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 86

X1 Tools 7/8-9 Performance Zinc-Plated Steel Nylon-Insert Locknuts, 75PK X1E-FAS-NUT-LOC-1960x75
X1 Tools

7/8-9 Performance Zinc-Plated Steel Nylon-Insert Locknuts, 75PK

Zoro # G122852874
Mfr # X1E-FAS-NUT-LOC-1960x75
product price: 
$249.99
/pk 75, $3.33/ea
X1 Tools 9/16-12 Performance Zinc-Plated Steel Thin-Profile Nylon-Insert Locknuts, 15PK X1E-FAS-NUT-LOC-3446x15
X1 Tools

9/16-12 Performance Zinc-Plated Steel Thin-Profile Nylon-Insert Locknuts, 15PK

Zoro # G122865911
Mfr # X1E-FAS-NUT-LOC-3446x15
product price: 
$13.29
/pk 15, $0.89/ea
Sold in mult. of 2 for $26.58
X1 Tools 3/8-16 Performance Black-Corrosion-Resistant-Coated Steel Nylon-Insert Locknuts, 2PK X1E-FAS-NUT-LOC-2022x2
X1 Tools

3/8-16 Performance Black-Corrosion-Resistant-Coated Steel Nylon-Insert Locknuts, 2PK

Zoro # G222854228
Mfr # X1E-FAS-NUT-LOC-2022x2
product price: 
$14.49
/pk 2, $7.25/ea
X1 Tools 5/8-18 Corrosion-Resistant 18-8 Stainless Steel Thin-Profile Nylon-Insert Locknuts, 75PK X1E-FAS-NUT-LOC-3744x75
X1 Tools

5/8-18 Corrosion-Resistant 18-8 Stainless Steel Thin-Profile Nylon-Insert Locknuts, 75PK

Zoro # G322852339
Mfr # X1E-FAS-NUT-LOC-3744x75
product price: 
$515.99
/pk 75, $6.88/ea
X1 Tools 1 1/4-12 Ultra Hi Performance Black-Oxide Steel Nylon-Insert Locknuts, 4PK X1E-FAS-NUT-LOC-1256x4
X1 Tools

1 1/4-12 Ultra Hi Performance Black-Oxide Steel Nylon-Insert Locknuts, 4PK

Zoro # G522844424
Mfr # X1E-FAS-NUT-LOC-1256x4
product price: 
$172.99
/pk 4, $43.25/ea
X1 Tools 5/16-24 Ultra H.P. Yellow Zinc Plated Grade 8 Steel Nylon-Insert Locknuts, 120PK X1E-FAS-NUT-LOC-1016x120
X1 Tools

5/16-24 Ultra H.P. Yellow Zinc Plated Grade 8 Steel Nylon-Insert Locknuts, 120PK

Zoro # G822844728
Mfr # X1E-FAS-NUT-LOC-1016x120
product price: 
$81.45
/pk 120, $0.68/ea
X1 Tools 1-8 Performance Zinc-Plated Steel Thin-Profile Nylon-Insert Locknuts, 100PK X1E-FAS-NUT-LOC-3462x100
X1 Tools

1-8 Performance Zinc-Plated Steel Thin-Profile Nylon-Insert Locknuts, 100PK

Zoro # G822864283
Mfr # X1E-FAS-NUT-LOC-3462x100
product price: 
$483.99
/pk 100, $4.84/ea
X1 Tools 1 1/2-12 Ultra Hi Performance Black-Oxide Steel Nylon-Insert Locknuts X1E-FAS-NUT-LOC-1262x1
X1 Tools

1 1/2-12 Ultra Hi Performance Black-Oxide Steel Nylon-Insert Locknuts

Zoro # G422846047
Mfr # X1E-FAS-NUT-LOC-1262x1
product price: 
$62.79
/ea
X1 Tools 1/4-20 Ultra Hi Performance Black-Oxide Steel Nylon-Insert Locknuts, 25PK X1E-FAS-NUT-LOC-1210x25
X1 Tools

1/4-20 Ultra Hi Performance Black-Oxide Steel Nylon-Insert Locknuts, 25PK

Zoro # G922853323
Mfr # X1E-FAS-NUT-LOC-1210x25
product price: 
$16.79
/pk 25, $0.67/ea
X1 Tools M36 x 4 mm Hi-Performance Zinc-Plated Steel Nylon-Insert Locknuts, 100PK X1E-FAS-NUT-LOC-1671x100
X1 Tools

M36 x 4 mm Hi-Performance Zinc-Plated Steel Nylon-Insert Locknuts, 100PK

Zoro # G722849854
Mfr # X1E-FAS-NUT-LOC-1671x100
product price: 
$5,356.99
/pk 100, $53.57/ea
X1 Tools 10-32 Performance Zinc-Plated Steel Nylon-Insert Locknuts, 250PK X1E-FAS-NUT-LOC-1924x250
X1 Tools

10-32 Performance Zinc-Plated Steel Nylon-Insert Locknuts, 250PK

Zoro # G822848061
Mfr # X1E-FAS-NUT-LOC-1924x250
product price: 
$31.79
/pk 250, $0.13/ea
X1 Tools M22 x 2.5 mm Corrosion-Resistant 18-8 Stainless Steel Nylon-Insert Locknuts, 75PK X1E-FAS-NUT-LOC-2170x75
X1 Tools

M22 x 2.5 mm Corrosion-Resistant 18-8 Stainless Steel Nylon-Insert Locknuts, 75PK

Zoro # G222857380
Mfr # X1E-FAS-NUT-LOC-2170x75
product price: 
$977.99
/pk 75, $13.04/ea
X1 Tools 3/8-24 Ultra Hi Performance Black-Oxide Steel Nylon-Insert Locknuts, 2PK X1E-FAS-NUT-LOC-1220x2
X1 Tools

3/8-24 Ultra Hi Performance Black-Oxide Steel Nylon-Insert Locknuts, 2PK

Zoro # G622846960
Mfr # X1E-FAS-NUT-LOC-1220x2
product price: 
$2.49
/pk 2, $1.25/ea
Sold in mult. of 4 for $9.96
X1 Tools 10-24 Performance Zinc-Plated Steel Thin-Profile Nylon-Insert Locknuts, 250PK X1E-FAS-NUT-LOC-3420x250
X1 Tools

10-24 Performance Zinc-Plated Steel Thin-Profile Nylon-Insert Locknuts, 250PK

Zoro # G422863471
Mfr # X1E-FAS-NUT-LOC-3420x250
product price: 
$36.69
/pk 250, $0.15/ea
X1 Tools 12-28 Corrosion-Resistant 18-8 Stainless Steel Nylon-Insert Locknuts, 8PK X1E-FAS-NUT-LOC-2124x8
X1 Tools

12-28 Corrosion-Resistant 18-8 Stainless Steel Nylon-Insert Locknuts, 8PK

Zoro # G522867638
Mfr # X1E-FAS-NUT-LOC-2124x8
product price: 
$8.29
/pk 8, $1.04/ea
Sold in mult. of 2 for $16.58
X1 Tools 1-8 Corrosion-Resistant 18-8 Stainless Steel Thin-Profile Nylon-Insert Locknuts, 12PK X1E-FAS-NUT-LOC-3754x12
X1 Tools

1-8 Corrosion-Resistant 18-8 Stainless Steel Thin-Profile Nylon-Insert Locknuts, 12PK

Zoro # G322859147
Mfr # X1E-FAS-NUT-LOC-3754x12
product price: 
$297.99
/pk 12, $24.83/ea
X1 Tools 7/8-9 Ultra Hi Performance Grade 8 Steel Nylon-Insert Locknuts, 400PK X1E-FAS-NUT-LOC-1442x400
X1 Tools

7/8-9 Ultra Hi Performance Grade 8 Steel Nylon-Insert Locknuts, 400PK

Zoro # G622862366
Mfr # X1E-FAS-NUT-LOC-1442x400
product price: 
$4,605.99
/pk 400, $11.51/ea
X1 Tools 3/4-16 Performance Zinc-Plated Steel Nylon-Insert Locknuts, 250PK X1E-FAS-NUT-LOC-1958x250
X1 Tools

3/4-16 Performance Zinc-Plated Steel Nylon-Insert Locknuts, 250PK

Zoro # G722867759
Mfr # X1E-FAS-NUT-LOC-1958x250
product price: 
$449.99
/pk 250, $1.80/ea
Zoro Select Lock Nut, Stainless Steel, 1/32", PK15 FLJNIX0-6-015P
Zoro Select

Lock Nut, Stainless Steel, 1/32", PK15

Zoro # G822962651
Mfr # FLJNIX0-6-015P
product price: 
$25.79
/pk 15, $1.72/ea
X1 Tools M5 x 0.8 mm HP Black-Corrosion-Resistant-Coated Steel Nylon-Insert Locknuts, 50PK X1E-FAS-NUT-LOC-1812x50
X1 Tools

M5 x 0.8 mm HP Black-Corrosion-Resistant-Coated Steel Nylon-Insert Locknuts, 50PK

Zoro # G022865547
Mfr # X1E-FAS-NUT-LOC-1812x50
product price: 
$236.99
/pk 50, $4.74/ea
X1 Tools 1 1/8-7 Corrosion-Resistant 18-8 Stainless Steel Thin-Profile Nylon-Insert Locknuts, 4PK X1E-FAS-NUT-LOC-3758x4
X1 Tools

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

Zoro # G022859782
Mfr # X1E-FAS-NUT-LOC-3758x4
product price: 
$154.99
/pk 4, $38.75/ea
X1 Tools 1/2-13 Corrosion-Resistant 18-8 Stainless Steel Nylon-Insert Locknuts, 4PK X1E-FAS-NUT-LOC-2133x4
X1 Tools

1/2-13 Corrosion-Resistant 18-8 Stainless Steel Nylon-Insert Locknuts, 4PK

Zoro # G822845282
Mfr # X1E-FAS-NUT-LOC-2133x4
product price: 
$11.29
/pk 4, $2.82/ea
Sold in mult. of 2 for $22.58
X1 Tools 1 1/8-7 Hi-Performance Zinc-Plated Steel Nylon-Insert Locknuts, 15PK X1E-FAS-NUT-LOC-1630x15
X1 Tools

1 1/8-7 Hi-Performance Zinc-Plated Steel Nylon-Insert Locknuts, 15PK

Zoro # G122844633
Mfr # X1E-FAS-NUT-LOC-1630x15
product price: 
$134.99
/pk 15, $9.00/ea
X1 Tools 5/8-18 UHP Black-Oxide Grade 8 Steel Thin-Profile Nylon-Insert Locknuts, 75PK X1E-FAS-NUT-LOC-3230x75
X1 Tools

5/8-18 UHP Black-Oxide Grade 8 Steel Thin-Profile Nylon-Insert Locknuts, 75PK

Zoro # G122861197
Mfr # X1E-FAS-NUT-LOC-3230x75
product price: 
$328.99
/pk 75, $4.39/ea
Oxoxo 5/8-18 Stover Alternative Automation Style Lock Nut Grade C Cad And Wax, 200PK 210067
Oxoxo

5/8-18 Stover Alternative Automation Style Lock Nut Grade C Cad And Wax, 200PK

Zoro # G922674058
Mfr # 210067
product price: 
$166.99
/pk 200, $0.83/ea
Oxoxo 7/16-14 Stover Alternative Lock Nut Grade B Cad And Wax, 500PK 499007
Oxoxo

7/16-14 Stover Alternative Lock Nut Grade B Cad And Wax, 500PK

Zoro # G222672488
Mfr # 499007
product price: 
$211.99
/pk 500, $0.42/ea
Oxoxo M16-2.00 Din 985 Metric Class 8 Nylon Insert Hex Locknut Black Oxide and Oil, 150PK 558633
Oxoxo

M16-2.00 Din 985 Metric Class 8 Nylon Insert Hex Locknut Black Oxide and Oil, 150PK

Zoro # G022679151
Mfr # 558633
product price: 
$125.99
/pk 150, $0.84/ea
X1 Tools 1/4-28 UHP Yellow Zinc Plated Grade 8 Steel Thin-Profile Nylon-Insert Locknuts, 6PK X1E-FAS-NUT-LOC-3012x6
X1 Tools

1/4-28 UHP Yellow Zinc Plated Grade 8 Steel Thin-Profile Nylon-Insert Locknuts, 6PK

Zoro # G322865902
Mfr # X1E-FAS-NUT-LOC-3012x6
product price: 
$15.29
/pk 6, $2.55/ea
X1 Tools 1/4-20 Performance Zinc-Plated Steel Thin-Profile Nylon-Insert Locknuts, 150PK X1E-FAS-NUT-LOC-3426x150
X1 Tools

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

Zoro # G522861070
Mfr # X1E-FAS-NUT-LOC-3426x150
product price: 
$23.15
/pk 150, $0.15/ea
X1 Tools 9/16-12 Performance Zinc-Plated Steel Nylon-Insert Locknuts, 2PK X1E-FAS-NUT-LOC-1948x2
X1 Tools

9/16-12 Performance Zinc-Plated Steel Nylon-Insert Locknuts, 2PK

Zoro # G522853808
Mfr # X1E-FAS-NUT-LOC-1948x2
product price: 
$2.69
/pk 2, $1.35/ea
Sold in mult. of 4 for $10.76
X1 Tools 4-40 Black-Oxide C.R. 18-8 Stainless Steel Nylon-Insert Locknuts, 25PK X1E-FAS-NUT-LOC-2214x25
X1 Tools

4-40 Black-Oxide C.R. 18-8 Stainless Steel Nylon-Insert Locknuts, 25PK

Zoro # G422855803
Mfr # X1E-FAS-NUT-LOC-2214x25
product price: 
$12.45
/pk 25, $0.50/ea
Sold in mult. of 2 for $24.90
X1 Tools 10-24 Performance Zinc-Plated Steel Thin-Profile Nylon-Insert Locknuts, 75PK X1E-FAS-NUT-LOC-3420x75
X1 Tools

10-24 Performance Zinc-Plated Steel Thin-Profile Nylon-Insert Locknuts, 75PK

Zoro # G322855309
Mfr # X1E-FAS-NUT-LOC-3420x75
product price: 
$14.39
/pk 75, $0.19/ea
X1 Tools 5/16-24 Corrosion-Resistant 18-8 Stainless Steel Thin-Profile Nylon-Insert Locknuts, 1000PK X1E-FAS-NUT-LOC-3726x1000
X1 Tools

5/16-24 Corrosion-Resistant 18-8 Stainless Steel Thin-Profile Nylon-Insert Locknuts, 1000PK

Zoro # G622845338
Mfr # X1E-FAS-NUT-LOC-3726x1000
product price: 
$381.99
/pk 1000, $0.38/ea
X1 Tools 1-14 Corrosion-Resistant 316 Stainless Steel Nylon-Insert Locknuts, 15PK X1E-FAS-NUT-LOC-2364x15
X1 Tools

1-14 Corrosion-Resistant 316 Stainless Steel Nylon-Insert Locknuts, 15PK

Zoro # G222850800
Mfr # X1E-FAS-NUT-LOC-2364x15
product price: 
$585.99
/pk 15, $39.07/ea
Oxoxo 1/4-28 Flex Type Lock Nut Full Height 18-8 Stainless Steel, 250PK 457621
Oxoxo

1/4-28 Flex Type Lock Nut Full Height 18-8 Stainless Steel, 250PK

Zoro # G722689429
Mfr # 457621
product price: 
$336.99
/pk 250, $1.35/ea
Oxoxo 10-24 Serrated Flange Hex Lock Nuts 18 8 Stainless Steel, 2000PK 319159
Oxoxo

10-24 Serrated Flange Hex Lock Nuts 18 8 Stainless Steel, 2000PK

Zoro # G422671663
Mfr # 319159
product price: 
$364.99
/pk 2000, $0.18/ea
Lock Nuts (10,000+ items) - Page 86
  • First
  • Previous
  • 86
    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
3/8-16 ss nuts1/2" flange lock nut2 inch locknutnylon insert hex nut5/16-18 nylon locking nut
1/4 npt locknuts4" lock nuts1" lock nuts1/4" locking 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, 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