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 home
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 98

X1 Tools 3/8-24 Corrosion-Resistant 316 Stainless Steel Thin-Profile Nylon-Insert Locknuts, 400PK X1E-FAS-NUT-LOC-3924x400
X1 Tools

3/8-24 Corrosion-Resistant 316 Stainless Steel Thin-Profile Nylon-Insert Locknuts, 400PK

Zoro # G122845463
Mfr # X1E-FAS-NUT-LOC-3924x400
product price: 
$458.99
/pk 400, $1.15/ea
Zoro Select Lock Nut, Steel, 9/32", PK10 FLHNFI050CAD-010P
Zoro Select

Lock Nut, Steel, 9/32", PK10

Zoro # G622964657
Mfr # FLHNFI050CAD-010P
product price: 
$27.15
/pk 10, $2.72/ea
Oxoxo 1/4-20X5/8 Conical K Keps Lock Nut Zinc and Bake, 2500PK 637950
Oxoxo

1/4-20X5/8 Conical K Keps Lock Nut Zinc and Bake, 2500PK

Zoro # G122694054
Mfr # 637950
product price: 
$787.99
/pk 2500, $0.32/ea
Newport Fasteners Nylon Insert Lock Nut, 3/4"-10, Steel, Grade A, Zinc Plated, 50 PK 754392-PR-50
Newport Fasteners

Nylon Insert Lock Nut, 3/4"-10, Steel, Grade A, Zinc Plated, 50 PK

Zoro # G106329583
Mfr # 754392-PR-50
product price: 
$112.99
/pk 50, $2.26/ea
X1 Tools 1/2-13 Corrosion-Resistant 18-8 Stainless Steel Thin-Profile Nylon-Insert Locknuts, 120PK X1E-FAS-NUT-LOC-3736x120
X1 Tools

1/2-13 Corrosion-Resistant 18-8 Stainless Steel Thin-Profile Nylon-Insert Locknuts, 120PK

Zoro # G022847369
Mfr # X1E-FAS-NUT-LOC-3736x120
product price: 
$182.99
/pk 120, $1.52/ea
X1 Tools 1/4-28 Corrosion-Resistant 316 Stainless Steel Thin-Profile Nylon-Insert Locknuts, 12PK X1E-FAS-NUT-LOC-3916x12
X1 Tools

1/4-28 Corrosion-Resistant 316 Stainless Steel Thin-Profile Nylon-Insert Locknuts, 12PK

Zoro # G222845172
Mfr # X1E-FAS-NUT-LOC-3916x12
product price: 
$12.29
/pk 12, $1.02/ea
X1 Tools 5/8-18 Ultra H.P. Yellow Zinc Plated Grade 8 Steel Nylon-Insert Locknuts, 500PK X1E-FAS-NUT-LOC-1036x500
X1 Tools

5/8-18 Ultra H.P. Yellow Zinc Plated Grade 8 Steel Nylon-Insert Locknuts, 500PK

Zoro # G522847159
Mfr # X1E-FAS-NUT-LOC-1036x500
product price: 
$1,826.99
/pk 500, $3.65/ea
X1 Tools 4-40 Performance Zinc-Plated Steel Thin-Profile Nylon-Insert Locknuts, 12PK X1E-FAS-NUT-LOC-3412x12
X1 Tools

4-40 Performance Zinc-Plated Steel Thin-Profile Nylon-Insert Locknuts, 12PK

Zoro # G722861429
Mfr # X1E-FAS-NUT-LOC-3412x12
product price: 
$3.55
/pk 12, $0.30/ea
Sold in mult. of 3 for $10.65
X1 Tools 3/4-10 Hi Performance Zinc-Plated Steel Thin-Profile Nylon-Insert Locknuts, 50PK X1E-FAS-NUT-LOC-3314x50
X1 Tools

3/4-10 Hi Performance Zinc-Plated Steel Thin-Profile Nylon-Insert Locknuts, 50PK

Zoro # G422847488
Mfr # X1E-FAS-NUT-LOC-3314x50
product price: 
$457.99
/pk 50, $9.16/ea
X1 Tools 7/16-20 Corrosion-Resistant 18-8 Stainless Steel Nylon-Insert Locknuts, 400PK X1E-FAS-NUT-LOC-2132x400
X1 Tools

7/16-20 Corrosion-Resistant 18-8 Stainless Steel Nylon-Insert Locknuts, 400PK

Zoro # G022850857
Mfr # X1E-FAS-NUT-LOC-2132x400
product price: 
$381.99
/pk 400, $0.95/ea
X1 Tools 1/4-20 Performance Zinc-Plated Steel Thin-Profile Nylon-Insert Locknuts, 20PK X1E-FAS-NUT-LOC-3426x20
X1 Tools

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

Zoro # G822849600
Mfr # X1E-FAS-NUT-LOC-3426x20
product price: 
$3.45
/pk 20, $0.17/ea
Sold in mult. of 3 for $10.35
X1 Tools 1/2-13 Performance Black-Corrosion-Resistant-Coated Steel Nylon-Insert Locknuts, 10PK X1E-FAS-NUT-LOC-2024x10
X1 Tools

1/2-13 Performance Black-Corrosion-Resistant-Coated Steel Nylon-Insert Locknuts, 10PK

Zoro # G622867033
Mfr # X1E-FAS-NUT-LOC-2024x10
product price: 
$56.39
/pk 10, $5.64/ea
X1 Tools M5 x 0.8 mm Performance Zinc-Plated Steel Thin-Profile Nylon-Insert Locknuts, 100PK X1E-FAS-NUT-LOC-3480x100
X1 Tools

M5 x 0.8 mm Performance Zinc-Plated Steel Thin-Profile Nylon-Insert Locknuts, 100PK

Zoro # G922856935
Mfr # X1E-FAS-NUT-LOC-3480x100
product price: 
$75.35
/pk 100, $0.75/ea
X1 Tools 1/4-20 Corrosion-Resistant 316 Stainless Steel Thin-Profile Nylon-Insert Locknuts, 6PK X1E-FAS-NUT-LOC-3914x6
X1 Tools

1/4-20 Corrosion-Resistant 316 Stainless Steel Thin-Profile Nylon-Insert Locknuts, 6PK

Zoro # G322847915
Mfr # X1E-FAS-NUT-LOC-3914x6
product price: 
$5.45
/pk 6, $0.91/ea
Sold in mult. of 2 for $10.90
X1 Tools 2-56 Performance Zinc-Plated Steel Thin-Profile Nylon-Insert Locknuts, 20PK X1E-FAS-NUT-LOC-3410x20
X1 Tools

2-56 Performance Zinc-Plated Steel Thin-Profile Nylon-Insert Locknuts, 20PK

Zoro # G722856821
Mfr # X1E-FAS-NUT-LOC-3410x20
product price: 
$14.69
/pk 20, $0.73/ea
X1 Tools 7/16-20 Corrosion-Resistant 316 Stainless Steel Nylon-Insert Locknuts, 1000PK X1E-FAS-NUT-LOC-2338x1000
X1 Tools

7/16-20 Corrosion-Resistant 316 Stainless Steel Nylon-Insert Locknuts, 1000PK

Zoro # G222865255
Mfr # X1E-FAS-NUT-LOC-2338x1000
product price: 
$1,813.99
/pk 1000, $1.81/ea
X1 Tools 6-32 Corrosion-Resistant 18-8 Stainless Steel Thin-Profile Nylon-Insert Locknuts, 15PK X1E-FAS-NUT-LOC-3712x15
X1 Tools

6-32 Corrosion-Resistant 18-8 Stainless Steel Thin-Profile Nylon-Insert Locknuts, 15PK

Zoro # G322845720
Mfr # X1E-FAS-NUT-LOC-3712x15
product price: 
$4.55
/pk 15, $0.30/ea
Sold in mult. of 2 for $9.10
X1 Tools 1/2-20 Corrosion-Resistant 316 Stainless Steel Nylon-Insert Locknuts, 10PK X1E-FAS-NUT-LOC-2342x10
X1 Tools

1/2-20 Corrosion-Resistant 316 Stainless Steel Nylon-Insert Locknuts, 10PK

Zoro # G922845847
Mfr # X1E-FAS-NUT-LOC-2342x10
product price: 
$30.15
/pk 10, $3.01/ea
X1 Tools 1/2-20 Performance Zinc-Plated Steel Thin-Profile Nylon-Insert Locknuts, 120PK X1E-FAS-NUT-LOC-3444x120
X1 Tools

1/2-20 Performance Zinc-Plated Steel Thin-Profile Nylon-Insert Locknuts, 120PK

Zoro # G822850774
Mfr # X1E-FAS-NUT-LOC-3444x120
product price: 
$48.19
/pk 120, $0.40/ea
X1 Tools 7/8-9 Corrosion-Resistant 18-8 Stainless Steel Thin-Profile Nylon-Insert Locknuts, 50PK X1E-FAS-NUT-LOC-3750x50
X1 Tools

7/8-9 Corrosion-Resistant 18-8 Stainless Steel Thin-Profile Nylon-Insert Locknuts, 50PK

Zoro # G022845839
Mfr # X1E-FAS-NUT-LOC-3750x50
product price: 
$973.99
/pk 50, $19.48/ea
X1 Tools M10 x 1.5 mm Performance Zinc-Plated Steel Thin-Profile Nylon-Insert Locknuts, 25PK X1E-FAS-NUT-LOC-3486x25
X1 Tools

M10 x 1.5 mm Performance Zinc-Plated Steel Thin-Profile Nylon-Insert Locknuts, 25PK

Zoro # G122854106
Mfr # X1E-FAS-NUT-LOC-3486x25
product price: 
$48.19
/pk 25, $1.93/ea
X1 Tools 10-24 Performance Black-Corrosion-Resistant-Coated Steel Nylon-Insert Locknuts, 20PK X1E-FAS-NUT-LOC-2014x20
X1 Tools

10-24 Performance Black-Corrosion-Resistant-Coated Steel Nylon-Insert Locknuts, 20PK

Zoro # G922862028
Mfr # X1E-FAS-NUT-LOC-2014x20
product price: 
$79.45
/pk 20, $3.97/ea
X1 Tools 1/4-20 Hi Performance Brass Nylon-Insert Locknuts, 4PK X1E-FAS-NUT-LOC-2720x4
X1 Tools

1/4-20 Hi Performance Brass Nylon-Insert Locknuts, 4PK

Zoro # G622856549
Mfr # X1E-FAS-NUT-LOC-2720x4
product price: 
$10.15
/pk 4, $2.54/ea
X1 Tools 6-32 Black-Oxide C.R. 18-8 Stainless Steel Nylon-Insert Locknuts, 6PK X1E-FAS-NUT-LOC-2218x6
X1 Tools

6-32 Black-Oxide C.R. 18-8 Stainless Steel Nylon-Insert Locknuts, 6PK

Zoro # G322853329
Mfr # X1E-FAS-NUT-LOC-2218x6
product price: 
$2.29
/pk 6, $0.38/ea
Sold in mult. of 4 for $9.16
X1 Tools 5/16-18 Corrosion-Resistant 316 Stainless Steel Nylon-Insert Locknuts, 12PK X1E-FAS-NUT-LOC-2328x12
X1 Tools

5/16-18 Corrosion-Resistant 316 Stainless Steel Nylon-Insert Locknuts, 12PK

Zoro # G822850590
Mfr # X1E-FAS-NUT-LOC-2328x12
product price: 
$11.55
/pk 12, $0.96/ea
Sold in mult. of 2 for $23.10
X1 Tools 5/8-11 Hi-Performance Zinc-Plated Steel Nylon-Insert Locknuts, 100PK X1E-FAS-NUT-LOC-1622x100
X1 Tools

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

Zoro # G922867788
Mfr # X1E-FAS-NUT-LOC-1622x100
product price: 
$151.99
/pk 100, $1.52/ea
X1 Tools 10-32 Performance Zinc-Plated Steel Nylon-Insert Locknuts, 2PK X1E-FAS-NUT-LOC-1924x2
X1 Tools

10-32 Performance Zinc-Plated Steel Nylon-Insert Locknuts, 2PK

Zoro # G322850717
Mfr # X1E-FAS-NUT-LOC-1924x2
product price: 
$0.72
/pk 2, $0.36/ea
Sold in mult. of 13 for $9.36
X1 Tools 1/4-28 Corrosion-Resistant 316 Stainless Steel Thin-Profile Nylon-Insert Locknuts, 150PK X1E-FAS-NUT-LOC-3916x150
X1 Tools

1/4-28 Corrosion-Resistant 316 Stainless Steel Thin-Profile Nylon-Insert Locknuts, 150PK

Zoro # G122858388
Mfr # X1E-FAS-NUT-LOC-3916x150
product price: 
$92.59
/pk 150, $0.62/ea
X1 Tools 1/4-28 Corrosion-Resistant 18-8 Stainless Steel Thin-Profile Nylon-Insert Locknuts, 6PK X1E-FAS-NUT-LOC-3722x6
X1 Tools

1/4-28 Corrosion-Resistant 18-8 Stainless Steel Thin-Profile Nylon-Insert Locknuts, 6PK

Zoro # G922866798
Mfr # X1E-FAS-NUT-LOC-3722x6
product price: 
$2.75
/pk 6, $0.46/ea
Sold in mult. of 4 for $11.00
X1 Tools 5/16-18 Corrosion-Resistant 316 Stainless Steel Thin-Profile Nylon-Insert Locknuts, 200PK X1E-FAS-NUT-LOC-3918x200
X1 Tools

5/16-18 Corrosion-Resistant 316 Stainless Steel Thin-Profile Nylon-Insert Locknuts, 200PK

Zoro # G222850602
Mfr # X1E-FAS-NUT-LOC-3918x200
product price: 
$167.99
/pk 200, $0.84/ea
X1 Tools M2 x 0.4 mm Corrosion-Resistant 18-8 Stainless Steel Nylon-Insert Locknuts, 15PK X1E-FAS-NUT-LOC-2150x15
X1 Tools

M2 x 0.4 mm Corrosion-Resistant 18-8 Stainless Steel Nylon-Insert Locknuts, 15PK

Zoro # G222845875
Mfr # X1E-FAS-NUT-LOC-2150x15
product price: 
$37.79
/pk 15, $2.52/ea
X1 Tools 1-8 Hi Performance Zinc-Plated Steel Thin-Profile Nylon-Insert Locknuts, 1000PK X1E-FAS-NUT-LOC-3320x1000
X1 Tools

1-8 Hi Performance Zinc-Plated Steel Thin-Profile Nylon-Insert Locknuts, 1000PK

Zoro # G222847800
Mfr # X1E-FAS-NUT-LOC-3320x1000
product price: 
$14,864.99
/pk 1000, $14.86/ea
X1 Tools 7/16-20 Corrosion-Resistant 316 Stainless Steel Nylon-Insert Locknuts, 150PK X1E-FAS-NUT-LOC-2338x150
X1 Tools

7/16-20 Corrosion-Resistant 316 Stainless Steel Nylon-Insert Locknuts, 150PK

Zoro # G022847116
Mfr # X1E-FAS-NUT-LOC-2338x150
product price: 
$236.99
/pk 150, $1.58/ea
X1 Tools 3/8-16 Performance Zinc-Plated Steel Thin-Profile Nylon-Insert Locknuts, 4PK X1E-FAS-NUT-LOC-3434x4
X1 Tools

3/8-16 Performance Zinc-Plated Steel Thin-Profile Nylon-Insert Locknuts, 4PK

Zoro # G322854241
Mfr # X1E-FAS-NUT-LOC-3434x4
product price: 
$1.35
/pk 4, $0.34/ea
Sold in mult. of 7 for $9.45
X1 Tools 8-32 Performance Black-Corrosion-Resistant-Coated Steel Nylon-Insert Locknuts, 8PK X1E-FAS-NUT-LOC-2012x8
X1 Tools

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

Zoro # G122864709
Mfr # X1E-FAS-NUT-LOC-2012x8
product price: 
$35.49
/pk 8, $4.44/ea
X1 Tools 3/4-10 Hi Performance Zinc-Plated Steel Thin-Profile Nylon-Insert Locknuts, 150PK X1E-FAS-NUT-LOC-3314x150
X1 Tools

3/4-10 Hi Performance Zinc-Plated Steel Thin-Profile Nylon-Insert Locknuts, 150PK

Zoro # G322859680
Mfr # X1E-FAS-NUT-LOC-3314x150
product price: 
$1,332.99
/pk 150, $8.89/ea
Lock Nuts (10,000+ items) - Page 98
  • First
  • Previous
  • 98
    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
5/16-18 nylon locking nutdistorted lock nut3/8-16 ss nuts1/2" flange lock nut1/4" locking nut
4" lock nutsm12 nylon insert locknuts1" lock nutsnylon insert hex nut3/4 lock 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 home

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 home