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 76

X1 Tools 1/2-20 Ultra Hi Performance Grade 8 Steel Nylon-Insert Locknuts X1E-FAS-NUT-LOC-1428x1
X1 Tools

1/2-20 Ultra Hi Performance Grade 8 Steel Nylon-Insert Locknuts

Zoro # G022844863
Mfr # X1E-FAS-NUT-LOC-1428x1
product price: 
$1.89
/ea
Sold in mult. of 5 for $9.45
X1 Tools 1 1/8-7 Corrosion-Resistant 18-8 Stainless Steel Nylon-Insert Locknuts, 400PK X1E-FAS-NUT-LOC-2146x400
X1 Tools

1 1/8-7 Corrosion-Resistant 18-8 Stainless Steel Nylon-Insert Locknuts, 400PK

Zoro # G022853100
Mfr # X1E-FAS-NUT-LOC-2146x400
product price: 
$10,813.99
/pk of 400, $27.03/ea
X1 Tools 7/16-14 Corrosion-Resistant 316 Stainless Steel Thin-Profile Nylon-Insert Locknuts, 150PK X1E-FAS-NUT-LOC-3926x150
X1 Tools

7/16-14 Corrosion-Resistant 316 Stainless Steel Thin-Profile Nylon-Insert Locknuts, 150PK

Zoro # G922862745
Mfr # X1E-FAS-NUT-LOC-3926x150
product price: 
$267.99
/pk of 150, $1.79/ea
X1 Tools 1 1/4-7 Performance Zinc-Plated Steel Thin-Profile Nylon-Insert Locknuts, 8PK X1E-FAS-NUT-LOC-3468x8
X1 Tools

1 1/4-7 Performance Zinc-Plated Steel Thin-Profile Nylon-Insert Locknuts, 8PK

Zoro # G622848063
Mfr # X1E-FAS-NUT-LOC-3468x8
product price: 
$117.99
/pk of 8, $14.75/ea
Oxoxo 10-24 K Lock Nut Zinc and Bake, 4000PK 145468
Oxoxo

10-24 K Lock Nut Zinc and Bake, 4000PK

Zoro # G022696615
Mfr # 145468
product price: 
$139.96
/pk of 4000, $0.03/ea
Standard Locknut Bearing Lock Nut, Steel KM28
Standard Locknut

Bearing Lock Nut, Steel

Zoro # G422963676
Mfr # KM28
product price: 
$254.99
/ea
Oxoxo 1/2-13 NE Nylon Insert Hex Lock Nut 316 Stainless Steel, 200PK 319902
Oxoxo

1/2-13 NE Nylon Insert Hex Lock Nut 316 Stainless Steel, 200PK

Zoro # G022697810
Mfr # 319902
product price: 
$276.99
/pk of 200, $1.38/ea
Oxoxo 5/16-18X3/4 Conical K Keps Lock Nut Zinc and Bake, 2000PK 637963
Oxoxo

5/16-18X3/4 Conical K Keps Lock Nut Zinc and Bake, 2000PK

Zoro # G022681529
Mfr # 637963
product price: 
$993.99
/pk of 2000, $0.50/ea
X1 Tools 7/8-14 UHP Yellow Zinc Plated Grade 8 Steel Thin-Profile Nylon-Insert Locknuts, 100PK X1E-FAS-NUT-LOC-3036x100
X1 Tools

7/8-14 UHP Yellow Zinc Plated Grade 8 Steel Thin-Profile Nylon-Insert Locknuts, 100PK

Zoro # G322857761
Mfr # X1E-FAS-NUT-LOC-3036x100
product price: 
$1,032.99
/pk of 100, $10.33/ea
X1 Tools M8 x 1 mm Ultra Hi Performance Zinc-Plated Steel Nylon-Insert Locknuts, 10PK X1E-FAS-NUT-LOC-1116x10
X1 Tools

M8 x 1 mm Ultra Hi Performance Zinc-Plated Steel Nylon-Insert Locknuts, 10PK

Zoro # G822847453
Mfr # X1E-FAS-NUT-LOC-1116x10
product price: 
$30.99
/pk of 10, $3.10/ea
X1 Tools 1/2-13 Black-Oxide C.R. 18-8 Stainless Steel Nylon-Insert Locknuts, 25PK X1E-FAS-NUT-LOC-2248x25
X1 Tools

1/2-13 Black-Oxide C.R. 18-8 Stainless Steel Nylon-Insert Locknuts, 25PK

Zoro # G722848819
Mfr # X1E-FAS-NUT-LOC-2248x25
product price: 
$80.19
/pk of 25, $3.21/ea
X1 Tools 1 1/2-12 UHP Black-Oxide Grade 8 Steel Thin-Profile Nylon-Insert Locknuts, 500PK X1E-FAS-NUT-LOC-3240x500
X1 Tools

1 1/2-12 UHP Black-Oxide Grade 8 Steel Thin-Profile Nylon-Insert Locknuts, 500PK

Zoro # G722861917
Mfr # X1E-FAS-NUT-LOC-3240x500
product price: 
$24,914.99
/pk of 500, $49.83/ea
X1 Tools 1/4-20 Black-Oxide C.R. 18-8 Stainless Steel Nylon-Insert Locknuts, 500PK X1E-FAS-NUT-LOC-2232x500
X1 Tools

1/4-20 Black-Oxide C.R. 18-8 Stainless Steel Nylon-Insert Locknuts, 500PK

Zoro # G722848437
Mfr # X1E-FAS-NUT-LOC-2232x500
product price: 
$280.99
/pk of 500, $0.56/ea
X1 Tools 5/16-18 Corrosion-Resistant 316 Stainless Steel Nylon-Insert Locknuts, 120PK X1E-FAS-NUT-LOC-2328x120
X1 Tools

5/16-18 Corrosion-Resistant 316 Stainless Steel Nylon-Insert Locknuts, 120PK

Zoro # G422863334
Mfr # X1E-FAS-NUT-LOC-2328x120
product price: 
$62.15
/pk of 120, $0.52/ea
X1 Tools M14 x 2 mm HP Black-Corrosion-Resistant-Coated Steel Nylon-Insert Locknuts, 75PK X1E-FAS-NUT-LOC-1822x75
X1 Tools

M14 x 2 mm HP Black-Corrosion-Resistant-Coated Steel Nylon-Insert Locknuts, 75PK

Zoro # G122860053
Mfr # X1E-FAS-NUT-LOC-1822x75
product price: 
$849.99
/pk of 75, $11.33/ea
X1 Tools 5/8-18 Ultra Hi Performance Black-Oxide Steel Nylon-Insert Locknuts, 15PK X1E-FAS-NUT-LOC-1236x15
X1 Tools

5/8-18 Ultra Hi Performance Black-Oxide Steel Nylon-Insert Locknuts, 15PK

Zoro # G422856572
Mfr # X1E-FAS-NUT-LOC-1236x15
product price: 
$51.99
/pk of 15, $3.47/ea
X1 Tools 3/8-16 Corrosion-Resistant 316 Stainless Steel Nylon-Insert Locknuts, 10PK X1E-FAS-NUT-LOC-2332x10
X1 Tools

3/8-16 Corrosion-Resistant 316 Stainless Steel Nylon-Insert Locknuts, 10PK

Zoro # G522859701
Mfr # X1E-FAS-NUT-LOC-2332x10
product price: 
$12.19
/pk of 10, $1.22/ea
X1 Tools 1-14 UHP Black-Oxide Grade 8 Steel Thin-Profile Nylon-Insert Locknuts, 25PK X1E-FAS-NUT-LOC-3236x25
X1 Tools

1-14 UHP Black-Oxide Grade 8 Steel Thin-Profile Nylon-Insert Locknuts, 25PK

Zoro # G722844989
Mfr # X1E-FAS-NUT-LOC-3236x25
product price: 
$379.99
/pk of 25, $15.20/ea
X1 Tools 5/16-18 Corrosion-Resistant 18-8 Stainless Steel Nylon-Insert Locknuts, 500PK X1E-FAS-NUT-LOC-2127x500
X1 Tools

5/16-18 Corrosion-Resistant 18-8 Stainless Steel Nylon-Insert Locknuts, 500PK

Zoro # G422866571
Mfr # X1E-FAS-NUT-LOC-2127x500
product price: 
$221.99
/pk of 500, $0.44/ea
X1 Tools 1 1/2-6 Hi Performance Zinc-Plated Steel Thin-Profile Nylon-Insert Locknuts, 500PK X1E-FAS-NUT-LOC-3330x500
X1 Tools

1 1/2-6 Hi Performance Zinc-Plated Steel Thin-Profile Nylon-Insert Locknuts, 500PK

Zoro # G722847867
Mfr # X1E-FAS-NUT-LOC-3330x500
product price: 
$27,377.99
/pk of 500, $54.76/ea
X1 Tools 1/4-20 Performance Black-Corrosion-Resistant-Coated Steel Thin-Profile Nylon-Insert Locknuts X1E-FAS-NUT-LOC-3618x1
X1 Tools

1/4-20 Performance Black-Corrosion-Resistant-Coated Steel Thin-Profile Nylon-Insert Locknuts

Zoro # G622864223
Mfr # X1E-FAS-NUT-LOC-3618x1
product price: 
$5.55
/ea
Sold in mult. of 2 for $11.10
X1 Tools 1/4-28 Corrosion-Resistant 18-8 Stainless Steel Thin-Profile Nylon-Insert Locknuts, 10PK X1E-FAS-NUT-LOC-3722x10
X1 Tools

1/4-28 Corrosion-Resistant 18-8 Stainless Steel Thin-Profile Nylon-Insert Locknuts, 10PK

Zoro # G022846348
Mfr # X1E-FAS-NUT-LOC-3722x10
product price: 
$4.19
/pk of 10, $0.42/ea
Sold in mult. of 3 pks for $12.57
X1 Tools 1/4-20 Corrosion-Resistant 316 Stainless Steel Nylon-Insert Locknuts, 200PK X1E-FAS-NUT-LOC-2324x200
X1 Tools

1/4-20 Corrosion-Resistant 316 Stainless Steel Nylon-Insert Locknuts, 200PK

Zoro # G222847299
Mfr # X1E-FAS-NUT-LOC-2324x200
product price: 
$80.95
/pk of 200, $0.40/ea
X1 Tools 6-32 Performance Zinc-Plated Steel Thin-Profile Nylon-Insert Locknuts, 150PK X1E-FAS-NUT-LOC-3416x150
X1 Tools

6-32 Performance Zinc-Plated Steel Thin-Profile Nylon-Insert Locknuts, 150PK

Zoro # G322848875
Mfr # X1E-FAS-NUT-LOC-3416x150
product price: 
$39.85
/pk of 150, $0.27/ea
X1 Tools 9/16-18 Performance Zinc-Plated Steel Thin-Profile Nylon-Insert Locknuts, 250PK X1E-FAS-NUT-LOC-3448x250
X1 Tools

9/16-18 Performance Zinc-Plated Steel Thin-Profile Nylon-Insert Locknuts, 250PK

Zoro # G222849316
Mfr # X1E-FAS-NUT-LOC-3448x250
product price: 
$129.99
/pk of 250, $0.52/ea
X1 Tools 1-14 UHP Yellow Zinc Plated Grade 8 Steel Thin-Profile Nylon-Insert Locknuts, 10PK X1E-FAS-NUT-LOC-3038x10
X1 Tools

1-14 UHP Yellow Zinc Plated Grade 8 Steel Thin-Profile Nylon-Insert Locknuts, 10PK

Zoro # G622856648
Mfr # X1E-FAS-NUT-LOC-3038x10
product price: 
$147.99
/pk of 10, $14.80/ea
X1 Tools 6-40 Corrosion-Resistant 18-8 Stainless Steel Nylon-Insert Locknuts, 100PK X1E-FAS-NUT-LOC-2118x100
X1 Tools

6-40 Corrosion-Resistant 18-8 Stainless Steel Nylon-Insert Locknuts, 100PK

Zoro # G322850151
Mfr # X1E-FAS-NUT-LOC-2118x100
product price: 
$25.15
/pk of 100, $0.25/ea
X1 Tools 10-32 Performance Black-Corrosion-Resistant-Coated Steel Nylon-Insert Locknuts, 120PK X1E-FAS-NUT-LOC-2016x120
X1 Tools

10-32 Performance Black-Corrosion-Resistant-Coated Steel Nylon-Insert Locknuts, 120PK

Zoro # G722845290
Mfr # X1E-FAS-NUT-LOC-2016x120
product price: 
$444.99
/pk of 120, $3.71/ea
X1 Tools 1/4-20 Black-Oxide C.R. 18-8 Stainless Steel Nylon-Insert Locknuts, 20PK X1E-FAS-NUT-LOC-2232x20
X1 Tools

1/4-20 Black-Oxide C.R. 18-8 Stainless Steel Nylon-Insert Locknuts, 20PK

Zoro # G222854280
Mfr # X1E-FAS-NUT-LOC-2232x20
product price: 
$16.99
/pk of 20, $0.85/ea
X1 Tools M16 x 2 mm Hi-Performance Yellow Zinc Plated Steel Nylon-Insert Locknuts, 1000PK X1E-FAS-NUT-LOC-1526x1000
X1 Tools

M16 x 2 mm Hi-Performance Yellow Zinc Plated Steel Nylon-Insert Locknuts, 1000PK

Zoro # G022846171
Mfr # X1E-FAS-NUT-LOC-1526x1000
product price: 
$2,546.99
/pk of 1000, $2.55/ea
X1 Tools 3/8-16 Hi Performance Brass Nylon-Insert Locknuts, 50PK X1E-FAS-NUT-LOC-2724x50
X1 Tools

3/8-16 Hi Performance Brass Nylon-Insert Locknuts, 50PK

Zoro # G022862522
Mfr # X1E-FAS-NUT-LOC-2724x50
product price: 
$214.99
/pk of 50, $4.30/ea
X1 Tools 3/8-16 Performance Black-Zinc-Plated Steel Thin-Profile Nylon-Insert Locknuts, 2PK X1E-FAS-NUT-LOC-3524x2
X1 Tools

3/8-16 Performance Black-Zinc-Plated Steel Thin-Profile Nylon-Insert Locknuts, 2PK

Zoro # G622848117
Mfr # X1E-FAS-NUT-LOC-3524x2
product price: 
$5.25
/pk of 2, $2.63/ea
Sold in mult. of 2 pks for $10.50
X1 Tools 1/4-28 Ultra Hi Performance Black-Oxide Steel Nylon-Insert Locknuts, 200PK X1E-FAS-NUT-LOC-1212x200
X1 Tools

1/4-28 Ultra Hi Performance Black-Oxide Steel Nylon-Insert Locknuts, 200PK

Zoro # G822855175
Mfr # X1E-FAS-NUT-LOC-1212x200
product price: 
$97.49
/pk of 200, $0.49/ea
X1 Tools 12-24 Performance Zinc-Plated Steel Nylon-Insert Locknuts, 75PK X1E-FAS-NUT-LOC-1926x75
X1 Tools

12-24 Performance Zinc-Plated Steel Nylon-Insert Locknuts, 75PK

Zoro # G122855783
Mfr # X1E-FAS-NUT-LOC-1926x75
product price: 
$15.79
/pk of 75, $0.21/ea
X1 Tools M12 x 1.75 mm Ultra Hi Performance Zinc-Plated Steel Nylon-Insert Locknuts X1E-FAS-NUT-LOC-1130x1
X1 Tools

M12 x 1.75 mm Ultra Hi Performance Zinc-Plated Steel Nylon-Insert Locknuts

Zoro # G722844866
Mfr # X1E-FAS-NUT-LOC-1130x1
product price: 
$4.15
/ea
Sold in mult. of 3 for $12.45
X1 Tools 3/8-16 Black-Oxide C.R. 18-8 Stainless Steel Nylon-Insert Locknuts, 100PK X1E-FAS-NUT-LOC-2240x100
X1 Tools

3/8-16 Black-Oxide C.R. 18-8 Stainless Steel Nylon-Insert Locknuts, 100PK

Zoro # G122853611
Mfr # X1E-FAS-NUT-LOC-2240x100
product price: 
$154.99
/pk of 100, $1.55/ea
Lock Nuts (10,000+ items) - Page 76
  • First
  • Previous
  • 76
    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