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
Close icon
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 115

X1 Tools 5/16-24 Corrosion-Resistant 316 Stainless Steel Thin-Profile Nylon-Insert Locknuts, 150PK X1E-FAS-NUT-LOC-3920x150
X1 Tools

5/16-24 Corrosion-Resistant 316 Stainless Steel Thin-Profile Nylon-Insert Locknuts, 150PK

Zoro # G922849722
Mfr # X1E-FAS-NUT-LOC-3920x150
product price: 
$137.99
/pk 150, $0.92/ea
X1 Tools 5/16-24 Performance Zinc-Plated Steel Thin-Profile Nylon-Insert Locknuts, 6PK X1E-FAS-NUT-LOC-3432x6
X1 Tools

5/16-24 Performance Zinc-Plated Steel Thin-Profile Nylon-Insert Locknuts, 6PK

Zoro # G922847490
Mfr # X1E-FAS-NUT-LOC-3432x6
product price: 
$1.65
/pk 6, $0.27/ea
Sold in mult. of 6 for $9.90
X1 Tools 1 1/8-7 Corrosion-Resistant 18-8 Stainless Steel Thin-Profile Nylon-Insert Locknuts, 250PK X1E-FAS-NUT-LOC-3758x250
X1 Tools

1 1/8-7 Corrosion-Resistant 18-8 Stainless Steel Thin-Profile Nylon-Insert Locknuts, 250PK

Zoro # G722852953
Mfr # X1E-FAS-NUT-LOC-3758x250
product price: 
$9,360.99
/pk 250, $37.44/ea
X1 Tools 1/2-20 UHP Black-Oxide Grade 8 Steel Thin-Profile Nylon-Insert Locknuts, 25PK X1E-FAS-NUT-LOC-3226x25
X1 Tools

1/2-20 UHP Black-Oxide Grade 8 Steel Thin-Profile Nylon-Insert Locknuts, 25PK

Zoro # G422849246
Mfr # X1E-FAS-NUT-LOC-3226x25
product price: 
$94.19
/pk 25, $3.77/ea
Molex Nyl Locknut Pg42 Gy RAL7001 936000493
Molex

Nyl Locknut Pg42 Gy RAL7001

Zoro # G4042988
Mfr # 936000493
product price: 
$2.25
/ea
Sold in mult. of 29 for $65.25
Newport Fasteners Nylon Insert Lock Nut, 1-1/8"-12, Steel, Grade A, Zinc Plated, 200 PK 563735-BR-200
Newport Fasteners

Nylon Insert Lock Nut, 1-1/8"-12, Steel, Grade A, Zinc Plated, 200 PK

Zoro # G006330054
Mfr # 563735-BR-200
product price: 
$870.99
/pk 200, $4.35/ea
X1 Tools 3/8-16 Black-Oxide Corrosion-Resistant 18-8 Stainless Steel Thin-Profile Nylon-Insert Locknuts, 25PK X1E-FAS-NUT-LOC-3824x25
X1 Tools

3/8-16 Black-Oxide Corrosion-Resistant 18-8 Stainless Steel Thin-Profile Nylon-Insert Locknuts, 25PK

Zoro # G522855772
Mfr # X1E-FAS-NUT-LOC-3824x25
product price: 
$34.85
/pk 25, $1.39/ea
X1 Tools 1/4-28 UHP Black-Oxide Grade 8 Steel Thin-Profile Nylon-Insert Locknuts, 500PK X1E-FAS-NUT-LOC-3212x500
X1 Tools

1/4-28 UHP Black-Oxide Grade 8 Steel Thin-Profile Nylon-Insert Locknuts, 500PK

Zoro # G122846859
Mfr # X1E-FAS-NUT-LOC-3212x500
product price: 
$1,066.99
/pk 500, $2.13/ea
X1 Tools 1-8 Hi Performance Zinc-Plated Steel Thin-Profile Nylon-Insert Locknuts, 8PK X1E-FAS-NUT-LOC-3320x8
X1 Tools

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

Zoro # G022864267
Mfr # X1E-FAS-NUT-LOC-3320x8
product price: 
$115.99
/pk 8, $14.50/ea
X1 Tools M20 x 2.5 mm Performance Zinc-Plated Steel Nylon-Insert Locknuts, 15PK X1E-FAS-NUT-LOC-1990x15
X1 Tools

M20 x 2.5 mm Performance Zinc-Plated Steel Nylon-Insert Locknuts, 15PK

Zoro # G422867165
Mfr # X1E-FAS-NUT-LOC-1990x15
product price: 
$50.49
/pk 15, $3.37/ea
X1 Tools 5/16-18 Corrosion-Resistant 316 Stainless Steel Thin-Profile Nylon-Insert Locknuts, 6PK X1E-FAS-NUT-LOC-3918x6
X1 Tools

5/16-18 Corrosion-Resistant 316 Stainless Steel Thin-Profile Nylon-Insert Locknuts, 6PK

Zoro # G922852906
Mfr # X1E-FAS-NUT-LOC-3918x6
product price: 
$10.69
/pk 6, $1.78/ea
Sold in mult. of 2 for $21.38
X1 Tools 7/8-14 Performance Zinc-Plated Steel Thin-Profile Nylon-Insert Locknuts, 50PK X1E-FAS-NUT-LOC-3460x50
X1 Tools

7/8-14 Performance Zinc-Plated Steel Thin-Profile Nylon-Insert Locknuts, 50PK

Zoro # G922866330
Mfr # X1E-FAS-NUT-LOC-3460x50
product price: 
$190.99
/pk 50, $3.82/ea
X1 Tools 1 1/2-12 UHP Black-Oxide Grade 8 Steel Thin-Profile Nylon-Insert Locknuts, 10PK X1E-FAS-NUT-LOC-3240x10
X1 Tools

1 1/2-12 UHP Black-Oxide Grade 8 Steel Thin-Profile Nylon-Insert Locknuts, 10PK

Zoro # G522867799
Mfr # X1E-FAS-NUT-LOC-3240x10
product price: 
$423.99
/pk 10, $42.40/ea
Oxoxo M12-1.75 Din 985 Metric Class 8 Nylon Insert Hex Locknut Zinc, 300PK 278155
Oxoxo

M12-1.75 Din 985 Metric Class 8 Nylon Insert Hex Locknut Zinc, 300PK

Zoro # G722663115
Mfr # 278155
product price: 
$99.15
/pk 300, $0.33/ea
X1 Tools 1/4-20 Ultra H.P. Yellow Zinc Plated Grade 8 Steel Nylon-Insert Locknuts, 10PK X1E-FAS-NUT-LOC-1010x10
X1 Tools

1/4-20 Ultra H.P. Yellow Zinc Plated Grade 8 Steel Nylon-Insert Locknuts, 10PK

Zoro # G322844242
Mfr # X1E-FAS-NUT-LOC-1010x10
product price: 
$9.85
/pk 10, $0.99/ea
Sold in mult. of 2 for $19.70
X1 Tools 8-32 Performance Black-Corrosion-Resistant-Coated Steel Nylon-Insert Locknuts, 250PK X1E-FAS-NUT-LOC-2012x250
X1 Tools

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

Zoro # G022866162
Mfr # X1E-FAS-NUT-LOC-2012x250
product price: 
$857.99
/pk 250, $3.43/ea
X1 Tools 6-32 Performance Zinc-Plated Steel Nylon-Insert Locknuts, 12PK X1E-FAS-NUT-LOC-1918x12
X1 Tools

6-32 Performance Zinc-Plated Steel Nylon-Insert Locknuts, 12PK

Zoro # G622861659
Mfr # X1E-FAS-NUT-LOC-1918x12
product price: 
$1.75
/pk 12, $0.15/ea
Sold in mult. of 6 for $10.50
X1 Tools 8-32 Black-Oxide C.R. 18-8 Stainless Steel Nylon-Insert Locknuts, 20PK X1E-FAS-NUT-LOC-2222x20
X1 Tools

8-32 Black-Oxide C.R. 18-8 Stainless Steel Nylon-Insert Locknuts, 20PK

Zoro # G422851997
Mfr # X1E-FAS-NUT-LOC-2222x20
product price: 
$11.89
/pk 20, $0.59/ea
Sold in mult. of 2 for $23.78
X1 Tools 4-40 Black-Oxide C.R. 18-8 Stainless Steel Nylon-Insert Locknuts X1E-FAS-NUT-LOC-2214x1
X1 Tools

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

Zoro # G122855370
Mfr # X1E-FAS-NUT-LOC-2214x1
product price: 
$0.77
/ea
Sold in mult. of 12 for $9.24
X1 Tools 1/4-28 Ultra Hi Performance Black-Oxide Steel Nylon-Insert Locknuts, 500PK X1E-FAS-NUT-LOC-1212x500
X1 Tools

1/4-28 Ultra Hi Performance Black-Oxide Steel Nylon-Insert Locknuts, 500PK

Zoro # G222851579
Mfr # X1E-FAS-NUT-LOC-1212x500
product price: 
$229.99
/pk 500, $0.46/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 1000, $1.17/ea
X1 Tools 9/16-18 Corrosion-Resistant 18-8 Stainless Steel Nylon-Insert Locknuts, 200PK X1E-FAS-NUT-LOC-2136x200
X1 Tools

9/16-18 Corrosion-Resistant 18-8 Stainless Steel Nylon-Insert Locknuts, 200PK

Zoro # G622856402
Mfr # X1E-FAS-NUT-LOC-2136x200
product price: 
$929.99
/pk 200, $4.65/ea
X1 Tools 3/4-16 Hi-Performance Zinc-Plated Steel Nylon-Insert Locknuts, 400PK X1E-FAS-NUT-LOC-1625x400
X1 Tools

3/4-16 Hi-Performance Zinc-Plated Steel Nylon-Insert Locknuts, 400PK

Zoro # G722853257
Mfr # X1E-FAS-NUT-LOC-1625x400
product price: 
$783.99
/pk 400, $1.96/ea
X1 Tools 3/8-24 Hi-Performance Black-Oxide Steel Nylon-Insert Locknuts, 120PK X1E-FAS-NUT-LOC-1720x120
X1 Tools

3/8-24 Hi-Performance Black-Oxide Steel Nylon-Insert Locknuts, 120PK

Zoro # G422859184
Mfr # X1E-FAS-NUT-LOC-1720x120
product price: 
$61.75
/pk 120, $0.51/ea
X1 Tools 1/2-20 Ultra H.P. Yellow Zinc Plated Grade 8 Steel Nylon-Insert Locknuts, 250PK X1E-FAS-NUT-LOC-1028x250
X1 Tools

1/2-20 Ultra H.P. Yellow Zinc Plated Grade 8 Steel Nylon-Insert Locknuts, 250PK

Zoro # G622844492
Mfr # X1E-FAS-NUT-LOC-1028x250
product price: 
$354.99
/pk 250, $1.42/ea
Newport Fasteners Nylon Insert Lock Nut, 1"-8, Steel, Grade A, Zinc Plated, 175 PK 616754-BR-175
Newport Fasteners

Nylon Insert Lock Nut, 1"-8, Steel, Grade A, Zinc Plated, 175 PK

Zoro # G706329990
Mfr # 616754-BR-175
product price: 
$513.99
/pk 175, $2.94/ea
Newport Fasteners Nylon Insert Lock Nut, M42-4.50, Steel, Class 8, Zinc Plated, 15 PK 511459-BR-15
Newport Fasteners

Nylon Insert Lock Nut, M42-4.50, Steel, Class 8, Zinc Plated, 15 PK

Zoro # G306329505
Mfr # 511459-BR-15
product price: 
$435.99
/pk 15, $29.07/ea
X1 Tools 1/2-13 Corrosion-Resistant 316 Stainless Steel Nylon-Insert Locknuts, 1000PK X1E-FAS-NUT-LOC-2340x1000
X1 Tools

1/2-13 Corrosion-Resistant 316 Stainless Steel Nylon-Insert Locknuts, 1000PK

Zoro # G922851435
Mfr # X1E-FAS-NUT-LOC-2340x1000
product price: 
$2,311.99
/pk 1000, $2.31/ea
Oxoxo 6-32X1/4  K Lock Nuts Small Pattern Zinc and Bake, 5000PK 111087
Oxoxo

6-32X1/4 K Lock Nuts Small Pattern Zinc and Bake, 5000PK

Zoro # G222659045
Mfr # 111087
product price: 
$291.40
/pk 5000, $0.06/ea
Oxoxo 3/8-24 K Lock Nut Zinc and Bake, 1000PK 192437
Oxoxo

3/8-24 K Lock Nut Zinc and Bake, 1000PK

Zoro # G422679430
Mfr # 192437
product price: 
$166.99
/pk 1000, $0.17/ea
X1 Tools 3/8-24 UHP Black-Oxide Grade 8 Steel Thin-Profile Nylon-Insert Locknuts, 150PK X1E-FAS-NUT-LOC-3220x150
X1 Tools

3/8-24 UHP Black-Oxide Grade 8 Steel Thin-Profile Nylon-Insert Locknuts, 150PK

Zoro # G822858640
Mfr # X1E-FAS-NUT-LOC-3220x150
product price: 
$258.99
/pk 150, $1.73/ea
X1 Tools M20 x 2.5 mm Performance Zinc-Plated Steel Thin-Profile Nylon-Insert Locknuts, 200PK X1E-FAS-NUT-LOC-3496x200
X1 Tools

M20 x 2.5 mm Performance Zinc-Plated Steel Thin-Profile Nylon-Insert Locknuts, 200PK

Zoro # G522847418
Mfr # X1E-FAS-NUT-LOC-3496x200
product price: 
$3,123.99
/pk 200, $15.62/ea
X1 Tools 7/16-14 Ultra H.P. Yellow Zinc Plated Grade 8 Steel Nylon-Insert Locknuts, 50PK X1E-FAS-NUT-LOC-1022x50
X1 Tools

7/16-14 Ultra H.P. Yellow Zinc Plated Grade 8 Steel Nylon-Insert Locknuts, 50PK

Zoro # G422846801
Mfr # X1E-FAS-NUT-LOC-1022x50
product price: 
$61.39
/pk 50, $1.23/ea
X1 Tools 1/2-20 UHP Black-Oxide Grade 8 Steel Thin-Profile Nylon-Insert Locknuts, 400PK X1E-FAS-NUT-LOC-3226x400
X1 Tools

1/2-20 UHP Black-Oxide Grade 8 Steel Thin-Profile Nylon-Insert Locknuts, 400PK

Zoro # G622844829
Mfr # X1E-FAS-NUT-LOC-3226x400
product price: 
$1,328.99
/pk 400, $3.32/ea
X1 Tools 1-14 UHP Yellow Zinc Plated Grade 8 Steel Thin-Profile Nylon-Insert Locknuts, 15PK X1E-FAS-NUT-LOC-3038x15
X1 Tools

1-14 UHP Yellow Zinc Plated Grade 8 Steel Thin-Profile Nylon-Insert Locknuts, 15PK

Zoro # G822860575
Mfr # X1E-FAS-NUT-LOC-3038x15
product price: 
$219.99
/pk 15, $14.67/ea
X1 Tools 6-32 Performance Black-Corrosion-Resistant-Coated Steel Thin-Profile Nylon-Insert Locknuts, 75PK X1E-FAS-NUT-LOC-3610x75
X1 Tools

6-32 Performance Black-Corrosion-Resistant-Coated Steel Thin-Profile Nylon-Insert Locknuts, 75PK

Zoro # G022848977
Mfr # X1E-FAS-NUT-LOC-3610x75
product price: 
$260.99
/pk 75, $3.48/ea
Lock Nuts (10,000+ items) - Page 115
  • First
  • Previous
  • 115
    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 NutsWing NutsGeneral Washers
Hex Head Cap ScrewsSocket Head Cap ScrewsMachine 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