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 235

No Product Image Available
Standard Locknut

Bearing Lock Nut, Steel

Zoro # G422964574
Mfr # KM4
product price:  $14.65
/ea
X1 Tools 10-32 Performance Black-Corrosion-Resistant-Coated Steel Thin-Profile Nylon-Insert Locknuts, 25PK X1E-FAS-NUT-LOC-3616x25
X1 Tools

10-32 Performance Black-Corrosion-Resistant-Coated Steel Thin-Profile Nylon-Insert Locknuts, 25PK

Zoro # G922865234
Mfr # X1E-FAS-NUT-LOC-3616x25
product price:  $105.99
/pk 25, $4.24/ea
X1 Tools 10-32 Corrosion-Resistant 18-8 Stainless Steel Thin-Profile Nylon-Insert Locknuts X1E-FAS-NUT-LOC-3718x1
X1 Tools

10-32 Corrosion-Resistant 18-8 Stainless Steel Thin-Profile Nylon-Insert Locknuts

Zoro # G522858179
Mfr # X1E-FAS-NUT-LOC-3718x1
product price:  $0.74
/ea
X1 Tools 5/8-18 Corrosion-Resistant 18-8 Stainless Steel Nylon-Insert Locknuts, 200PK X1E-FAS-NUT-LOC-2138x200
X1 Tools

5/8-18 Corrosion-Resistant 18-8 Stainless Steel Nylon-Insert Locknuts, 200PK

Zoro # G222863985
Mfr # X1E-FAS-NUT-LOC-2138x200
product price:  $632.99
/pk 200, $3.16/ea
X1 Tools 1/4-28 Corrosion-Resistant 316 Stainless Steel Nylon-Insert Locknuts, 15PK X1E-FAS-NUT-LOC-2326x15
X1 Tools

1/4-28 Corrosion-Resistant 316 Stainless Steel Nylon-Insert Locknuts, 15PK

Zoro # G922851527
Mfr # X1E-FAS-NUT-LOC-2326x15
product price:  $12.25
/pk 15, $0.82/ea
Newport Fasteners Nylon Insert Lock Nut, 3/8"-24, 316 Stainless Steel, Not Graded, 100 PK 190239-PR-100
Newport Fasteners

Nylon Insert Lock Nut, 3/8"-24, 316 Stainless Steel, Not Graded, 100 PK

Zoro # G906327765
Mfr # 190239-PR-100
product price:  $160.99
/pk 100, $1.61/ea
X1 Tools 3/4-10 Corrosion-Resistant 316 Stainless Steel Nylon-Insert Locknuts, 20PK X1E-FAS-NUT-LOC-2352x20
X1 Tools

3/4-10 Corrosion-Resistant 316 Stainless Steel Nylon-Insert Locknuts, 20PK

Zoro # G222854495
Mfr # X1E-FAS-NUT-LOC-2352x20
product price:  $111.99
/pk 20, $5.60/ea
X1 Tools 5/8-18 Corrosion-Resistant 18-8 Stainless Steel Thin-Profile Nylon-Insert Locknuts, 150PK X1E-FAS-NUT-LOC-3744x150
X1 Tools

5/8-18 Corrosion-Resistant 18-8 Stainless Steel Thin-Profile Nylon-Insert Locknuts, 150PK

Zoro # G122851082
Mfr # X1E-FAS-NUT-LOC-3744x150
product price:  $1,008.99
/pk 150, $6.73/ea
X1 Tools 5/8-18 UHP Black-Oxide Grade 8 Steel Thin-Profile Nylon-Insert Locknuts, 250PK X1E-FAS-NUT-LOC-3230x250
X1 Tools

5/8-18 UHP Black-Oxide Grade 8 Steel Thin-Profile Nylon-Insert Locknuts, 250PK

Zoro # G122862873
Mfr # X1E-FAS-NUT-LOC-3230x250
product price:  $1,042.99
/pk 250, $4.17/ea
X1 Tools 10-24 Performance Zinc-Plated Steel Thin-Profile Nylon-Insert Locknuts, 50PK X1E-FAS-NUT-LOC-3420x50
X1 Tools

10-24 Performance Zinc-Plated Steel Thin-Profile Nylon-Insert Locknuts, 50PK

Zoro # G122856704
Mfr # X1E-FAS-NUT-LOC-3420x50
product price:  $11.99
/pk 50, $0.24/ea
X1 Tools 5/16-18 Ultra H.P. Yellow Zinc Plated Grade 8 Steel Nylon-Insert Locknuts, 400PK X1E-FAS-NUT-LOC-1014x400
X1 Tools

5/16-18 Ultra H.P. Yellow Zinc Plated Grade 8 Steel Nylon-Insert Locknuts, 400PK

Zoro # G722844392
Mfr # X1E-FAS-NUT-LOC-1014x400
product price:  $244.99
/pk 400, $0.61/ea
X1 Tools 5/8-18 Hi-Performance Zinc-Plated Steel Nylon-Insert Locknuts X1E-FAS-NUT-LOC-1623x1
X1 Tools

5/8-18 Hi-Performance Zinc-Plated Steel Nylon-Insert Locknuts

Zoro # G622863639
Mfr # X1E-FAS-NUT-LOC-1623x1
product price:  $2.29
/ea
X1 Tools 1/2-20 Performance Zinc-Plated Steel Thin-Profile Nylon-Insert Locknuts, 8PK X1E-FAS-NUT-LOC-3444x8
X1 Tools

1/2-20 Performance Zinc-Plated Steel Thin-Profile Nylon-Insert Locknuts, 8PK

Zoro # G122863825
Mfr # X1E-FAS-NUT-LOC-3444x8
product price:  $3.85
/pk 8, $0.48/ea
X1 Tools 7/8-14 UHP Black-Oxide Grade 8 Steel Thin-Profile Nylon-Insert Locknuts, 150PK X1E-FAS-NUT-LOC-3234x150
X1 Tools

7/8-14 UHP Black-Oxide Grade 8 Steel Thin-Profile Nylon-Insert Locknuts, 150PK

Zoro # G222855621
Mfr # X1E-FAS-NUT-LOC-3234x150
product price:  $1,647.99
/pk 150, $10.99/ea
X1 Tools 7/8-9 Corrosion-Resistant 18-8 Stainless Steel Nylon-Insert Locknuts, 4PK X1E-FAS-NUT-LOC-2141x4
X1 Tools

7/8-9 Corrosion-Resistant 18-8 Stainless Steel Nylon-Insert Locknuts, 4PK

Zoro # G722863386
Mfr # X1E-FAS-NUT-LOC-2141x4
product price:  $42.89
/pk 4, $10.72/ea
X1 Tools 1 1/8-7 Performance Zinc-Plated Steel Thin-Profile Nylon-Insert Locknuts, 50PK X1E-FAS-NUT-LOC-3466x50
X1 Tools

1 1/8-7 Performance Zinc-Plated Steel Thin-Profile Nylon-Insert Locknuts, 50PK

Zoro # G022856330
Mfr # X1E-FAS-NUT-LOC-3466x50
product price:  $403.99
/pk 50, $8.08/ea
X1 Tools 1 1/4-7 Corrosion-Resistant 18-8 Stainless Steel Thin-Profile Nylon-Insert Locknuts, 8PK X1E-FAS-NUT-LOC-3760x8
X1 Tools

1 1/4-7 Corrosion-Resistant 18-8 Stainless Steel Thin-Profile Nylon-Insert Locknuts, 8PK

Zoro # G222862803
Mfr # X1E-FAS-NUT-LOC-3760x8
product price:  $367.99
/pk 8, $46.00/ea
No Product Image Available
Zoro Select

Lock Nut, Stainless Steel, 1/16", PK5

Zoro # G122963143
Mfr # FLJNIX0-8SLV-005P
product price:  $27.59
/pk 5, $5.52/ea
X1 Tools 3/8-24 Corrosion-Resistant 18-8 Stainless Steel Nylon-Insert Locknuts, 12PK X1E-FAS-NUT-LOC-2130x12
X1 Tools

3/8-24 Corrosion-Resistant 18-8 Stainless Steel Nylon-Insert Locknuts, 12PK

Zoro # G522859275
Mfr # X1E-FAS-NUT-LOC-2130x12
product price:  $15.69
/pk 12, $1.31/ea
X1 Tools 1-14 Ultra Hi Performance Black-Oxide Steel Nylon-Insert Locknuts, 500PK X1E-FAS-NUT-LOC-1248x500
X1 Tools

1-14 Ultra Hi Performance Black-Oxide Steel Nylon-Insert Locknuts, 500PK

Zoro # G622851285
Mfr # X1E-FAS-NUT-LOC-1248x500
product price:  $5,411.99
/pk 500, $10.82/ea
X1 Tools 1-14 Ultra Hi Performance Black-Oxide Steel Nylon-Insert Locknuts, 200PK X1E-FAS-NUT-LOC-1248x200
X1 Tools

1-14 Ultra Hi Performance Black-Oxide Steel Nylon-Insert Locknuts, 200PK

Zoro # G722855534
Mfr # X1E-FAS-NUT-LOC-1248x200
product price:  $2,218.99
/pk 200, $11.09/ea
X1 Tools 6-32 Performance Zinc-Plated Steel Thin-Profile Nylon-Insert Locknuts, 20PK X1E-FAS-NUT-LOC-3416x20
X1 Tools

6-32 Performance Zinc-Plated Steel Thin-Profile Nylon-Insert Locknuts, 20PK

Zoro # G022863833
Mfr # X1E-FAS-NUT-LOC-3416x20
product price:  $6.19
/pk 20, $0.31/ea
X1 Tools 7/8-9 Performance Zinc-Plated Steel Nylon-Insert Locknuts, 400PK X1E-FAS-NUT-LOC-1960x400
X1 Tools

7/8-9 Performance Zinc-Plated Steel Nylon-Insert Locknuts, 400PK

Zoro # G922865142
Mfr # X1E-FAS-NUT-LOC-1960x400
product price:  $2,217.99
/pk 400, $5.54/ea
X1 Tools 7/8-14 Hi-Performance Zinc-Plated Steel Nylon-Insert Locknuts X1E-FAS-NUT-LOC-1627x1
X1 Tools

7/8-14 Hi-Performance Zinc-Plated Steel Nylon-Insert Locknuts

Zoro # G022845518
Mfr # X1E-FAS-NUT-LOC-1627x1
product price:  $5.75
/ea
X1 Tools 1-14 Hi-Performance Zinc-Plated Steel Nylon-Insert Locknuts, 200PK X1E-FAS-NUT-LOC-1629x200
X1 Tools

1-14 Hi-Performance Zinc-Plated Steel Nylon-Insert Locknuts, 200PK

Zoro # G222861653
Mfr # X1E-FAS-NUT-LOC-1629x200
product price:  $1,832.99
/pk 200, $9.16/ea
Zoro Select Lock Nut, #2-4.5, Nylon, Zinc Plated, 0.081 in Ht, 5 PK 200NSH
Zoro Select

Lock Nut, #2-4.5, Nylon, Zinc Plated, 0.081 in Ht, 5 PK

Zoro # G2450784
Mfr # 200NSH
product price:  $234.99
/pk 5, $47.00/ea
No Product Image Available
Zoro Select

Lock Nut, Stainless Steel, 7/64", PK5

Zoro # G922964128
Mfr # FLJNFIX037-005P
product price:  $18.49
/pk 5, $3.70/ea
X1 Tools 3/8-16 UHP Black-Oxide Grade 8 Steel Thin-Profile Nylon-Insert Locknuts, 250PK X1E-FAS-NUT-LOC-3218x250
X1 Tools

3/8-16 UHP Black-Oxide Grade 8 Steel Thin-Profile Nylon-Insert Locknuts, 250PK

Zoro # G722861412
Mfr # X1E-FAS-NUT-LOC-3218x250
product price:  $381.99
/pk 250, $1.53/ea
X1 Tools 8-32 Performance Zinc-Plated Steel Thin-Profile Nylon-Insert Locknuts, 1000PK X1E-FAS-NUT-LOC-3418x1000
X1 Tools

8-32 Performance Zinc-Plated Steel Thin-Profile Nylon-Insert Locknuts, 1000PK

Zoro # G322862796
Mfr # X1E-FAS-NUT-LOC-3418x1000
product price:  $92.55
/pk 1000, $0.09/ea
X1 Tools 3/8-16 Corrosion-Resistant 18-8 Stainless Steel Thin-Profile Nylon-Insert Locknuts, 120PK X1E-FAS-NUT-LOC-3728x120
X1 Tools

3/8-16 Corrosion-Resistant 18-8 Stainless Steel Thin-Profile Nylon-Insert Locknuts, 120PK

Zoro # G522854812
Mfr # X1E-FAS-NUT-LOC-3728x120
product price:  $64.79
/pk 120, $0.54/ea
X1 Tools 6-32 Performance Zinc-Plated Steel Nylon-Insert Locknuts, 200PK X1E-FAS-NUT-LOC-1918x200
X1 Tools

6-32 Performance Zinc-Plated Steel Nylon-Insert Locknuts, 200PK

Zoro # G522847234
Mfr # X1E-FAS-NUT-LOC-1918x200
product price:  $24.39
/pk 200, $0.12/ea
X1 Tools 10-24 Corrosion-Resistant 18-8 Stainless Steel Thin-Profile Nylon-Insert Locknuts, 75PK X1E-FAS-NUT-LOC-3716x75
X1 Tools

10-24 Corrosion-Resistant 18-8 Stainless Steel Thin-Profile Nylon-Insert Locknuts, 75PK

Zoro # G522846503
Mfr # X1E-FAS-NUT-LOC-3716x75
product price:  $22.55
/pk 75, $0.30/ea
X1 Tools 3/4-10 Corrosion-Resistant 18-8 Stainless Steel Nylon-Insert Locknuts, 500PK X1E-FAS-NUT-LOC-2139x500
X1 Tools

3/4-10 Corrosion-Resistant 18-8 Stainless Steel Nylon-Insert Locknuts, 500PK

Zoro # G622849657
Mfr # X1E-FAS-NUT-LOC-2139x500
product price:  $3,073.99
/pk 500, $6.15/ea
X1 Tools 1 1/4-12 UHP Yellow Zinc Plated Grade 8 Steel Thin-Profile Nylon-Insert Locknuts, 250PK X1E-FAS-NUT-LOC-3040x250
X1 Tools

1 1/4-12 UHP Yellow Zinc Plated Grade 8 Steel Thin-Profile Nylon-Insert Locknuts, 250PK

Zoro # G222861745
Mfr # X1E-FAS-NUT-LOC-3040x250
product price:  $7,732.99
/pk 250, $30.93/ea
X1 Tools 5/8-18 Corrosion-Resistant 18-8 Stainless Steel Nylon-Insert Locknuts, 8PK X1E-FAS-NUT-LOC-2138x8
X1 Tools

5/8-18 Corrosion-Resistant 18-8 Stainless Steel Nylon-Insert Locknuts, 8PK

Zoro # G122857374
Mfr # X1E-FAS-NUT-LOC-2138x8
product price:  $33.59
/pk 8, $4.20/ea
X1 Tools 5/16-18 Ultra Hi Performance Black-Oxide Steel Nylon-Insert Locknuts, 6PK X1E-FAS-NUT-LOC-1214x6
X1 Tools

5/16-18 Ultra Hi Performance Black-Oxide Steel Nylon-Insert Locknuts, 6PK

Zoro # G722851161
Mfr # X1E-FAS-NUT-LOC-1214x6
product price:  $5.19
/pk 6, $0.87/ea
Lock Nuts (10,000+ items) - Page 235
  • First
  • Previous
  • 235
    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 NutsGeneral Washers
Hex Head Cap ScrewsSocket Head Cap ScrewsMachine ScrewsLock WashersSelf-Tapping Screws
10-32 nut10-32 washer10-24 washer10-32 nylon nut10-32 lock nuts
10-32 lock nut10-24 nylon10-32 stainless nut1 1 2 lock nut10-24 nylon lock 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