Featured Categories

  • Tools & Machining
  • Shipping, Packaging & Office Supplies
  • Plumbing
  • Safety

Shop Categories

  • Abrasives & Polishers
  • Adhesives & Tapes
  • Electrical Supplies
  • Electronics
  • Fasteners
  • Food Service & Restaurant Supplies
  • Furniture, Linens & Decor
  • Grounds & Outdoor
  • Hardware & Building Materials
  • Heating & Cooling
  • Janitorial & Cleaning Supplies
  • Lab Equipment & Supplies
  • Lighting
  • Material Handling
  • Medical & Personal Care
  • Paint, Coatings & Supplies
  • Plumbing
  • Power Transmission
  • Pumps
  • Raw Materials
  • Safety
  • Shipping, Packaging & Office Supplies
  • Storage & Workspace
  • Test Instruments & Gauges
  • Tools & Machining
  • Vehicle Maintenance
  • Welding, Soldering & Brazing
  • About Us
  • Promo Codes
  • Contact Us
Added to Cart
Skip to Main Content
FREE Shipping on orders over $50 after you . Restrictions Apply
Zoro Homepage
Close icon
Clipboard Icon Clipboard Icon Quick Order
Cart Icon
0
Cart Icon
0
Cart
  • Low prices on everyday needs. Shop Zoro Select
  • Don't miss these limited time offers. Shop All Deals
  • Get 30 days to pay with Net 30. Apply Now
  1. Home
  2. /
  3. Fasteners
  4. /
  5. Nuts
  6. /
  7. Lock Nuts
Search Feedback

Lock Nuts (10,000+ items) - Page 178

X1 Tools 1 1/4-12 Ultra Hi Performance Black-Oxide Steel Nylon-Insert Locknuts, 100PK X1E-FAS-NUT-LOC-1256x100
X1 Tools

1 1/4-12 Ultra Hi Performance Black-Oxide Steel Nylon-Insert Locknuts, 100PK

Zoro # G522844837
Mfr # X1E-FAS-NUT-LOC-1256x100
product price:  $4,637.99
/pk 100, $46.38/ea
X1 Tools 1-14 UHP Yellow Zinc Plated Grade 8 Steel Thin-Profile Nylon-Insert Locknuts, 50PK X1E-FAS-NUT-LOC-3038x50
X1 Tools

1-14 UHP Yellow Zinc Plated Grade 8 Steel Thin-Profile Nylon-Insert Locknuts, 50PK

Zoro # G522853877
Mfr # X1E-FAS-NUT-LOC-3038x50
product price:  $693.99
/pk 50, $13.88/ea
No Product Image Available
Zoro Select

Lock Nut, Steel, PK10

Zoro # G522962098
Mfr # FLHN01200CAD-010P
product price:  $30.59
/pk 10, $3.06/ea
X1 Tools 10-24 Corrosion-Resistant 18-8 Stainless Steel Nylon-Insert Locknuts, 400PK X1E-FAS-NUT-LOC-2121x400
X1 Tools

10-24 Corrosion-Resistant 18-8 Stainless Steel Nylon-Insert Locknuts, 400PK

Zoro # G822865709
Mfr # X1E-FAS-NUT-LOC-2121x400
product price:  $81.89
/pk 400, $0.20/ea
X1 Tools 3/8-24 Black-Oxide C.R. 18-8 Stainless Steel Nylon-Insert Locknuts, 100PK X1E-FAS-NUT-LOC-2242x100
X1 Tools

3/8-24 Black-Oxide C.R. 18-8 Stainless Steel Nylon-Insert Locknuts, 100PK

Zoro # G022865592
Mfr # X1E-FAS-NUT-LOC-2242x100
product price:  $280.99
/pk 100, $2.81/ea
X1 Tools 5/16-18 Performance Zinc-Plated Steel Thin-Profile Nylon-Insert Locknuts, 10PK X1E-FAS-NUT-LOC-3430x10
X1 Tools

5/16-18 Performance Zinc-Plated Steel Thin-Profile Nylon-Insert Locknuts, 10PK

Zoro # G722854018
Mfr # X1E-FAS-NUT-LOC-3430x10
product price:  $2.35
/pk 10, $0.24/ea
X1 Tools 1 1/8-7 Corrosion-Resistant 18-8 Stainless Steel Nylon-Insert Locknuts, 75PK X1E-FAS-NUT-LOC-2146x75
X1 Tools

1 1/8-7 Corrosion-Resistant 18-8 Stainless Steel Nylon-Insert Locknuts, 75PK

Zoro # G122856896
Mfr # X1E-FAS-NUT-LOC-2146x75
product price:  $2,023.99
/pk 75, $26.99/ea
X1 Tools 5/16-18 Black-Oxide C.R. 18-8 Stainless Steel Nylon-Insert Locknuts X1E-FAS-NUT-LOC-2236x1
X1 Tools

5/16-18 Black-Oxide C.R. 18-8 Stainless Steel Nylon-Insert Locknuts

Zoro # G622858765
Mfr # X1E-FAS-NUT-LOC-2236x1
product price:  $1.35
/ea
X1 Tools 3/8-24 Black-Oxide Corrosion-Resistant 18-8 Stainless Steel Thin-Profile Nylon-Insert Locknuts, 4PK X1E-FAS-NUT-LOC-3826x4
X1 Tools

3/8-24 Black-Oxide Corrosion-Resistant 18-8 Stainless Steel Thin-Profile Nylon-Insert Locknuts, 4PK

Zoro # G922857819
Mfr # X1E-FAS-NUT-LOC-3826x4
product price:  $6.15
/pk 4, $1.54/ea
X1 Tools 3/4-16 UHP Yellow Zinc Plated Grade 8 Steel Thin-Profile Nylon-Insert Locknuts, 6PK X1E-FAS-NUT-LOC-3034x6
X1 Tools

3/4-16 UHP Yellow Zinc Plated Grade 8 Steel Thin-Profile Nylon-Insert Locknuts, 6PK

Zoro # G422848959
Mfr # X1E-FAS-NUT-LOC-3034x6
product price:  $49.15
/pk 6, $8.19/ea
X1 Tools 1-8 Performance Zinc-Plated Steel Thin-Profile Nylon-Insert Locknuts, 500PK X1E-FAS-NUT-LOC-3462x500
X1 Tools

1-8 Performance Zinc-Plated Steel Thin-Profile Nylon-Insert Locknuts, 500PK

Zoro # G822861381
Mfr # X1E-FAS-NUT-LOC-3462x500
product price:  $3,325.99
/pk 500, $6.65/ea
X1 Tools 1-8 Hi-Performance Zinc-Plated Steel Nylon-Insert Locknuts, 120PK X1E-FAS-NUT-LOC-1628x120
X1 Tools

1-8 Hi-Performance Zinc-Plated Steel Nylon-Insert Locknuts, 120PK

Zoro # G222859551
Mfr # X1E-FAS-NUT-LOC-1628x120
product price:  $986.99
/pk 120, $8.22/ea
X1 Tools 1-8 Performance Zinc-Plated Steel Thin-Profile Nylon-Insert Locknuts, 6PK X1E-FAS-NUT-LOC-3462x6
X1 Tools

1-8 Performance Zinc-Plated Steel Thin-Profile Nylon-Insert Locknuts, 6PK

Zoro # G822849310
Mfr # X1E-FAS-NUT-LOC-3462x6
product price:  $36.25
/pk 6, $6.04/ea
X1 Tools 3/8-16 Performance Zinc-Plated Steel Thin-Profile Nylon-Insert Locknuts, 50PK X1E-FAS-NUT-LOC-3434x50
X1 Tools

3/8-16 Performance Zinc-Plated Steel Thin-Profile Nylon-Insert Locknuts, 50PK

Zoro # G022858389
Mfr # X1E-FAS-NUT-LOC-3434x50
product price:  $15.75
/pk 50, $0.32/ea
X1 Tools 5/16-18 Performance Black-Corrosion-Resistant-Coated Steel Thin-Profile Nylon-Insert Locknuts, 400PK X1E-FAS-NUT-LOC-3620x400
X1 Tools

5/16-18 Performance Black-Corrosion-Resistant-Coated Steel Thin-Profile Nylon-Insert Locknuts, 400PK

Zoro # G222849828
Mfr # X1E-FAS-NUT-LOC-3620x400
product price:  $1,600.99
/pk 400, $4.00/ea
X1 Tools 7/16-20 Corrosion-Resistant 316 Stainless Steel Nylon-Insert Locknuts, 100PK X1E-FAS-NUT-LOC-2338x100
X1 Tools

7/16-20 Corrosion-Resistant 316 Stainless Steel Nylon-Insert Locknuts, 100PK

Zoro # G322864073
Mfr # X1E-FAS-NUT-LOC-2338x100
product price:  $163.99
/pk 100, $1.64/ea
X1 Tools 1-8 Hi-Performance Zinc-Plated Steel Nylon-Insert Locknuts, 15PK X1E-FAS-NUT-LOC-1628x15
X1 Tools

1-8 Hi-Performance Zinc-Plated Steel Nylon-Insert Locknuts, 15PK

Zoro # G122856681
Mfr # X1E-FAS-NUT-LOC-1628x15
product price:  $90.65
/pk 15, $6.04/ea
X1 Tools 1-8 Corrosion-Resistant 18-8 Stainless Steel Nylon-Insert Locknuts, 100PK X1E-FAS-NUT-LOC-2143x100
X1 Tools

1-8 Corrosion-Resistant 18-8 Stainless Steel Nylon-Insert Locknuts, 100PK

Zoro # G822862814
Mfr # X1E-FAS-NUT-LOC-2143x100
product price:  $1,626.99
/pk 100, $16.27/ea
X1 Tools 6-32 Performance Zinc-Plated Steel Thin-Profile Nylon-Insert Locknuts, 50PK X1E-FAS-NUT-LOC-3416x50
X1 Tools

6-32 Performance Zinc-Plated Steel Thin-Profile Nylon-Insert Locknuts, 50PK

Zoro # G722846686
Mfr # X1E-FAS-NUT-LOC-3416x50
product price:  $17.65
/pk 50, $0.35/ea
X1 Tools 1 1/2-6 Hi Performance Zinc-Plated Steel Thin-Profile Nylon-Insert Locknuts, 500PK X1E-FAS-NUT-LOC-3330x500
X1 Tools

1 1/2-6 Hi Performance Zinc-Plated Steel Thin-Profile Nylon-Insert Locknuts, 500PK

Zoro # G722847867
Mfr # X1E-FAS-NUT-LOC-3330x500
product price:  $27,377.99
/pk 500, $54.76/ea
X1 Tools 1-8 Performance Zinc-Plated Steel Nylon-Insert Locknuts, 20PK X1E-FAS-NUT-LOC-1964x20
X1 Tools

1-8 Performance Zinc-Plated Steel Nylon-Insert Locknuts, 20PK

Zoro # G622847363
Mfr # X1E-FAS-NUT-LOC-1964x20
product price:  $114.99
/pk 20, $5.75/ea
Newport Fasteners Nylon Insert Lock Nut, 1/2"-20, Steel, Grade A, Zinc Plated, 1000 PK 969366-BR-1000
Newport Fasteners

Nylon Insert Lock Nut, 1/2"-20, Steel, Grade A, Zinc Plated, 1000 PK

Zoro # G806331985
Mfr # 969366-BR-1000
product price:  $254.99
/pk 1000, $0.25/ea
X1 Tools 4-40 Black-Oxide Corrosion-Resistant 18-8 Stainless Steel Thin-Profile Nylon-Insert Locknuts, 150PK X1E-FAS-NUT-LOC-3810x150
X1 Tools

4-40 Black-Oxide Corrosion-Resistant 18-8 Stainless Steel Thin-Profile Nylon-Insert Locknuts, 150PK

Zoro # G522865245
Mfr # X1E-FAS-NUT-LOC-3810x150
product price:  $50.79
/pk 150, $0.34/ea
Zoro Select Self Clinching Lock Nut, #10-24, Steel, Zinc Plated, 8000 PK 10-2NCL
Zoro Select

Self Clinching Lock Nut, #10-24, Steel, Zinc Plated, 8000 PK

Zoro # G2437554
Mfr # 10-2NCL
product price:  $984.99
/pk 8000, $0.12/ea
Newport Fasteners Nylon Insert Lock Nut, 1-1/4"-7, Steel, Grade A, Zinc Plated, 10 PK 940678-PR-10
Newport Fasteners

Nylon Insert Lock Nut, 1-1/4"-7, Steel, Grade A, Zinc Plated, 10 PK

Zoro # G906332639
Mfr # 940678-PR-10
product price:  $214.99
/pk 10, $21.50/ea
Oxoxo 5/8-11 Non Serrated Regular Flange Center Locknut Grade F Zinc, 350PK 522344
Oxoxo

5/8-11 Non Serrated Regular Flange Center Locknut Grade F Zinc, 350PK

Zoro # G122680644
Mfr # 522344
product price:  $331.99
/pk 350, $0.95/ea
X1 Tools 7/8-14 Hi Performance Zinc-Plated Steel Thin-Profile Nylon-Insert Locknuts, 250PK X1E-FAS-NUT-LOC-3318x250
X1 Tools

7/8-14 Hi Performance Zinc-Plated Steel Thin-Profile Nylon-Insert Locknuts, 250PK

Zoro # G122850443
Mfr # X1E-FAS-NUT-LOC-3318x250
product price:  $3,511.99
/pk 250, $14.05/ea
X1 Tools 5/8-11 Performance Zinc-Plated Steel Nylon-Insert Locknuts, 100PK X1E-FAS-NUT-LOC-1952x100
X1 Tools

5/8-11 Performance Zinc-Plated Steel Nylon-Insert Locknuts, 100PK

Zoro # G622863165
Mfr # X1E-FAS-NUT-LOC-1952x100
product price:  $119.99
/pk 100, $1.20/ea
X1 Tools 1/2-13 Corrosion-Resistant 18-8 Stainless Steel Nylon-Insert Locknuts, 6PK X1E-FAS-NUT-LOC-2133x6
X1 Tools

1/2-13 Corrosion-Resistant 18-8 Stainless Steel Nylon-Insert Locknuts, 6PK

Zoro # G222845295
Mfr # X1E-FAS-NUT-LOC-2133x6
product price:  $14.65
/pk 6, $2.44/ea
X1 Tools 5/16-24 Corrosion-Resistant 316 Stainless Steel Thin-Profile Nylon-Insert Locknuts, 200PK X1E-FAS-NUT-LOC-3920x200
X1 Tools

5/16-24 Corrosion-Resistant 316 Stainless Steel Thin-Profile Nylon-Insert Locknuts, 200PK

Zoro # G722860958
Mfr # X1E-FAS-NUT-LOC-3920x200
product price:  $179.99
/pk 200, $0.90/ea
X1 Tools 5/8-18 Hi Performance Zinc-Plated Steel Thin-Profile Nylon-Insert Locknuts, 250PK X1E-FAS-NUT-LOC-3312x250
X1 Tools

5/8-18 Hi Performance Zinc-Plated Steel Thin-Profile Nylon-Insert Locknuts, 250PK

Zoro # G522856519
Mfr # X1E-FAS-NUT-LOC-3312x250
product price:  $2,032.99
/pk 250, $8.13/ea
X1 Tools 5/8-18 UHP Yellow Zinc Plated Grade 8 Steel Thin-Profile Nylon-Insert Locknuts, 10PK X1E-FAS-NUT-LOC-3032x10
X1 Tools

5/8-18 UHP Yellow Zinc Plated Grade 8 Steel Thin-Profile Nylon-Insert Locknuts, 10PK

Zoro # G022853230
Mfr # X1E-FAS-NUT-LOC-3032x10
product price:  $47.85
/pk 10, $4.79/ea
X1 Tools 1 1/8-7 Corrosion-Resistant 18-8 Stainless Steel Nylon-Insert Locknuts, 200PK X1E-FAS-NUT-LOC-2146x200
X1 Tools

1 1/8-7 Corrosion-Resistant 18-8 Stainless Steel Nylon-Insert Locknuts, 200PK

Zoro # G722863492
Mfr # X1E-FAS-NUT-LOC-2146x200
product price:  $5,489.99
/pk 200, $27.45/ea
X1 Tools 3/4-10 Corrosion-Resistant 316 Stainless Steel Nylon-Insert Locknuts, 25PK X1E-FAS-NUT-LOC-2352x25
X1 Tools

3/4-10 Corrosion-Resistant 316 Stainless Steel Nylon-Insert Locknuts, 25PK

Zoro # G322862857
Mfr # X1E-FAS-NUT-LOC-2352x25
product price:  $134.99
/pk 25, $5.40/ea
X1 Tools 10-24 Black-Oxide C.R. 18-8 Stainless Steel Nylon-Insert Locknuts, 50PK X1E-FAS-NUT-LOC-2226x50
X1 Tools

10-24 Black-Oxide C.R. 18-8 Stainless Steel Nylon-Insert Locknuts, 50PK

Zoro # G822861183
Mfr # X1E-FAS-NUT-LOC-2226x50
product price:  $22.25
/pk 50, $0.45/ea
X1 Tools 10-24 Performance Zinc-Plated Steel Nylon-Insert Locknuts, 25PK X1E-FAS-NUT-LOC-1922x25
X1 Tools

10-24 Performance Zinc-Plated Steel Nylon-Insert Locknuts, 25PK

Zoro # G622845178
Mfr # X1E-FAS-NUT-LOC-1922x25
product price:  $3.69
/pk 25, $0.15/ea
Lock Nuts (10,000+ items) - Page 178
  • First
  • Previous
  • 178
    of 277 pages
  • Next
  • Last

About Lock Nuts

Lock Nuts are a type of fastener that is designed to prevent a nut from coming loose when it is secured with a bolt. They are usually threaded and tightened onto the bolt to create a secure connection, which helps keep the nuts from vibrating off. Lock Nuts come in many different varieties and can be used in any number of applications.

Types of Lock Nuts

The most common types of lock nuts are nylock flange nuts, stainless steel lock nuts, and steel lock nuts. Depending on the application they will be used for, they can vary in size, shape, threading type, material composition or even locking mechanism.

How Lock Nuts are Made

Lock Nuts are typically made using either metal or plastic components and have threads cut into them so that they can be screwed onto bolts. They also often include an additional locking element such as an O-ring or nylon insert to help prevent loosening due to vibration or shock.

Industries that use Lock Nuts

Lock Nuts are commonly used in industries such as automotive repair, manufacturing, construction and plumbing. Professionals who work in these fields rely on these fasteners to securely hold parts together during assembly processes and repairs.

Find the Lock Nuts You Need at Zoro

Looking for a specific item? Use our robust search tool to find it by name or keyword, or use our handy filters to narrow down our full assortment. You can also check out our whole selection of fasteners, along with other tools or supplies to ensure you have all you need to tackle the job, especially if you're taking on a DIY project for the first time.
Plus, when you shop at Zoro, you'll always enjoy competitive prices on tons of great brands you know and trust. We make the shopping experience as fast and seamless as possible with free shipping on orders over $50 for registered users, Net 30 payment terms for qualifying customers, and an unparalleled customer service experience.

Related Categories

Hex NutsFlange NutsCoupling NutsWing NutsHex Head Cap Screws
General WashersSocket Head Cap ScrewsMachine ScrewsLock WashersSelf-Tapping Screws
lock nut nylon insert5/16-18 stainless steel bolt3/8" flange nuts1/2-13 nylon lock nutserrated flange lock nut
3/8-16 nuts stainless steeldistorted thread lock nutflanged locknut5/8-18 flange nut1/4-20 stainless steel nut

Sign Up & Save

Take 10% off your next order when you sign up for Zoro emails. Subscribe now to receive your promo code via email.

Follow Us

  • Facebook
  • YouTube
  • LinkedIn
  • Instagram
Every Part Plays a Part

Information

  • About Us
  • Accessibility
  • Careers
  • Inclusion
  • Giving Back
  • Resource Hub
  • Returns
  • Shipping

Shopping

  • Brands
  • Collections
  • My Account
  • Payments
  • Promo Codes
  • Sitemap
  • Track My Order

Services

  • Customer Service
  • FAQs
  • Net 30 Terms
  • Reseller Program
  • Sell on Zoro
  • Participate in Research

Zoro, Inc

Connect

Customer Service From Real People

  • Phone: (855) 289-9676
  • Contact Us

© 2011-2026 Zoro Tools, Inc. All rights reserved.
  • Terms & Conditions
  • Terms of Access
  • Privacy Policy
Zoro, Inc