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 260

Newport Fasteners Flexible Top Lock Nut, 1/2"-13, Steel, Cadmium Plated NB217480B-1
Newport Fasteners

Flexible Top Lock Nut, 1/2"-13, Steel, Cadmium Plated

Zoro # G606332687
Mfr # NB217480B-1
product price: 
$43.15
/ea
X1 Tools 5/16-18 Performance Black-Corrosion-Resistant-Coated Steel Thin-Profile Nylon-Insert Locknuts, 75PK X1E-FAS-NUT-LOC-3620x75
X1 Tools

5/16-18 Performance Black-Corrosion-Resistant-Coated Steel Thin-Profile Nylon-Insert Locknuts, 75PK

Zoro # G322854654
Mfr # X1E-FAS-NUT-LOC-3620x75
product price: 
$313.99
/pk of 75, $4.19/ea
X1 Tools M24 x 3 mm Performance Zinc-Plated Steel Thin-Profile Nylon-Insert Locknuts, 8PK X1E-FAS-NUT-LOC-3498x8
X1 Tools

M24 x 3 mm Performance Zinc-Plated Steel Thin-Profile Nylon-Insert Locknuts, 8PK

Zoro # G922860079
Mfr # X1E-FAS-NUT-LOC-3498x8
product price: 
$233.99
/pk of 8, $29.25/ea
X1 Tools 5/16-18 Performance Black-Corrosion-Resistant-Coated Steel Nylon-Ins. Locknuts, 6PK X1E-FAS-NUT-LOC-2020x6
X1 Tools

5/16-18 Performance Black-Corrosion-Resistant-Coated Steel Nylon-Ins. Locknuts, 6PK

Zoro # G422864775
Mfr # X1E-FAS-NUT-LOC-2020x6
product price: 
$31.55
/pk of 6, $5.26/ea
X1 Tools 1/4-28 Ultra Hi Performance Black-Oxide Steel Nylon-Insert Locknuts, 150PK X1E-FAS-NUT-LOC-1212x150
X1 Tools

1/4-28 Ultra Hi Performance Black-Oxide Steel Nylon-Insert Locknuts, 150PK

Zoro # G922854979
Mfr # X1E-FAS-NUT-LOC-1212x150
product price: 
$75.75
/pk of 150, $0.51/ea
No Product Image Available
Skf

Lock Nut

Zoro # G112301962
Mfr # KM7
product price: 
$32.39
/ea
Boltsandnuts.Com Top Lock Lock Nut, M10-1.5, Class 10, Zinc Plated, 250 PK M10CPTN10Z-250
Boltsandnuts.Com

Top Lock Lock Nut, M10-1.5, Class 10, Zinc Plated, 250 PK

Zoro # G214494920
Mfr # M10CPTN10Z-250
product price: 
$119.99
/pk of 250, $0.48/ea
X1 Tools 1/2-20 UHP Black-Oxide Grade 8 Steel Thin-Profile Nylon-Insert Locknuts, 1000PK X1E-FAS-NUT-LOC-3226x1000
X1 Tools

1/2-20 UHP Black-Oxide Grade 8 Steel Thin-Profile Nylon-Insert Locknuts, 1000PK

Zoro # G322859444
Mfr # X1E-FAS-NUT-LOC-3226x1000
product price: 
$3,841.99
/pk of 1000, $3.84/ea
X1 Tools 3/8-16 Corrosion-Resistant 316 Stainless Steel Thin-Profile Nylon-Insert Locknuts, 200PK X1E-FAS-NUT-LOC-3922x200
X1 Tools

3/8-16 Corrosion-Resistant 316 Stainless Steel Thin-Profile Nylon-Insert Locknuts, 200PK

Zoro # G522857004
Mfr # X1E-FAS-NUT-LOC-3922x200
product price: 
$249.99
/pk of 200, $1.25/ea
X1 Tools 1/2-20 Corrosion-Resistant 18-8 Stainless Steel Nylon-Insert Locknuts, 6PK X1E-FAS-NUT-LOC-2134x6
X1 Tools

1/2-20 Corrosion-Resistant 18-8 Stainless Steel Nylon-Insert Locknuts, 6PK

Zoro # G222865330
Mfr # X1E-FAS-NUT-LOC-2134x6
product price: 
$16.79
/pk of 6, $2.80/ea
X1 Tools 5/16-24 Performance Zinc-Plated Steel Thin-Profile Nylon-Insert Locknuts, 75PK X1E-FAS-NUT-LOC-3432x75
X1 Tools

5/16-24 Performance Zinc-Plated Steel Thin-Profile Nylon-Insert Locknuts, 75PK

Zoro # G622861529
Mfr # X1E-FAS-NUT-LOC-3432x75
product price: 
$17.39
/pk of 75, $0.23/ea
X1 Tools 5/8-11 Ultra Hi Performance Black-Oxide Steel Nylon-Insert Locknuts, 200PK X1E-FAS-NUT-LOC-1234x200
X1 Tools

5/8-11 Ultra Hi Performance Black-Oxide Steel Nylon-Insert Locknuts, 200PK

Zoro # G122848358
Mfr # X1E-FAS-NUT-LOC-1234x200
product price: 
$567.99
/pk of 200, $2.84/ea
X1 Tools 3/4-16 Ultra Hi Performance Black-Oxide Steel Nylon-Insert Locknuts, 20PK X1E-FAS-NUT-LOC-1240x20
X1 Tools

3/4-16 Ultra Hi Performance Black-Oxide Steel Nylon-Insert Locknuts, 20PK

Zoro # G022846492
Mfr # X1E-FAS-NUT-LOC-1240x20
product price: 
$87.15
/pk of 20, $4.36/ea
X1 Tools 1/4-28 Corrosion-Resistant 18-8 Stainless Steel Nylon-Insert Locknuts, 500PK X1E-FAS-NUT-LOC-2126x500
X1 Tools

1/4-28 Corrosion-Resistant 18-8 Stainless Steel Nylon-Insert Locknuts, 500PK

Zoro # G622848803
Mfr # X1E-FAS-NUT-LOC-2126x500
product price: 
$140.99
/pk of 500, $0.28/ea
X1 Tools 3/8-24 Performance Zinc-Plated Steel Nylon-Insert Locknuts, 15PK X1E-FAS-NUT-LOC-1938x15
X1 Tools

3/8-24 Performance Zinc-Plated Steel Nylon-Insert Locknuts, 15PK

Zoro # G722853585
Mfr # X1E-FAS-NUT-LOC-1938x15
product price: 
$4.69
/pk of 15, $0.31/ea
Sold in mult. of 2 pks for $9.38
X1 Tools 9/16-18 Corrosion-Resistant 18-8 Stainless Steel Nylon-Insert Locknuts, 12PK X1E-FAS-NUT-LOC-2136x12
X1 Tools

9/16-18 Corrosion-Resistant 18-8 Stainless Steel Nylon-Insert Locknuts, 12PK

Zoro # G222859933
Mfr # X1E-FAS-NUT-LOC-2136x12
product price: 
$64.99
/pk of 12, $5.42/ea
X1 Tools 7/8-9 Corrosion-Resistant 18-8 Stainless Steel Thin-Profile Nylon-Insert Locknuts, 8PK X1E-FAS-NUT-LOC-3750x8
X1 Tools

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

Zoro # G122862507
Mfr # X1E-FAS-NUT-LOC-3750x8
product price: 
$166.99
/pk of 8, $20.87/ea
X1 Tools 1/4-20 Corrosion-Resistant 18-8 Stainless Steel Thin-Profile Nylon-Insert Locknuts, 200PK X1E-FAS-NUT-LOC-3720x200
X1 Tools

1/4-20 Corrosion-Resistant 18-8 Stainless Steel Thin-Profile Nylon-Insert Locknuts, 200PK

Zoro # G222867747
Mfr # X1E-FAS-NUT-LOC-3720x200
product price: 
$61.55
/pk of 200, $0.31/ea
X1 Tools 1/2-20 Black-Oxide C.R. 18-8 Stainless Steel Nylon-Insert Locknuts, 6PK X1E-FAS-NUT-LOC-2250x6
X1 Tools

1/2-20 Black-Oxide C.R. 18-8 Stainless Steel Nylon-Insert Locknuts, 6PK

Zoro # G622853067
Mfr # X1E-FAS-NUT-LOC-2250x6
product price: 
$42.99
/pk of 6, $7.17/ea
X1 Tools 5/16-24 Performance Zinc-Plated Steel Nylon-Insert Locknuts, 75PK X1E-FAS-NUT-LOC-1934x75
X1 Tools

5/16-24 Performance Zinc-Plated Steel Nylon-Insert Locknuts, 75PK

Zoro # G222866023
Mfr # X1E-FAS-NUT-LOC-1934x75
product price: 
$17.19
/pk of 75, $0.23/ea
X1 Tools M16 x 2 mm Performance Zinc-Plated Steel Nylon-Insert Locknuts, 400PK X1E-FAS-NUT-LOC-1986x400
X1 Tools

M16 x 2 mm Performance Zinc-Plated Steel Nylon-Insert Locknuts, 400PK

Zoro # G722861436
Mfr # X1E-FAS-NUT-LOC-1986x400
product price: 
$813.99
/pk of 400, $2.03/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 of 6, $6.04/ea
Whittet-Higgins 12 Threads per Inch, 7-11/16 in. Outside Diameter NH-30
Whittet-Higgins

12 Threads per Inch, 7-11/16 in. Outside Diameter

Zoro # G812509811
Mfr # NH-30
product price: 
$347.99
/ea
X1 Tools 3/8-24 UHP Black-Oxide Grade 8 Steel Thin-Profile Nylon-Insert Locknuts, 50PK X1E-FAS-NUT-LOC-3220x50
X1 Tools

3/8-24 UHP Black-Oxide Grade 8 Steel Thin-Profile Nylon-Insert Locknuts, 50PK

Zoro # G022849684
Mfr # X1E-FAS-NUT-LOC-3220x50
product price: 
$91.49
/pk of 50, $1.83/ea
X1 Tools 1/4-28 Corrosion-Resistant 18-8 Stainless Steel Nylon-Insert Locknuts, 25PK X1E-FAS-NUT-LOC-2126x25
X1 Tools

1/4-28 Corrosion-Resistant 18-8 Stainless Steel Nylon-Insert Locknuts, 25PK

Zoro # G922848077
Mfr # X1E-FAS-NUT-LOC-2126x25
product price: 
$11.89
/pk of 25, $0.48/ea
X1 Tools M14 x 2 mm Performance Zinc-Plated Steel Thin-Profile Nylon-Insert Locknuts, 120PK X1E-FAS-NUT-LOC-3490x120
X1 Tools

M14 x 2 mm Performance Zinc-Plated Steel Thin-Profile Nylon-Insert Locknuts, 120PK

Zoro # G622859205
Mfr # X1E-FAS-NUT-LOC-3490x120
product price: 
$425.99
/pk of 120, $3.55/ea
X1 Tools 3/8-16 Corrosion-Resistant 316 Stainless Steel Thin-Profile Nylon-Insert Locknuts, 1000PK X1E-FAS-NUT-LOC-3922x1000
X1 Tools

3/8-16 Corrosion-Resistant 316 Stainless Steel Thin-Profile Nylon-Insert Locknuts, 1000PK

Zoro # G322845584
Mfr # X1E-FAS-NUT-LOC-3922x1000
product price: 
$1,172.99
/pk of 1000, $1.17/ea
X1 Tools 1 1/2-6 Hi Performance Zinc-Plated Steel Thin-Profile Nylon-Insert Locknuts, 1000PK X1E-FAS-NUT-LOC-3330x1000
X1 Tools

1 1/2-6 Hi Performance Zinc-Plated Steel Thin-Profile Nylon-Insert Locknuts, 1000PK

Zoro # G222847374
Mfr # X1E-FAS-NUT-LOC-3330x1000
product price: 
$54,115.99
/pk of 1000, $54.12/ea
X1 Tools M14 x 2 mm Performance Zinc-Plated Steel Nylon-Insert Locknuts, 150PK X1E-FAS-NUT-LOC-1984x150
X1 Tools

M14 x 2 mm Performance Zinc-Plated Steel Nylon-Insert Locknuts, 150PK

Zoro # G022863079
Mfr # X1E-FAS-NUT-LOC-1984x150
product price: 
$170.99
/pk of 150, $1.14/ea
X1 Tools 1-14 UHP Yellow Zinc Plated Grade 8 Steel Thin-Profile Nylon-Insert Locknuts, 100PK X1E-FAS-NUT-LOC-3038x100
X1 Tools

1-14 UHP Yellow Zinc Plated Grade 8 Steel Thin-Profile Nylon-Insert Locknuts, 100PK

Zoro # G322851134
Mfr # X1E-FAS-NUT-LOC-3038x100
product price: 
$1,366.99
/pk of 100, $13.67/ea
X1 Tools 1 1/2-6 Hi Performance Zinc-Plated Steel Thin-Profile Nylon-Insert Locknuts, 4PK X1E-FAS-NUT-LOC-3330x4
X1 Tools

1 1/2-6 Hi Performance Zinc-Plated Steel Thin-Profile Nylon-Insert Locknuts, 4PK

Zoro # G222847121
Mfr # X1E-FAS-NUT-LOC-3330x4
product price: 
$200.99
/pk of 4, $50.25/ea
X1 Tools 7/16-14 Corrosion-Resistant 18-8 Stainless Steel Thin-Profile Nylon-Insert Locknuts, 4PK X1E-FAS-NUT-LOC-3732x4
X1 Tools

7/16-14 Corrosion-Resistant 18-8 Stainless Steel Thin-Profile Nylon-Insert Locknuts, 4PK

Zoro # G422847938
Mfr # X1E-FAS-NUT-LOC-3732x4
product price: 
$11.35
/pk of 4, $2.84/ea
Sold in mult. of 2 pks for $22.70
X1 Tools 8-32 Corrosion-Resistant 18-8 Stainless Steel Nylon-Insert Locknuts, 4PK X1E-FAS-NUT-LOC-2119x4
X1 Tools

8-32 Corrosion-Resistant 18-8 Stainless Steel Nylon-Insert Locknuts, 4PK

Zoro # G422864515
Mfr # X1E-FAS-NUT-LOC-2119x4
product price: 
$1.25
/pk of 4, $0.31/ea
Sold in mult. of 8 pks for $10.00
Standard Locknut Bearing Lock Nut, Steel AN15
Standard Locknut

Bearing Lock Nut, Steel

Zoro # G822964631
Mfr # AN15
product price: 
$19.79
/ea
X1 Tools 3/8-16 Black-Oxide C.R. 18-8 Stainless Steel Nylon-Insert Locknuts, 1000PK X1E-FAS-NUT-LOC-2240x1000
X1 Tools

3/8-16 Black-Oxide C.R. 18-8 Stainless Steel Nylon-Insert Locknuts, 1000PK

Zoro # G422860517
Mfr # X1E-FAS-NUT-LOC-2240x1000
product price: 
$1,413.99
/pk of 1000, $1.41/ea
Zoro Select Lock Nut, Steel, 3/64", PK10 FLHNI0-4CAD-010P
Zoro Select

Lock Nut, Steel, 3/64", PK10

Zoro # G022962499
Mfr # FLHNI0-4CAD-010P
product price: 
$33.89
/pk of 10, $3.39/ea
Lock Nuts (10,000+ items) - Page 260
  • First
  • Previous
  • 260
    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 NutsCap Nuts & Acorn NutsWing NutsGeneral Washers
Hex Head Cap ScrewsMachine ScrewsSocket Head Cap ScrewsLock WashersSelf-Tapping Screws
2 inch locknutdistorted lock nut1" lock nuts1/2" flange lock nut1/4" locking nut
10mm nuts3/8-16 ss nuts3/4 lock nuts4" lock nuts5/16-18 nylon locking nut

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