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
  • Deals
  • Contact Us
Added to Cart
Skip to Main Content Accessibility Statement
FREE SHIPPING on orders over $50 after you . Restrictions Apply
Zoro Homepage
Close icon
Clipboard Icon Clipboard Icon Quick Order
User Headset Icon User Headset Icon Customer Service
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

Lock Nuts (10,000+ items) - Page 82

X1 Tools 3/4-16 Corrosion-Resistant 18-8 Stainless Steel Thin-Profile Nylon-Insert Locknuts, 150PK X1E-FAS-NUT-LOC-3748x150
X1 Tools

3/4-16 Corrosion-Resistant 18-8 Stainless Steel Thin-Profile Nylon-Insert Locknuts, 150PK

Zoro # G922867849
Mfr # X1E-FAS-NUT-LOC-3748x150
product price:  $4,379.99
/pk 150, $29.20/ea
No Product Image Available
Standard Locknut

Bearing Lock Nut, Steel

Zoro # G722961822
Mfr # AN36
product price:  $140.99
/ea
X1 Tools 4-40 Corrosion-Resistant 18-8 Stainless Steel Nylon-Insert Locknuts, 12PK X1E-FAS-NUT-LOC-2114x12
X1 Tools

4-40 Corrosion-Resistant 18-8 Stainless Steel Nylon-Insert Locknuts, 12PK

Zoro # G622862410
Mfr # X1E-FAS-NUT-LOC-2114x12
product price:  $2.15
/pk 12, $0.18/ea
Oxoxo 10-24 NM Nylon Insert Hex Lock Nut 18 8 Stainless Steel Black Oxide and Oil, 2000PK 438803
Oxoxo

10-24 NM Nylon Insert Hex Lock Nut 18 8 Stainless Steel Black Oxide and Oil, 2000PK

Zoro # G422695423
Mfr # 438803
product price:  $418.99
/pk 2000, $0.21/ea
X1 Tools 3/4-10 Hi-Performance Zinc-Plated Steel Nylon-Insert Locknuts X1E-FAS-NUT-LOC-1624x1
X1 Tools

3/4-10 Hi-Performance Zinc-Plated Steel Nylon-Insert Locknuts

Zoro # G622846496
Mfr # X1E-FAS-NUT-LOC-1624x1
product price:  $2.59
/ea
X1 Tools 3/8-24 Ultra H.P. Yellow Zinc Plated Grade 8 Steel Nylon-Insert Locknuts, 20PK X1E-FAS-NUT-LOC-1020x20
X1 Tools

3/8-24 Ultra H.P. Yellow Zinc Plated Grade 8 Steel Nylon-Insert Locknuts, 20PK

Zoro # G722844606
Mfr # X1E-FAS-NUT-LOC-1020x20
product price:  $19.39
/pk 20, $0.97/ea
X1 Tools 5/8-18 Corrosion-Resistant 18-8 Stainless Steel Thin-Profile Nylon-Insert Locknuts, 8PK X1E-FAS-NUT-LOC-3744x8
X1 Tools

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

Zoro # G822850705
Mfr # X1E-FAS-NUT-LOC-3744x8
product price:  $63.29
/pk 8, $7.91/ea
X1 Tools 3/8-24 Corrosion-Resistant 18-8 Stainless Steel Nylon-Insert Locknuts X1E-FAS-NUT-LOC-2130x1
X1 Tools

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

Zoro # G022849776
Mfr # X1E-FAS-NUT-LOC-2130x1
product price:  $1.45
/ea
X1 Tools 1/4-20 Performance Zinc-Plated Steel Nylon-Insert Locknuts, 150PK X1E-FAS-NUT-LOC-1928x150
X1 Tools

1/4-20 Performance Zinc-Plated Steel Nylon-Insert Locknuts, 150PK

Zoro # G422863372
Mfr # X1E-FAS-NUT-LOC-1928x150
product price:  $25.69
/pk 150, $0.17/ea
X1 Tools 5/16-24 UHP Black-Oxide Grade 8 Steel Thin-Profile Nylon-Insert Locknuts, 400PK X1E-FAS-NUT-LOC-3216x400
X1 Tools

5/16-24 UHP Black-Oxide Grade 8 Steel Thin-Profile Nylon-Insert Locknuts, 400PK

Zoro # G222858219
Mfr # X1E-FAS-NUT-LOC-3216x400
product price:  $1,033.99
/pk 400, $2.58/ea
X1 Tools 1/4-28 UHP Yellow Zinc Plated Grade 8 Steel Thin-Profile Nylon-Insert Locknuts, 8PK X1E-FAS-NUT-LOC-3012x8
X1 Tools

1/4-28 UHP Yellow Zinc Plated Grade 8 Steel Thin-Profile Nylon-Insert Locknuts, 8PK

Zoro # G922852043
Mfr # X1E-FAS-NUT-LOC-3012x8
product price:  $19.29
/pk 8, $2.41/ea
X1 Tools 3/4-16 Hi-Performance Zinc-Plated Steel Nylon-Insert Locknuts, 2PK X1E-FAS-NUT-LOC-1625x2
X1 Tools

3/4-16 Hi-Performance Zinc-Plated Steel Nylon-Insert Locknuts, 2PK

Zoro # G022852882
Mfr # X1E-FAS-NUT-LOC-1625x2
product price:  $4.85
/pk 2, $2.43/ea
Oxoxo 5/16-24 K Lock Nut Zinc and Bake, 1500PK 183598
Oxoxo

5/16-24 K Lock Nut Zinc and Bake, 1500PK

Zoro # G222667545
Mfr # 183598
product price:  $299.99
/pk 1500, $0.20/ea
X1 Tools 3/4-10 Hi Performance Brass Nylon-Insert Locknuts, 6PK X1E-FAS-NUT-LOC-2730x6
X1 Tools

3/4-10 Hi Performance Brass Nylon-Insert Locknuts, 6PK

Zoro # G122866635
Mfr # X1E-FAS-NUT-LOC-2730x6
product price:  $281.99
/pk 6, $47.00/ea
X1 Tools 3/4-16 Ultra Hi Performance Black-Oxide Steel Nylon-Insert Locknuts, 400PK X1E-FAS-NUT-LOC-1240x400
X1 Tools

3/4-16 Ultra Hi Performance Black-Oxide Steel Nylon-Insert Locknuts, 400PK

Zoro # G922855655
Mfr # X1E-FAS-NUT-LOC-1240x400
product price:  $2,034.99
/pk 400, $5.09/ea
Oxoxo 3/8-24 Flex Type Lock Nut Full Height 18-8 Stainless Steel, 125PK 511583
Oxoxo

3/8-24 Flex Type Lock Nut Full Height 18-8 Stainless Steel, 125PK

Zoro # G022675887
Mfr # 511583
product price:  $754.99
/pk 125, $6.04/ea
X1 Tools 3/8-16 Performance Zinc-Plated Steel Nylon-Insert Locknuts, 6PK X1E-FAS-NUT-LOC-1936x6
X1 Tools

3/8-16 Performance Zinc-Plated Steel Nylon-Insert Locknuts, 6PK

Zoro # G922852562
Mfr # X1E-FAS-NUT-LOC-1936x6
product price:  $2.19
/pk 6, $0.37/ea
Newport Fasteners Nylon Insert Lock Nut, 1/4"-20, 18-8 Stainless Steel, Not Graded, 7000 PK 621904-BR-7000
Newport Fasteners

Nylon Insert Lock Nut, 1/4"-20, 18-8 Stainless Steel, Not Graded, 7000 PK

Zoro # G906329745
Mfr # 621904-BR-7000
product price:  $896.99
/pk 7000, $0.13/ea
X1 Tools M18 x 2.5 mm Hi-Performance Yellow Zinc Plated Steel Nylon-Insert Locknuts, 400PK X1E-FAS-NUT-LOC-1528x400
X1 Tools

M18 x 2.5 mm Hi-Performance Yellow Zinc Plated Steel Nylon-Insert Locknuts, 400PK

Zoro # G722846273
Mfr # X1E-FAS-NUT-LOC-1528x400
product price:  $2,133.99
/pk 400, $5.33/ea
X1 Tools 1 1/8-7 Corrosion-Resistant 18-8 Stainless Steel Nylon-Insert Locknuts, 6PK X1E-FAS-NUT-LOC-2146x6
X1 Tools

1 1/8-7 Corrosion-Resistant 18-8 Stainless Steel Nylon-Insert Locknuts, 6PK

Zoro # G822851122
Mfr # X1E-FAS-NUT-LOC-2146x6
product price:  $153.99
/pk 6, $25.67/ea
X1 Tools 1 1/8-7 Hi-Performance Zinc-Plated Steel Nylon-Insert Locknuts, 20PK X1E-FAS-NUT-LOC-1630x20
X1 Tools

1 1/8-7 Hi-Performance Zinc-Plated Steel Nylon-Insert Locknuts, 20PK

Zoro # G622844744
Mfr # X1E-FAS-NUT-LOC-1630x20
product price:  $174.99
/pk 20, $8.75/ea
X1 Tools 5/8-18 Performance Zinc-Plated Steel Thin-Profile Nylon-Insert Locknuts, 150PK X1E-FAS-NUT-LOC-3452x150
X1 Tools

5/8-18 Performance Zinc-Plated Steel Thin-Profile Nylon-Insert Locknuts, 150PK

Zoro # G322849179
Mfr # X1E-FAS-NUT-LOC-3452x150
product price:  $116.99
/pk 150, $0.78/ea
X1 Tools 7/8-14 Ultra H.P. Yellow Zinc Plated Grade 8 Steel Nylon-Insert Locknuts, 15PK X1E-FAS-NUT-LOC-1044x15
X1 Tools

7/8-14 Ultra H.P. Yellow Zinc Plated Grade 8 Steel Nylon-Insert Locknuts, 15PK

Zoro # G922844352
Mfr # X1E-FAS-NUT-LOC-1044x15
product price:  $78.95
/pk 15, $5.26/ea
X1 Tools 1 1/4-7 Ultra Hi Performance Black-Oxide Steel Nylon-Insert Locknuts, 500PK X1E-FAS-NUT-LOC-1254x500
X1 Tools

1 1/4-7 Ultra Hi Performance Black-Oxide Steel Nylon-Insert Locknuts, 500PK

Zoro # G022847659
Mfr # X1E-FAS-NUT-LOC-1254x500
product price:  $16,774.99
/pk 500, $33.55/ea
X1 Tools 3/4-16 Ultra Hi Performance Black-Oxide Steel Nylon-Insert Locknuts, 8PK X1E-FAS-NUT-LOC-1240x8
X1 Tools

3/4-16 Ultra Hi Performance Black-Oxide Steel Nylon-Insert Locknuts, 8PK

Zoro # G022855562
Mfr # X1E-FAS-NUT-LOC-1240x8
product price:  $37.69
/pk 8, $4.71/ea
X1 Tools 5/8-11 Performance Zinc-Plated Steel Nylon-Insert Locknuts, 10PK X1E-FAS-NUT-LOC-1952x10
X1 Tools

5/8-11 Performance Zinc-Plated Steel Nylon-Insert Locknuts, 10PK

Zoro # G522845346
Mfr # X1E-FAS-NUT-LOC-1952x10
product price:  $17.99
/pk 10, $1.80/ea
X1 Tools 7/16-20 UHP Black-Oxide Grade 8 Steel Thin-Profile Nylon-Insert Locknuts, 25PK X1E-FAS-NUT-LOC-3222x25
X1 Tools

7/16-20 UHP Black-Oxide Grade 8 Steel Thin-Profile Nylon-Insert Locknuts, 25PK

Zoro # G322847878
Mfr # X1E-FAS-NUT-LOC-3222x25
product price:  $62.55
/pk 25, $2.50/ea
X1 Tools 8-32 Corrosion-Resistant 18-8 Stainless Steel Nylon-Insert Locknuts, 1000PK X1E-FAS-NUT-LOC-2119x1000
X1 Tools

8-32 Corrosion-Resistant 18-8 Stainless Steel Nylon-Insert Locknuts, 1000PK

Zoro # G122845067
Mfr # X1E-FAS-NUT-LOC-2119x1000
product price:  $146.99
/pk 1000, $0.15/ea
X1 Tools 3/4-10 Corrosion-Resistant 18-8 Stainless Steel Nylon-Insert Locknuts, 15PK X1E-FAS-NUT-LOC-2139x15
X1 Tools

3/4-10 Corrosion-Resistant 18-8 Stainless Steel Nylon-Insert Locknuts, 15PK

Zoro # G122847818
Mfr # X1E-FAS-NUT-LOC-2139x15
product price:  $78.29
/pk 15, $5.22/ea
X1 Tools 1/4-20 Performance Zinc-Plated Steel Thin-Profile Nylon-Insert Locknuts, 500PK X1E-FAS-NUT-LOC-3426x500
X1 Tools

1/4-20 Performance Zinc-Plated Steel Thin-Profile Nylon-Insert Locknuts, 500PK

Zoro # G322844884
Mfr # X1E-FAS-NUT-LOC-3426x500
product price:  $68.65
/pk 500, $0.14/ea
X1 Tools 1-14 Corrosion-Resistant 18-8 Stainless Steel Thin-Profile Nylon-Insert Locknuts, 75PK X1E-FAS-NUT-LOC-3756x75
X1 Tools

1-14 Corrosion-Resistant 18-8 Stainless Steel Thin-Profile Nylon-Insert Locknuts, 75PK

Zoro # G122845326
Mfr # X1E-FAS-NUT-LOC-3756x75
product price:  $3,004.99
/pk 75, $40.07/ea
X1 Tools 1 1/2-6 Corrosion-Resistant 18-8 Stainless Steel Nylon-Insert Locknuts, 25PK X1E-FAS-NUT-LOC-2149x25
X1 Tools

1 1/2-6 Corrosion-Resistant 18-8 Stainless Steel Nylon-Insert Locknuts, 25PK

Zoro # G422853946
Mfr # X1E-FAS-NUT-LOC-2149x25
product price:  $1,298.99
/pk 25, $51.96/ea
X1 Tools 7/16-20 Ultra Hi Performance Black-Oxide Steel Nylon-Insert Locknuts, 2PK X1E-FAS-NUT-LOC-1224x2
X1 Tools

7/16-20 Ultra Hi Performance Black-Oxide Steel Nylon-Insert Locknuts, 2PK

Zoro # G822846319
Mfr # X1E-FAS-NUT-LOC-1224x2
product price:  $3.39
/pk 2, $1.70/ea
X1 Tools 1/2-20 Corrosion-Resistant 18-8 Stainless Steel Thin-Profile Nylon-Insert Locknuts, 50PK X1E-FAS-NUT-LOC-3738x50
X1 Tools

1/2-20 Corrosion-Resistant 18-8 Stainless Steel Thin-Profile Nylon-Insert Locknuts, 50PK

Zoro # G622860829
Mfr # X1E-FAS-NUT-LOC-3738x50
product price:  $105.99
/pk 50, $2.12/ea
X1 Tools 3/8-24 Corrosion-Resistant 316 Stainless Steel Nylon-Insert Locknuts, 200PK X1E-FAS-NUT-LOC-2334x200
X1 Tools

3/8-24 Corrosion-Resistant 316 Stainless Steel Nylon-Insert Locknuts, 200PK

Zoro # G422864485
Mfr # X1E-FAS-NUT-LOC-2334x200
product price:  $177.99
/pk 200, $0.89/ea
X1 Tools 12-24 Performance Zinc-Plated Steel Thin-Profile Nylon-Insert Locknuts, 1000PK X1E-FAS-NUT-LOC-3424x1000
X1 Tools

12-24 Performance Zinc-Plated Steel Thin-Profile Nylon-Insert Locknuts, 1000PK

Zoro # G522858810
Mfr # X1E-FAS-NUT-LOC-3424x1000
product price:  $162.99
/pk 1000, $0.16/ea
Lock Nuts (10,000+ items) - Page 82
  • First
  • Previous
  • 82
    of 277 pages
  • Next
  • Last
How was your search?

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 NutsCap Nuts & Acorn NutsGeneral Washers
Hex Head Cap ScrewsSocket Head Cap ScrewsMachine ScrewsLock WashersSelf-Tapping Screws
flanged locknutlock nut nylon insertlock nut 5/16-183/8-16 nuts stainless steelnylon-insert locknuts
5/16-18 stainless steel boltdistorted thread lock nutserrated flange lock nutnylon insert flange nut3/8" flange nuts

Sign up and 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
  • Deals
  • Sitemap
  • Track My Order

Services

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

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