reviews
    5.0 (1)

    Hillman 1/2 in. x 2 in. Zinc-Plated Wide Rim Fender Washers, 4-Pack

    $4.49
  5. Top Rated
    Hillman 1/2 in.-13 x 2 in. Grade 5 Carriage Bolts, 2 ct.
    5.0 out of 5 stars with 1 reviews
    5.0 (1)

    Hillman 1/2 in.-13 x 2 in. Grade 5 Carriage Bolts, 2 ct.

    $4.49
  6. Top Rated
    Hillman M10-1.50 Zinc-Plated Class 10 Metric Flange Nuts, 4-Pack
    5.0 out of 5 stars with 1 reviews
    5.0 (1)

    Hillman M10-1.50 Zinc-Plated Class 10 Metric Flange Nuts, 4-Pack

    $3.79
  7. Top Rated
    Hillman 5/8 in. 18 TPI Steel Grade 8 Hex Nuts
    5.0 out of 5 stars with 3 reviews
    5.0 (3)

    Hillman 5/8 in. 18 TPI Steel Grade 8 Hex Nuts

    $2.99
  8. Hillman M14-2.00-14 TPI Zinc-Plated Class 10 Metric Flange Nuts
    0.0 out of 5 stars with 0 reviews
    0.0 (0)

    Hillman M14-2.00-14 TPI Zinc-Plated Class 10 Metric Flange Nuts

    $2.99
  9. Koch Industries Quick Link Wide Jaw Bcode 1/4
    0.0 out of 5 stars with 0 reviews
    0.0 (0)

    Koch Industries Quick Link Wide Jaw Bcode 1/4

    $6.99
  10. Top Rated
    Hillman 7/16 in.-14 TPI Wing Nuts
    5.0 out of 5 stars with 2 reviews
    5.0 (2)

    Hillman 7/16 in.-14 TPI Wing Nuts

    $2.29
  11. Grip-Rite 1 lb. Construction Screw 1-1/4 in. Gold
    0.0 out of 5 stars with 0 reviews
    0.0 (0)

    Grip-Rite 1 lb. Construction Screw 1-1/4 in. Gold

    $12.99
  12. Grip-Rite 1 lb. Construction Screw 2-1/2 in. Gold
    0.0 out of 5 stars with 0 reviews
    0.0 (0)

    Grip-Rite 1 lb. Construction Screw 2-1/2 in. Gold

    $12.99

Customers Also Bought

  1. Hillman 1/4 in.-20 TPI Grade 5 Serrated Whiz Lock Nuts, 3-Pack
    0.0 out of 5 stars with 0 reviews
    0.0 (0)

    Hillman 1/4 in.-20 TPI Grade 5 Serrated Whiz Lock Nuts, 3-Pack

    $1.79
  2. Top Rated
    Hillman 5/16 in.-18 TPI Grade 5 Serrated Whiz Lock Nuts, 3-Pack
    5.0 out of 5 stars with 1 reviews
    5.0 (1)

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

    $1.79
  3. Hillman 1/2 in.-13 TPI Steel Grade 5 Serrated Whiz Lock Nuts
    0.0 out of 5 stars with 0 reviews
    0.0 (0)

    Hillman 1/2 in.-13 TPI Steel Grade 5 Serrated Whiz Lock Nuts

    $1.79
  4. Top Rated
    Hillman 7/16 in.-14 TPI Nylon Insert Stop Nuts, 4-Pack
    4.8 out of 5 stars with 4 reviews
    4.8 (4)

    Hillman 7/16 in.-14 TPI Nylon Insert Stop Nuts, 4-Pack

    $2.99
  5. Top Rated
    Hillman 1/4 in.-20 TPI Stainless Steel Stop Nuts, 5-Pack
    5.0 out of 5 stars with 2 reviews
    5.0 (2)

    Hillman 1/4 in.-20 TPI Stainless Steel Stop Nuts, 5-Pack

    $4.29
  6. Hillman #8-32 TPI Stainless Steel Stop Nuts, 5-Pack
    0.0 out of 5 stars with 0 reviews
    0.0 (0)

    Hillman #8-32 TPI Stainless Steel Stop Nuts, 5-Pack

    $2.99
  7. Top Rated
    Hillman 1/4 in.-20 TPI Zinc-Plated Nylon Insert Stop Nuts, 4 pk.
    5.0 out of 5 stars with 1 reviews
    5.0 (1)

    Hillman 1/4 in.-20 TPI Zinc-Plated Nylon Insert Stop Nuts, 4 pk.

    $3.49
  8. Top Rated
    Hillman 3/8 in.-16 TPI Stainless Steel Stop Nuts, 5-Pack
    5.0 out of 5 stars with 1 reviews
    5.0 (1)

    Hillman 3/8 in.-16 TPI Stainless Steel Stop Nuts, 5-Pack

    $4.49
  9. Top Rated
    Hillman #10-24 TPI Stainless Steel Stop Nuts, 5-Pack
    5.0 out of 5 stars with 2 reviews
    5.0 (2)

    Hillman #10-24 TPI Stainless Steel Stop Nuts, 5-Pack

    $2.99
  10. Hillman #10-24 TPI Nylon Insert Stop Nuts, 4-Pack
    0.0 out of 5 stars with 0 reviews
    0.0 (0)

    Hillman #10-24 TPI Nylon Insert Stop Nuts, 4-Pack

    $1.79
  11. Hillman 3/8 in.-16 TPI Nylon Insert Stop Nuts, 4-Pack
    0.0 out of 5 stars with 0 reviews
    0.0 (0)

    Hillman 3/8 in.-16 TPI Nylon Insert Stop Nuts, 4-Pack

    $2.99
  12. Top Rated
    Hillman 3/8 in.-24 TPI Nylon Insert Stop Nuts, 2-Pack
    5.0 out of 5 stars with 1 reviews
    5.0 (1)

    Hillman 3/8 in.-24 TPI Nylon Insert Stop Nuts, 2-Pack

    $2.99

Reviews

Rating Snapshot

Select a row below to filter reviews.

5 starsstars

3
3 reviews with 5 stars.

4 starsstars

0
0 reviews with 4 stars.

3 starsstars

0
0 reviews with 3 stars.

2 starsstars

0
0 reviews with 2 stars.

1 starstars

0
0 reviews with 1 star.

Overall Rating

5.0

Review this Product

Select to rate the item with 1 star. This action will open submission form.
Select to rate the item with 2 stars. This action will open submission form.
Select to rate the item with 3 stars. This action will open submission form.
Select to rate the item with 4 stars. This action will open submission form.
Select to rate the item with 5 stars. This action will open submission form.
Adding a review will require a valid email for verification
1 to 0 of 3 Reviews .

3 Ratings-Only Reviews

Get the top deals, latest trends and more
Sign up for emails from Tractor Supply today.
First Name*
Last Name*
Email*

Customer Support

  • Order Status

  • Return Policy

  • Delivery Options

  • Tax Exemptions

  • Frequently Asked Questions

  • Contact Us

  • Recall Notices

  • Call:  

    (877) 718-6750

  • Mon - Sat: 7am - 9pm CT

  • Sun: 8am - 7pm CT

  • Closed Christmas Day

About Us

  • Who We Are

  • Investor Relations

  • Stewardship

  • Community

  • Military Support

  • Product Catalog

  • Tractor Supply Stores

  • .Pharmacy Verified Website

Work With Us

  • Careers

  • Sponsorship

  • Affiliate Program

  • Potential Vendor Partners

  • Vendor Information

  • Tractor Supply Media Network

Neighbor's Club

  • About

  • Rewards

  • Hometown Heroes

  • Frequently Asked Questions

  • Terms & Conditions

Credit Center

  • TSC Credit Card

  • Klarna

Stay Connected

Connect & Share with the Tractor Supply Community.

Tractor Supply App

Shop on the go with the Tractor Supply App

Learn More

Stay Connected

Connect & Share with the Tractor Supply Community.

Tractor Supply App

Shop on the go with the Tractor Supply App

Learn More
  • Order Status

  • Return Policy

  • Delivery Options

  • Tax Exemptions

  • Frequently Asked Questions

  • Contact Us

  • Recall Notices

  • Call:  (877) 718-6750

  • Mon - Sat: 7am - 9pm CT

  • Sun: 8am - 7pm CT

  • Closed Christmas Day

  • Who We Are

  • Investor Relations

  • Stewardship

  • Community

  • Military Support

  • Product Catalog

  • Tractor Supply Stores

  • .Pharmacy Verified Website

  • Careers

  • Sponsorship

  • Affiliate Program

  • Potential Vendor Partners

  • Vendor Information

  • Tractor Supply Media Network

  • About

  • Rewards

  • Hometown Heroes

  • Frequently Asked Questions

  • Terms & Conditions

  • TSC Credit Card

  • Klarna

Connect & Share with the Tractor Supply Community.

Shop on the go with the Tractor Supply App

Learn More
  • Privacy policy
  • Your Privacy Choices
  • Terms and Conditions
  • California Transparency Act
  • Legal Notices
  • Accessibility
  • Responsible Disclosure Statement
  • Surprise (Balance) Medical Billing Disclosure
  • Transparency in Coverage
  • Human Rights Policy
  • Vendor Code of Conduct
  • California Notice of Collection
  • Privacy Requests

© 2026, Tractor Supply Co. All Rights Reserved.