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 Customer Service
Cart Icon
0
Cart Icon
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 78

No Product Image Available
Zoro Select

Lock Nut, Steel, 3/32", PK25

Zoro # G322963608
Mfr # FLJNFI031CAD-025P
product price:  $22.79
/pk 25, $0.91/ea
X1 Tools 3/8-24 Corrosion-Resistant 18-8 Stainless Steel Thin-Profile Nylon-Insert Locknuts X1E-FAS-NUT-LOC-3730x1
X1 Tools

3/8-24 Corrosion-Resistant 18-8 Stainless Steel Thin-Profile Nylon-Insert Locknuts

Zoro # G022848090
Mfr # X1E-FAS-NUT-LOC-3730x1
product price:  $1.19
/ea
X1 Tools 1/2-13 Performance Zinc-Plated Steel Thin-Profile Nylon-Insert Locknuts, 10PK X1E-FAS-NUT-LOC-3442x10
X1 Tools

1/2-13 Performance Zinc-Plated Steel Thin-Profile Nylon-Insert Locknuts, 10PK

Zoro # G622857843
Mfr # X1E-FAS-NUT-LOC-3442x10
product price:  $4.49
/pk 10, $0.45/ea
Oxoxo 5/16-18 Stover Alternative Automation Style Lock Nut Grade C Cad And Wax, 1000PK 181989
Oxoxo

5/16-18 Stover Alternative Automation Style Lock Nut Grade C Cad And Wax, 1000PK

Zoro # G322694205
Mfr # 181989
product price:  $185.99
/pk 1000, $0.19/ea
Oxoxo 9/16-18 Serrated Flange Hex Lock Nuts Case Hardened HR15N 78/90 Black Zinc and Bake, 150PK 607344
Oxoxo

9/16-18 Serrated Flange Hex Lock Nuts Case Hardened HR15N 78/90 Black Zinc and Bake, 150PK

Zoro # G722699336
Mfr # 607344
product price:  $409.99
/pk 150, $2.73/ea
X1 Tools M8 x 1.25 mm Performance Zinc-Plated Steel Thin-Profile Nylon-Insert Locknuts, 8PK X1E-FAS-NUT-LOC-3484x8
X1 Tools

M8 x 1.25 mm Performance Zinc-Plated Steel Thin-Profile Nylon-Insert Locknuts, 8PK

Zoro # G622864810
Mfr # X1E-FAS-NUT-LOC-3484x8
product price:  $26.19
/pk 8, $3.27/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 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 120, $0.52/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 50, $4.30/ea
X1 Tools 7/8-14 UHP Yellow Zinc Plated Grade 8 Steel Thin-Profile Nylon-Insert Locknuts, 1000PK X1E-FAS-NUT-LOC-3036x1000
X1 Tools

7/8-14 UHP Yellow Zinc Plated Grade 8 Steel Thin-Profile Nylon-Insert Locknuts, 1000PK

Zoro # G922861236
Mfr # X1E-FAS-NUT-LOC-3036x1000
product price:  $11,389.99
/pk 1000, $11.39/ea
X1 Tools 7/16-20 Ultra Hi Performance Grade 8 Steel Nylon-Insert Locknuts, 250PK X1E-FAS-NUT-LOC-1424x250
X1 Tools

7/16-20 Ultra Hi Performance Grade 8 Steel Nylon-Insert Locknuts, 250PK

Zoro # G622851476
Mfr # X1E-FAS-NUT-LOC-1424x250
product price:  $346.99
/pk 250, $1.39/ea
X1 Tools 3/4-16 Hi-Performance Zinc-Plated Steel Nylon-Insert Locknuts, 50PK X1E-FAS-NUT-LOC-1625x50
X1 Tools

3/4-16 Hi-Performance Zinc-Plated Steel Nylon-Insert Locknuts, 50PK

Zoro # G022858624
Mfr # X1E-FAS-NUT-LOC-1625x50
product price:  $94.95
/pk 50, $1.90/ea
X1 Tools 1 1/2-6 Hi-Performance Zinc-Plated Steel Nylon-Insert Locknuts, 120PK X1E-FAS-NUT-LOC-1632x120
X1 Tools

1 1/2-6 Hi-Performance Zinc-Plated Steel Nylon-Insert Locknuts, 120PK

Zoro # G422848478
Mfr # X1E-FAS-NUT-LOC-1632x120
product price:  $5,343.99
/pk 120, $44.53/ea
X1 Tools 1/2-13 UHP Yellow Zinc Plated Grade 8 Steel Thin-Profile Nylon-Insert Locknuts, 400PK X1E-FAS-NUT-LOC-3026x400
X1 Tools

1/2-13 UHP Yellow Zinc Plated Grade 8 Steel Thin-Profile Nylon-Insert Locknuts, 400PK

Zoro # G222859292
Mfr # X1E-FAS-NUT-LOC-3026x400
product price:  $486.99
/pk 400, $1.22/ea
X1 Tools 1-14 UHP Yellow Zinc Plated Grade 8 Steel Thin-Profile Nylon-Insert Locknuts, 12PK X1E-FAS-NUT-LOC-3038x12
X1 Tools

1-14 UHP Yellow Zinc Plated Grade 8 Steel Thin-Profile Nylon-Insert Locknuts, 12PK

Zoro # G122856902
Mfr # X1E-FAS-NUT-LOC-3038x12
product price:  $179.99
/pk 12, $15.00/ea
X1 Tools 1 1/4-7 Hi Performance Zinc-Plated Steel Thin-Profile Nylon-Insert Locknuts, 10PK X1E-FAS-NUT-LOC-3326x10
X1 Tools

1 1/4-7 Hi Performance Zinc-Plated Steel Thin-Profile Nylon-Insert Locknuts, 10PK

Zoro # G522844806
Mfr # X1E-FAS-NUT-LOC-3326x10
product price:  $456.99
/pk 10, $45.70/ea
X1 Tools 3/8-24 Corrosion-Resistant 316 Stainless Steel Nylon-Insert Locknuts, 6PK X1E-FAS-NUT-LOC-2334x6
X1 Tools

3/8-24 Corrosion-Resistant 316 Stainless Steel Nylon-Insert Locknuts, 6PK

Zoro # G022849424
Mfr # X1E-FAS-NUT-LOC-2334x6
product price:  $11.15
/pk 6, $1.86/ea
X1 Tools 3/8-16 Corrosion-Resistant 18-8 Stainless Steel Thin-Profile Nylon-Insert Locknuts, 6PK X1E-FAS-NUT-LOC-3728x6
X1 Tools

3/8-16 Corrosion-Resistant 18-8 Stainless Steel Thin-Profile Nylon-Insert Locknuts, 6PK

Zoro # G322865711
Mfr # X1E-FAS-NUT-LOC-3728x6
product price:  $4.25
/pk 6, $0.71/ea
X1 Tools 7/16-20 Corrosion-Resistant 18-8 Stainless Steel Thin-Profile Nylon-Insert Locknuts, 6PK X1E-FAS-NUT-LOC-3734x6
X1 Tools

7/16-20 Corrosion-Resistant 18-8 Stainless Steel Thin-Profile Nylon-Insert Locknuts, 6PK

Zoro # G922845670
Mfr # X1E-FAS-NUT-LOC-3734x6
product price:  $17.45
/pk 6, $2.91/ea
X1 Tools 8-32 Performance Zinc-Plated Steel Thin-Profile Nylon-Insert Locknuts, 8PK X1E-FAS-NUT-LOC-3418x8
X1 Tools

8-32 Performance Zinc-Plated Steel Thin-Profile Nylon-Insert Locknuts, 8PK

Zoro # G422865017
Mfr # X1E-FAS-NUT-LOC-3418x8
product price:  $1.35
/pk 8, $0.17/ea
X1 Tools 8-32 Performance Zinc-Plated Steel Nylon-Insert Locknuts, 2PK X1E-FAS-NUT-LOC-1920x2
X1 Tools

8-32 Performance Zinc-Plated Steel Nylon-Insert Locknuts, 2PK

Zoro # G222851418
Mfr # X1E-FAS-NUT-LOC-1920x2
product price:  $0.72
/pk 2, $0.36/ea
X1 Tools 10-32 Performance Zinc-Plated Steel Thin-Profile Nylon-Insert Locknuts, 25PK X1E-FAS-NUT-LOC-3422x25
X1 Tools

10-32 Performance Zinc-Plated Steel Thin-Profile Nylon-Insert Locknuts, 25PK

Zoro # G122865195
Mfr # X1E-FAS-NUT-LOC-3422x25
product price:  $2.95
/pk 25, $0.12/ea
X1 Tools 5/16-18 Corrosion-Resistant 316 Stainless Steel Nylon-Insert Locknuts, 2PK X1E-FAS-NUT-LOC-2328x2
X1 Tools

5/16-18 Corrosion-Resistant 316 Stainless Steel Nylon-Insert Locknuts, 2PK

Zoro # G422860630
Mfr # X1E-FAS-NUT-LOC-2328x2
product price:  $1.69
/pk 2, $0.85/ea
X1 Tools 5/8-11 UHP Black-Oxide Grade 8 Steel Thin-Profile Nylon-Insert Locknuts, 20PK X1E-FAS-NUT-LOC-3228x20
X1 Tools

5/8-11 UHP Black-Oxide Grade 8 Steel Thin-Profile Nylon-Insert Locknuts, 20PK

Zoro # G922845090
Mfr # X1E-FAS-NUT-LOC-3228x20
product price:  $106.99
/pk 20, $5.35/ea
X1 Tools 1/2-20 Black-Oxide C.R. 18-8 Stainless Steel Nylon-Insert Locknuts, 150PK X1E-FAS-NUT-LOC-2250x150
X1 Tools

1/2-20 Black-Oxide C.R. 18-8 Stainless Steel Nylon-Insert Locknuts, 150PK

Zoro # G622864865
Mfr # X1E-FAS-NUT-LOC-2250x150
product price:  $870.99
/pk 150, $5.81/ea
Oxoxo 1/4-20 NE Nylon Insert Hex Lock Nut 316 Stainless Steel, 1500PK 319485
Oxoxo

1/4-20 NE Nylon Insert Hex Lock Nut 316 Stainless Steel, 1500PK

Zoro # G822680852
Mfr # 319485
product price:  $381.99
/pk 1500, $0.25/ea
X1 Tools 5/8-18 UHP Black-Oxide Grade 8 Steel Thin-Profile Nylon-Insert Locknuts, 6PK X1E-FAS-NUT-LOC-3230x6
X1 Tools

5/8-18 UHP Black-Oxide Grade 8 Steel Thin-Profile Nylon-Insert Locknuts, 6PK

Zoro # G022850031
Mfr # X1E-FAS-NUT-LOC-3230x6
product price:  $33.15
/pk 6, $5.52/ea
X1 Tools 10-32 Corrosion-Resistant 18-8 Stainless Steel Thin-Profile Nylon-Insert Locknuts, 75PK X1E-FAS-NUT-LOC-3718x75
X1 Tools

10-32 Corrosion-Resistant 18-8 Stainless Steel Thin-Profile Nylon-Insert Locknuts, 75PK

Zoro # G222856208
Mfr # X1E-FAS-NUT-LOC-3718x75
product price:  $22.55
/pk 75, $0.30/ea
X1 Tools 7/8-9 Corrosion-Resistant 18-8 Stainless Steel Thin-Profile Nylon-Insert Locknuts, 10PK X1E-FAS-NUT-LOC-3750x10
X1 Tools

7/8-9 Corrosion-Resistant 18-8 Stainless Steel Thin-Profile Nylon-Insert Locknuts, 10PK

Zoro # G522852139
Mfr # X1E-FAS-NUT-LOC-3750x10
product price:  $204.99
/pk 10, $20.50/ea
X1 Tools M8 x 1 mm Hi-Performance Zinc-Plated Steel Nylon-Insert Locknuts, 500PK X1E-FAS-NUT-LOC-1640x500
X1 Tools

M8 x 1 mm Hi-Performance Zinc-Plated Steel Nylon-Insert Locknuts, 500PK

Zoro # G322853183
Mfr # X1E-FAS-NUT-LOC-1640x500
product price:  $382.99
/pk 500, $0.77/ea
X1 Tools 7/8-14 Hi-Performance Zinc-Plated Steel Nylon-Insert Locknuts, 500PK X1E-FAS-NUT-LOC-1627x500
X1 Tools

7/8-14 Hi-Performance Zinc-Plated Steel Nylon-Insert Locknuts, 500PK

Zoro # G422854714
Mfr # X1E-FAS-NUT-LOC-1627x500
product price:  $2,840.99
/pk 500, $5.68/ea
X1 Tools 1 1/8-7 Hi-Performance Zinc-Plated Steel Nylon-Insert Locknuts, 4PK X1E-FAS-NUT-LOC-1630x4
X1 Tools

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

Zoro # G522854508
Mfr # X1E-FAS-NUT-LOC-1630x4
product price:  $42.29
/pk 4, $10.57/ea
X1 Tools 1 1/4-7 Corrosion-Resistant 18-8 Stainless Steel Thin-Profile Nylon-Insert Locknuts, 6PK X1E-FAS-NUT-LOC-3760x6
X1 Tools

1 1/4-7 Corrosion-Resistant 18-8 Stainless Steel Thin-Profile Nylon-Insert Locknuts, 6PK

Zoro # G122865577
Mfr # X1E-FAS-NUT-LOC-3760x6
product price:  $280.99
/pk 6, $46.83/ea
X1 Tools 1/2-20 Black-Oxide C.R. 18-8 Stainless Steel Nylon-Insert Locknuts, 250PK X1E-FAS-NUT-LOC-2250x250
X1 Tools

1/2-20 Black-Oxide C.R. 18-8 Stainless Steel Nylon-Insert Locknuts, 250PK

Zoro # G222862667
Mfr # X1E-FAS-NUT-LOC-2250x250
product price:  $1,428.99
/pk 250, $5.72/ea
Newport Fasteners Lock Nut, 1/4"-28, Steel, Grade C, Zinc Plated, 0.14 in Ht, 4000 PK 775528-BR-4000
Newport Fasteners

Lock Nut, 1/4"-28, Steel, Grade C, Zinc Plated, 0.14 in Ht, 4000 PK

Zoro # G006331761
Mfr # 775528-BR-4000
product price:  $512.99
/pk 4000, $0.13/ea
X1 Tools 9/16-12 Performance Zinc-Plated Steel Nylon-Insert Locknuts, 100PK X1E-FAS-NUT-LOC-1948x100
X1 Tools

9/16-12 Performance Zinc-Plated Steel Nylon-Insert Locknuts, 100PK

Zoro # G922852685
Mfr # X1E-FAS-NUT-LOC-1948x100
product price:  $95.25
/pk 100, $0.95/ea
Lock Nuts (10,000+ items) - Page 78
  • First
  • Previous
  • 78
    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
flanged locknutlock nut nylon insertlock nut 5/16-183/8-16 nuts stainless steelnylon-insert locknuts
5/16-18 stainless steel boltdistorted thread lock nutserrated flange lock nutnylon insert flange nut3/8" flange 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