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
Clipboard Icon Clipboard Icon Quick Order
User Headset Icon User Headset Icon Support
0
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 66

X1 Tools M2 x 0.4 mm Black-Oxide C.R. 18-8 Stainless Steel Nylon-Insert Locknuts X1E-FAS-NUT-LOC-2256x1
X1 Tools

M2 x 0.4 mm Black-Oxide C.R. 18-8 Stainless Steel Nylon-Insert Locknuts

Zoro # G422848508
Mfr # X1E-FAS-NUT-LOC-2256x1
product price: 
$5.39
/ea
Sold in mult. of 2 for $10.78
X1 Tools 3/8-24 Black-Oxide Corrosion-Resistant 18-8 Stainless Steel Thin-Profile Nylon-Insert Locknut, 500PK X1E-FAS-NUT-LOC-3826x500
X1 Tools

3/8-24 Black-Oxide Corrosion-Resistant 18-8 Stainless Steel Thin-Profile Nylon-Insert Locknut, 500PK

Zoro # G022863345
Mfr # X1E-FAS-NUT-LOC-3826x500
product price: 
$509.99
/pk of 500, $1.02/ea
X1 Tools 1/2-13 UHP Yellow Zinc Plated Grade 8 Steel Thin-Profile Nylon-Insert Locknuts, 500PK X1E-FAS-NUT-LOC-3026x500
X1 Tools

1/2-13 UHP Yellow Zinc Plated Grade 8 Steel Thin-Profile Nylon-Insert Locknuts, 500PK

Zoro # G122852515
Mfr # X1E-FAS-NUT-LOC-3026x500
product price: 
$800.99
/pk of 500, $1.60/ea
X1 Tools M10 x 1.5 mm Performance Zinc-Plated Steel Nylon-Insert Locknuts X1E-FAS-NUT-LOC-1980x1
X1 Tools

M10 x 1.5 mm Performance Zinc-Plated Steel Nylon-Insert Locknuts

Zoro # G922862219
Mfr # X1E-FAS-NUT-LOC-1980x1
product price: 
$1.15
/ea
Sold in mult. of 9 for $10.35
Zoro Select Lock Nut, 3/4"-10, Steel, Wax, 50 PK 75NXLTH
Zoro Select

Lock Nut, 3/4"-10, Steel, Wax, 50 PK

Zoro # G2454969
Mfr # 75NXLTH
product price: 
$161.99
/pk of 50, $3.24/ea
Zoro Select Lock Nut, Stainless Steel, 3/32", PK2 FLJNFIX031SLV-002P
Zoro Select

Lock Nut, Stainless Steel, 3/32", PK2

Zoro # G422963171
Mfr # FLJNFIX031SLV-002P
product price: 
$17.49
/pk of 2, $8.75/ea
X1 Tools 8-32 Performance Black-Corrosion-Resistant-Coated Steel Thin-Profile Nylon-Insert Locknuts, 250PK X1E-FAS-NUT-LOC-3612x250
X1 Tools

8-32 Performance Black-Corrosion-Resistant-Coated Steel Thin-Profile Nylon-Insert Locknuts, 250PK

Zoro # G322867647
Mfr # X1E-FAS-NUT-LOC-3612x250
product price: 
$850.99
/pk of 250, $3.40/ea
X1 Tools 6-32 Performance Zinc-Plated Steel Nylon-Insert Locknuts X1E-FAS-NUT-LOC-1918x1
X1 Tools

6-32 Performance Zinc-Plated Steel Nylon-Insert Locknuts

Zoro # G522866679
Mfr # X1E-FAS-NUT-LOC-1918x1
product price: 
$0.56
/ea
Sold in mult. of 17 for $9.52
X1 Tools 3/4-16 Performance Zinc-Plated Steel Nylon-Insert Locknuts, 50PK X1E-FAS-NUT-LOC-1958x50
X1 Tools

3/4-16 Performance Zinc-Plated Steel Nylon-Insert Locknuts, 50PK

Zoro # G122846392
Mfr # X1E-FAS-NUT-LOC-1958x50
product price: 
$87.65
/pk of 50, $1.75/ea
X1 Tools 3/8-24 Black-Oxide C.R. 18-8 Stainless Steel Nylon-Insert Locknuts, 120PK X1E-FAS-NUT-LOC-2242x120
X1 Tools

3/8-24 Black-Oxide C.R. 18-8 Stainless Steel Nylon-Insert Locknuts, 120PK

Zoro # G922865265
Mfr # X1E-FAS-NUT-LOC-2242x120
product price: 
$337.99
/pk of 120, $2.82/ea
X1 Tools M4 x 0.7 mm Performance Zinc-Plated Steel Nylon-Insert Locknuts, 10PK X1E-FAS-NUT-LOC-1972x10
X1 Tools

M4 x 0.7 mm Performance Zinc-Plated Steel Nylon-Insert Locknuts, 10PK

Zoro # G622851131
Mfr # X1E-FAS-NUT-LOC-1972x10
product price: 
$1.89
/pk of 10, $0.19/ea
Sold in mult. of 5 pks for $9.45
X1 Tools 1 1/2-12 Ultra H.P. Yellow Zinc Plated Grade 8 Steel Nylon-Insert Locknuts, 25PK X1E-FAS-NUT-LOC-1066x25
X1 Tools

1 1/2-12 Ultra H.P. Yellow Zinc Plated Grade 8 Steel Nylon-Insert Locknuts, 25PK

Zoro # G122850191
Mfr # X1E-FAS-NUT-LOC-1066x25
product price: 
$1,633.99
/pk of 25, $65.36/ea
X1 Tools 3/4-16 Hi Performance Zinc-Plated Steel Thin-Profile Nylon-Insert Locknuts X1E-FAS-NUT-LOC-3316x1
X1 Tools

3/4-16 Hi Performance Zinc-Plated Steel Thin-Profile Nylon-Insert Locknuts

Zoro # G622865664
Mfr # X1E-FAS-NUT-LOC-3316x1
product price: 
$3.39
/ea
Sold in mult. of 3 for $10.17
X1 Tools 5/16-18 Performance Black-Corrosion-Resistant-Coated Steel Nylon-Ins. Locknuts, 20PK X1E-FAS-NUT-LOC-2020x20
X1 Tools

5/16-18 Performance Black-Corrosion-Resistant-Coated Steel Nylon-Ins. Locknuts, 20PK

Zoro # G122860947
Mfr # X1E-FAS-NUT-LOC-2020x20
product price: 
$87.29
/pk of 20, $4.36/ea
X1 Tools 7/8-14 UHP Yellow Zinc Plated Grade 8 Steel Thin-Profile Nylon-Insert Locknuts X1E-FAS-NUT-LOC-3036x1
X1 Tools

7/8-14 UHP Yellow Zinc Plated Grade 8 Steel Thin-Profile Nylon-Insert Locknuts

Zoro # G422864867
Mfr # X1E-FAS-NUT-LOC-3036x1
product price: 
$16.39
/ea
X1 Tools 5-40 Performance Zinc-Plated Steel Nylon-Insert Locknuts, 50PK X1E-FAS-NUT-LOC-1916x50
X1 Tools

5-40 Performance Zinc-Plated Steel Nylon-Insert Locknuts, 50PK

Zoro # G122858647
Mfr # X1E-FAS-NUT-LOC-1916x50
product price: 
$5.95
/pk of 50, $0.12/ea
Sold in mult. of 2 pks for $11.90
Zoro Select Lock Nut, #10-24, Steel, Wax, 1000 PK 10NXL
Zoro Select

Lock Nut, #10-24, Steel, Wax, 1000 PK

Zoro # G2454171
Mfr # 10NXL
product price: 
$472.99
/pk of 1000, $0.47/ea
X1 Tools 1 1/8-7 Performance Zinc-Plated Steel Nylon-Insert Locknuts, 150PK X1E-FAS-NUT-LOC-1968x150
X1 Tools

1 1/8-7 Performance Zinc-Plated Steel Nylon-Insert Locknuts, 150PK

Zoro # G322854197
Mfr # X1E-FAS-NUT-LOC-1968x150
product price: 
$1,720.99
/pk of 150, $11.47/ea
X1 Tools 3/8-24 Corrosion-Resistant 316 Stainless Steel Thin-Profile Nylon-Insert Locknuts, 6PK X1E-FAS-NUT-LOC-3924x6
X1 Tools

3/8-24 Corrosion-Resistant 316 Stainless Steel Thin-Profile Nylon-Insert Locknuts, 6PK

Zoro # G922850230
Mfr # X1E-FAS-NUT-LOC-3924x6
product price: 
$12.39
/pk of 6, $2.07/ea
Oxoxo M16-2.00 Din 985 Metric Nylon Insert Hex Locknut A4 Stainless Steel, 200PK 557756
Oxoxo

M16-2.00 Din 985 Metric Nylon Insert Hex Locknut A4 Stainless Steel, 200PK

Zoro # G022695731
Mfr # 557756
product price: 
$780.99
/pk of 200, $3.90/ea
Oxoxo 10-32 K Lock Nut Zinc Green and Bake, 4000PK 498892
Oxoxo

10-32 K Lock Nut Zinc Green and Bake, 4000PK

Zoro # G522686260
Mfr # 498892
product price: 
$396.99
/pk of 4000, $0.10/ea
Standard Locknut Bearing Lock Nut, Steel AN32
Standard Locknut

Bearing Lock Nut, Steel

Zoro # G322963752
Mfr # AN32
product price: 
$106.99
/ea
X1 Tools 1/2-20 Performance Zinc-Plated Steel Nylon-Insert Locknuts, 100PK X1E-FAS-NUT-LOC-1946x100
X1 Tools

1/2-20 Performance Zinc-Plated Steel Nylon-Insert Locknuts, 100PK

Zoro # G822847187
Mfr # X1E-FAS-NUT-LOC-1946x100
product price: 
$72.49
/pk of 100, $0.72/ea
X1 Tools M27 x 2 mm Hi-Performance Zinc-Plated Steel Nylon-Insert Locknuts, 1000PK X1E-FAS-NUT-LOC-1664x1000
X1 Tools

M27 x 2 mm Hi-Performance Zinc-Plated Steel Nylon-Insert Locknuts, 1000PK

Zoro # G622846137
Mfr # X1E-FAS-NUT-LOC-1664x1000
product price: 
$24,758.99
/pk of 1000, $24.76/ea
Zoro Select Lock Nut, #10-32, Steel, Wax, 1000 PK 11NXLTH
Zoro Select

Lock Nut, #10-32, Steel, Wax, 1000 PK

Zoro # G2454643
Mfr # 11NXLTH
product price: 
$261.99
/pk of 1000, $0.26/ea
X1 Tools 3/8-24 UHP Yellow Zinc Plated Grade 8 Steel Thin-Profile Nylon-Insert Locknuts X1E-FAS-NUT-LOC-3020x1
X1 Tools

3/8-24 UHP Yellow Zinc Plated Grade 8 Steel Thin-Profile Nylon-Insert Locknuts

Zoro # G922847155
Mfr # X1E-FAS-NUT-LOC-3020x1
product price: 
$1.25
/ea
Sold in mult. of 8 for $10.00
X1 Tools 5/16-18 Performance Zinc-Plated Steel Thin-Profile Nylon-Insert Locknuts, 400PK X1E-FAS-NUT-LOC-3430x400
X1 Tools

5/16-18 Performance Zinc-Plated Steel Thin-Profile Nylon-Insert Locknuts, 400PK

Zoro # G922854320
Mfr # X1E-FAS-NUT-LOC-3430x400
product price: 
$67.99
/pk of 400, $0.17/ea
Zoro Select Lock Nut, #2-4.5, Steel, Grade C, Wax, 1.134 in Ht, 5 PK 200NO
Zoro Select

Lock Nut, #2-4.5, Steel, Grade C, Wax, 1.134 in Ht, 5 PK

Zoro # G2447689
Mfr # 200NO
product price: 
$246.99
/pk of 5, $49.40/ea
X1 Tools 2-56 Performance Zinc-Plated Steel Nylon-Insert Locknuts, 8PK X1E-FAS-NUT-LOC-1910x8
X1 Tools

2-56 Performance Zinc-Plated Steel Nylon-Insert Locknuts, 8PK

Zoro # G922863568
Mfr # X1E-FAS-NUT-LOC-1910x8
product price: 
$1.55
/pk of 8, $0.19/ea
Sold in mult. of 6 pks for $9.30
X1 Tools 3/4-16 Corrosion-Resistant 18-8 Stainless Steel Thin-Profile Nylon-Insert Locknuts X1E-FAS-NUT-LOC-3748x1
X1 Tools

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

Zoro # G322856429
Mfr # X1E-FAS-NUT-LOC-3748x1
product price: 
$37.75
/ea
X1 Tools 1 1/4-7 Performance Zinc-Plated Steel Nylon-Insert Locknuts, 25PK X1E-FAS-NUT-LOC-1970x25
X1 Tools

1 1/4-7 Performance Zinc-Plated Steel Nylon-Insert Locknuts, 25PK

Zoro # G922862332
Mfr # X1E-FAS-NUT-LOC-1970x25
product price: 
$403.99
/pk of 25, $16.16/ea
X1 Tools 3/8-24 Corrosion-Resistant 316 Stainless Steel Thin-Profile Nylon-Insert Locknuts X1E-FAS-NUT-LOC-3924x1
X1 Tools

3/8-24 Corrosion-Resistant 316 Stainless Steel Thin-Profile Nylon-Insert Locknuts

Zoro # G122858364
Mfr # X1E-FAS-NUT-LOC-3924x1
product price: 
$2.15
/ea
Sold in mult. of 5 for $10.75
X1 Tools 5/16-24 Corrosion-Resistant 316 Stainless Steel Thin-Profile Nylon-Insert Locknuts X1E-FAS-NUT-LOC-3920x1
X1 Tools

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

Zoro # G922851336
Mfr # X1E-FAS-NUT-LOC-3920x1
product price: 
$1.65
/ea
Sold in mult. of 6 for $9.90
X1 Tools 1-14 Hi-Performance Zinc-Plated Steel Nylon-Insert Locknuts, 50PK X1E-FAS-NUT-LOC-1629x50
X1 Tools

1-14 Hi-Performance Zinc-Plated Steel Nylon-Insert Locknuts, 50PK

Zoro # G022865905
Mfr # X1E-FAS-NUT-LOC-1629x50
product price: 
$285.99
/pk of 50, $5.72/ea
X1 Tools 3/4-16 Performance Zinc-Plated Steel Nylon-Insert Locknuts, 500PK X1E-FAS-NUT-LOC-1958x500
X1 Tools

3/4-16 Performance Zinc-Plated Steel Nylon-Insert Locknuts, 500PK

Zoro # G022851229
Mfr # X1E-FAS-NUT-LOC-1958x500
product price: 
$885.99
/pk of 500, $1.77/ea
X1 Tools M4 x 0.7 mm Performance Zinc-Plated Steel Nylon-Insert Locknuts, 6PK X1E-FAS-NUT-LOC-1972x6
X1 Tools

M4 x 0.7 mm Performance Zinc-Plated Steel Nylon-Insert Locknuts, 6PK

Zoro # G322862079
Mfr # X1E-FAS-NUT-LOC-1972x6
product price: 
$1.35
/pk of 6, $0.23/ea
Sold in mult. of 7 pks for $9.45
Lock Nuts (10,000+ items) - Page 66
  • First
  • Previous
  • 66
    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 NutsCoupling NutsFlange NutsWing NutsGeneral Washers
Hex Head Cap ScrewsMachine ScrewsSocket Head Cap ScrewsLock WashersSelf-Tapping Screws
1/2" flange lock nut3/8-16 nuts stainless steellock nut 5/16-181/4" locking nutnylon insert hex nut
5/16-24 nutsnylon-insert locknutsn-10 lock nut5/16-18 nylon locking nut10mm 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