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
  • Promo Codes
  • Contact Us
Added to Cart
Skip to Main Content
FREE Shipping on orders over $50 after you .
Zoro Homepage
Close icon
Clipboard Icon Clipboard Icon Quick Order
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
Search Feedback

Lock Nuts (9,500+ items) - Page 124

X1 Tools 1/2-13 Corrosion-Resistant 316 Stainless Steel Thin-Profile Nylon-Insert Locknuts, 6PK X1E-FAS-NUT-LOC-3930x6
X1 Tools

1/2-13 Corrosion-Resistant 316 Stainless Steel Thin-Profile Nylon-Insert Locknuts, 6PK

Zoro # G222865712
Mfr # X1E-FAS-NUT-LOC-3930x6
product price: $22.45
/pk 6, $3.74/ea
X1 Tools 1 1/2-12 UHP Black-Oxide Grade 8 Steel Thin-Profile Nylon-Insert Locknuts, 50PK X1E-FAS-NUT-LOC-3240x50
X1 Tools

1 1/2-12 UHP Black-Oxide Grade 8 Steel Thin-Profile Nylon-Insert Locknuts, 50PK

Zoro # G622850943
Mfr # X1E-FAS-NUT-LOC-3240x50
product price: $2,767.99
/pk 50, $55.36/ea
X1 Tools 1 1/2-12 UHP Black-Oxide Grade 8 Steel Thin-Profile Nylon-Insert Locknuts X1E-FAS-NUT-LOC-3240x1
X1 Tools

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

Zoro # G622853234
Mfr # X1E-FAS-NUT-LOC-3240x1
product price: $50.35
/ea
X1 Tools 5/16-24 UHP Black-Oxide Grade 8 Steel Thin-Profile Nylon-Insert Locknuts, 12PK X1E-FAS-NUT-LOC-3216x12
X1 Tools

5/16-24 UHP Black-Oxide Grade 8 Steel Thin-Profile Nylon-Insert Locknuts, 12PK

Zoro # G522851347
Mfr # X1E-FAS-NUT-LOC-3216x12
product price: $39.15
/pk 12, $3.26/ea
X1 Tools 1/2-20 Performance Zinc-Plated Steel Nylon-Insert Locknuts X1E-FAS-NUT-LOC-1946x1
X1 Tools

1/2-20 Performance Zinc-Plated Steel Nylon-Insert Locknuts

Zoro # G322866572
Mfr # X1E-FAS-NUT-LOC-1946x1
product price: $1.25
/ea
X1 Tools 7/16-20 Corrosion-Resistant 18-8 Stainless Steel Nylon-Insert Locknuts, 250PK X1E-FAS-NUT-LOC-2132x250
X1 Tools

7/16-20 Corrosion-Resistant 18-8 Stainless Steel Nylon-Insert Locknuts, 250PK

Zoro # G922847254
Mfr # X1E-FAS-NUT-LOC-2132x250
product price: $240.99
/pk 250, $0.96/ea
X1 Tools 7/8-9 Corrosion-Resistant 18-8 Stainless Steel Thin-Profile Nylon-Insert Locknuts, 12PK X1E-FAS-NUT-LOC-3750x12
X1 Tools

7/8-9 Corrosion-Resistant 18-8 Stainless Steel Thin-Profile Nylon-Insert Locknuts, 12PK

Zoro # G522862312
Mfr # X1E-FAS-NUT-LOC-3750x12
product price: $242.99
/pk 12, $20.25/ea
X1 Tools 3/8-16 UHP Yellow Zinc Plated Grade 8 Steel Thin-Profile Nylon-Insert Locknuts, 250PK X1E-FAS-NUT-LOC-3018x250
X1 Tools

3/8-16 UHP Yellow Zinc Plated Grade 8 Steel Thin-Profile Nylon-Insert Locknuts, 250PK

Zoro # G522850302
Mfr # X1E-FAS-NUT-LOC-3018x250
product price: $106.99
/pk 250, $0.43/ea
X1 Tools 1 1/2-6 Corrosion-Resistant 18-8 Stainless Steel Thin-Profile Nylon-Insert Locknuts, 1000PK X1E-FAS-NUT-LOC-3764x1000
X1 Tools

1 1/2-6 Corrosion-Resistant 18-8 Stainless Steel Thin-Profile Nylon-Insert Locknuts, 1000PK

Zoro # G222862742
Mfr # X1E-FAS-NUT-LOC-3764x1000
product price: $62,275.99
/pk 1000, $62.28/ea
X1 Tools 3/8-16 Black-Oxide 18-8 Stainless Steel Thin-Profile Nylon-Insert Locknuts, 1000PK X1E-FAS-NUT-LOC-3824x1000
X1 Tools

3/8-16 Black-Oxide 18-8 Stainless Steel Thin-Profile Nylon-Insert Locknuts, 1000PK

Zoro # G722849427
Mfr # X1E-FAS-NUT-LOC-3824x1000
product price: $1,077.99
/pk 1000, $1.08/ea
Newport Fasteners Nylon Insert Lock Nut, #8-36, 316 Stainless Steel, Not Graded, 5000 PK 791782-BR-5000
Newport Fasteners

Nylon Insert Lock Nut, #8-36, 316 Stainless Steel, Not Graded, 5000 PK

Zoro # G006329621
Mfr # 791782-BR-5000
product price: $881.99
/pk 5000, $0.18/ea
X1 Tools 3/8-16 Black-Oxide Corrosion-Resistant 18-8 Stainless Steel Thin-Profile Nylon-Insert Locknut, 100PK X1E-FAS-NUT-LOC-3824x100
X1 Tools

3/8-16 Black-Oxide Corrosion-Resistant 18-8 Stainless Steel Thin-Profile Nylon-Insert Locknut, 100PK

Zoro # G022867619
Mfr # X1E-FAS-NUT-LOC-3824x100
product price: $119.99
/pk 100, $1.20/ea
Oxoxo 1/4-20 Serrated Flange Hex Lock Nuts Case Hardened HR15N 78/90 Zinc And Bake, 2000PK 170332
Oxoxo

1/4-20 Serrated Flange Hex Lock Nuts Case Hardened HR15N 78/90 Zinc And Bake, 2000PK

Zoro # G022683653
Mfr # 170332
product price: $129.99
/pk 2000, $0.06/ea
Oxoxo M3-0.5 Metric Class 8 K Lock Nut Black Oxide And Oil, 5000PK 636533
Oxoxo

M3-0.5 Metric Class 8 K Lock Nut Black Oxide And Oil, 5000PK

Zoro # G622684685
Mfr # 636533
product price: $242.99
/pk 5000, $0.05/ea
X1 Tools 7/8-14 Ultra Hi Performance Black-Oxide Steel Nylon-Insert Locknuts, 4PK X1E-FAS-NUT-LOC-1244x4
X1 Tools

7/8-14 Ultra Hi Performance Black-Oxide Steel Nylon-Insert Locknuts, 4PK

Zoro # G622852596
Mfr # X1E-FAS-NUT-LOC-1244x4
product price: $28.75
/pk 4, $7.19/ea
X1 Tools 1 1/8-7 Corrosion-Resistant 18-8 Stainless Steel Nylon-Insert Locknuts, 500PK X1E-FAS-NUT-LOC-2146x500
X1 Tools

1 1/8-7 Corrosion-Resistant 18-8 Stainless Steel Nylon-Insert Locknuts, 500PK

Zoro # G722864376
Mfr # X1E-FAS-NUT-LOC-2146x500
product price: $13,428.99
/pk 500, $26.86/ea
X1 Tools 7/8-14 Performance Zinc-Plated Steel Thin-Profile Nylon-Insert Locknuts X1E-FAS-NUT-LOC-3460x1
X1 Tools

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

Zoro # G822848313
Mfr # X1E-FAS-NUT-LOC-3460x1
product price: $5.25
/ea
X1 Tools 1 1/8-7 Corrosion-Resistant 18-8 Stainless Steel Thin-Profile Nylon-Insert Locknuts, 12PK X1E-FAS-NUT-LOC-3758x12
X1 Tools

1 1/8-7 Corrosion-Resistant 18-8 Stainless Steel Thin-Profile Nylon-Insert Locknuts, 12PK

Zoro # G822859074
Mfr # X1E-FAS-NUT-LOC-3758x12
product price: $438.99
/pk 12, $36.58/ea
X1 Tools 5/8-11 Ultra H.P. Yellow Zinc Plated Grade 8 Steel Nylon-Insert Locknuts, 2PK X1E-FAS-NUT-LOC-1034x2
X1 Tools

5/8-11 Ultra H.P. Yellow Zinc Plated Grade 8 Steel Nylon-Insert Locknuts, 2PK

Zoro # G922846028
Mfr # X1E-FAS-NUT-LOC-1034x2
product price: $12.15
/pk 2, $6.08/ea
X1 Tools 5/16-24 Corrosion-Resistant 18-8 Stainless Steel Thin-Profile Nylon-Insert Locknuts, 100PK X1E-FAS-NUT-LOC-3726x100
X1 Tools

5/16-24 Corrosion-Resistant 18-8 Stainless Steel Thin-Profile Nylon-Insert Locknuts, 100PK

Zoro # G322854456
Mfr # X1E-FAS-NUT-LOC-3726x100
product price: $45.89
/pk 100, $0.46/ea
X1 Tools 5/8-18 Performance Zinc-Plated Steel Nylon-Insert Locknuts, 150PK X1E-FAS-NUT-LOC-1954x150
X1 Tools

5/8-18 Performance Zinc-Plated Steel Nylon-Insert Locknuts, 150PK

Zoro # G822851214
Mfr # X1E-FAS-NUT-LOC-1954x150
product price: $179.99
/pk 150, $1.20/ea
X1 Tools 1/4-20 Black-Oxide Corrosion-Resistant 18-8 Stainless Steel Thin-Profile Nylon-Insert Locknuts, 8PK X1E-FAS-NUT-LOC-3820x8
X1 Tools

1/4-20 Black-Oxide Corrosion-Resistant 18-8 Stainless Steel Thin-Profile Nylon-Insert Locknuts, 8PK

Zoro # G822858183
Mfr # X1E-FAS-NUT-LOC-3820x8
product price: $12.79
/pk 8, $1.60/ea
X1 Tools 1/2-20 Performance Zinc-Plated Steel Nylon-Insert Locknuts, 1000PK X1E-FAS-NUT-LOC-1946x1000
X1 Tools

1/2-20 Performance Zinc-Plated Steel Nylon-Insert Locknuts, 1000PK

Zoro # G122865607
Mfr # X1E-FAS-NUT-LOC-1946x1000
product price: $705.99
/pk 1000, $0.71/ea
X1 Tools 7/8-14 Hi-Performance Zinc-Plated Steel Nylon-Insert Locknuts, 150PK X1E-FAS-NUT-LOC-1627x150
X1 Tools

7/8-14 Hi-Performance Zinc-Plated Steel Nylon-Insert Locknuts, 150PK

Zoro # G222850916
Mfr # X1E-FAS-NUT-LOC-1627x150
product price: $989.99
/pk 150, $6.60/ea
X1 Tools 7/16-20 Performance Zinc-Plated Steel Nylon-Insert Locknuts, 6PK X1E-FAS-NUT-LOC-1942x6
X1 Tools

7/16-20 Performance Zinc-Plated Steel Nylon-Insert Locknuts, 6PK

Zoro # G522860707
Mfr # X1E-FAS-NUT-LOC-1942x6
product price: $2.85
/pk 6, $0.48/ea
Newport Fasteners Serrated Lock Nut, 3/4"-16, Steel, Zinc Plated, 0.46 in Ht, 100 PK 634248
Newport Fasteners

Serrated Lock Nut, 3/4"-16, Steel, Zinc Plated, 0.46 in Ht, 100 PK

Zoro # G506308812
Mfr # 634248
product price: $608.99
/pk 100, $6.09/ea
X1 Tools 5/8-11 UHP Black-Oxide Grade 8 Steel Thin-Profile Nylon-Insert Locknuts, 15PK X1E-FAS-NUT-LOC-3228x15
X1 Tools

5/8-11 UHP Black-Oxide Grade 8 Steel Thin-Profile Nylon-Insert Locknuts, 15PK

Zoro # G822867475
Mfr # X1E-FAS-NUT-LOC-3228x15
product price: $82.75
/pk 15, $5.52/ea
X1 Tools 7/8-14 UHP Yellow Zinc Plated Grade 8 Steel Thin-Profile Nylon-Insert Locknuts, 4PK X1E-FAS-NUT-LOC-3036x4
X1 Tools

7/8-14 UHP Yellow Zinc Plated Grade 8 Steel Thin-Profile Nylon-Insert Locknuts, 4PK

Zoro # G522865863
Mfr # X1E-FAS-NUT-LOC-3036x4
product price: $50.25
/pk 4, $12.56/ea
X1 Tools 7/8-14 Performance Zinc-Plated Steel Thin-Profile Nylon-Insert Locknuts, 12PK X1E-FAS-NUT-LOC-3460x12
X1 Tools

7/8-14 Performance Zinc-Plated Steel Thin-Profile Nylon-Insert Locknuts, 12PK

Zoro # G622849602
Mfr # X1E-FAS-NUT-LOC-3460x12
product price: $52.39
/pk 12, $4.37/ea
X1 Tools 3/8-16 Corrosion-Resistant 18-8 Stainless Steel Nylon-Insert Locknuts, 25PK X1E-FAS-NUT-LOC-2129x25
X1 Tools

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

Zoro # G822847286
Mfr # X1E-FAS-NUT-LOC-2129x25
product price: $23.65
/pk 25, $0.95/ea
Heico-Lock 2-Piece Wedge Lock Nut, M14-2.0, Steel, Class 10, Zinc-Coated, 12 9/20 mm Ht, 30 PK HLMG-14/10
Heico-Lock

2-Piece Wedge Lock Nut, M14-2.0, Steel, Class 10, Zinc-Coated, 12 9/20 mm Ht, 30 PK

Zoro # G111471420
Mfr # HLMG-14/10
product price: $86.99
/pk 30, $2.90/ea
X1 Tools 7/8-9 Corrosion-Resistant 18-8 Stainless Steel Thin-Profile Nylon-Insert Locknuts, 2PK X1E-FAS-NUT-LOC-3750x2
X1 Tools

7/8-9 Corrosion-Resistant 18-8 Stainless Steel Thin-Profile Nylon-Insert Locknuts, 2PK

Zoro # G822847309
Mfr # X1E-FAS-NUT-LOC-3750x2
product price: $46.75
/pk 2, $23.38/ea
Newport Fasteners Nylon Insert Lock Nut, M14-2.00, Steel, Class 8, Zinc Plated, 50 PK 567617-PR-50
Newport Fasteners

Nylon Insert Lock Nut, M14-2.00, Steel, Class 8, Zinc Plated, 50 PK

Zoro # G806330025
Mfr # 567617-PR-50
product price: $75.15
/pk 50, $1.50/ea
X1 Tools 1-8 Hi Performance Zinc-Plated Steel Thin-Profile Nylon-Insert Locknuts, 150PK X1E-FAS-NUT-LOC-3320x150
X1 Tools

1-8 Hi Performance Zinc-Plated Steel Thin-Profile Nylon-Insert Locknuts, 150PK

Zoro # G522845780
Mfr # X1E-FAS-NUT-LOC-3320x150
product price: $2,343.99
/pk 150, $15.63/ea
X1 Tools 3/4-16 Ultra H.P. Yellow Zinc Plated Grade 8 Steel Nylon-Insert Locknuts, 8PK X1E-FAS-NUT-LOC-1040x8
X1 Tools

3/4-16 Ultra H.P. Yellow Zinc Plated Grade 8 Steel Nylon-Insert Locknuts, 8PK

Zoro # G722845986
Mfr # X1E-FAS-NUT-LOC-1040x8
product price: $37.15
/pk 8, $4.64/ea
X1 Tools 5/16-18 Corrosion-Resistant 18-8 Stainless Steel Nylon-Insert Locknuts, 8PK X1E-FAS-NUT-LOC-2127x8
X1 Tools

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

Zoro # G622859359
Mfr # X1E-FAS-NUT-LOC-2127x8
product price: $5.15
/pk 8, $0.64/ea
Lock Nuts (9,500+ items) - Page 124
  • First
  • Previous
  • 124
    of 276 pages
  • Next
  • Last

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
10-24 lock nut10-24 washer10-24 nylon lock nut10-32 lock nuts10-24 nylock
10-24 nylon10-32 nut10-32 lock nut10-32 stainless nut1 1 2 lock nut

Sign Up & 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
  • Promo Codes
  • Sitemap
  • Track My Order

Services

  • Customer Service
  • FAQs
  • Net 30 Terms
  • Reseller Program
  • Sell on Zoro
  • Participate in Research

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