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 127

X1 Tools 7/8-14 Corrosion-Resistant 18-8 Stainless Steel Nylon-Insert Locknuts, 200PK X1E-FAS-NUT-LOC-2142x200
X1 Tools

7/8-14 Corrosion-Resistant 18-8 Stainless Steel Nylon-Insert Locknuts, 200PK

Zoro # G222867051
Mfr # X1E-FAS-NUT-LOC-2142x200
product price: $3,847.99
/pk 200, $19.24/ea
X1 Tools 3/8-16 Performance Zinc-Plated Steel Thin-Profile Nylon-Insert Locknuts, 6PK X1E-FAS-NUT-LOC-3434x6
X1 Tools

3/8-16 Performance Zinc-Plated Steel Thin-Profile Nylon-Insert Locknuts, 6PK

Zoro # G522852184
Mfr # X1E-FAS-NUT-LOC-3434x6
product price: $1.79
/pk 6, $0.30/ea
X1 Tools 3/8-24 Corrosion-Resistant 316 Stainless Steel Nylon-Insert Locknuts, 500PK X1E-FAS-NUT-LOC-2334x500
X1 Tools

3/8-24 Corrosion-Resistant 316 Stainless Steel Nylon-Insert Locknuts, 500PK

Zoro # G922863865
Mfr # X1E-FAS-NUT-LOC-2334x500
product price: $420.99
/pk 500, $0.84/ea
X1 Tools 3/4-10 Hi-Performance Zinc-Plated Steel Nylon-Insert Locknuts, 4PK X1E-FAS-NUT-LOC-1624x4
X1 Tools

3/4-10 Hi-Performance Zinc-Plated Steel Nylon-Insert Locknuts, 4PK

Zoro # G522864736
Mfr # X1E-FAS-NUT-LOC-1624x4
product price: $13.19
/pk 4, $3.30/ea
X1 Tools 10-32 Performance Zinc-Plated Steel Thin-Profile Nylon-Insert Locknuts, 250PK X1E-FAS-NUT-LOC-3422x250
X1 Tools

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

Zoro # G122847702
Mfr # X1E-FAS-NUT-LOC-3422x250
product price: $27.65
/pk 250, $0.11/ea
X1 Tools 7/16-20 Performance Zinc-Plated Steel Nylon-Insert Locknuts, 120PK X1E-FAS-NUT-LOC-1942x120
X1 Tools

7/16-20 Performance Zinc-Plated Steel Nylon-Insert Locknuts, 120PK

Zoro # G322847144
Mfr # X1E-FAS-NUT-LOC-1942x120
product price: $48.15
/pk 120, $0.40/ea
X1 Tools 5/16-18 Corrosion-Resistant 18-8 Stainless Steel Nylon-Insert Locknuts, 12PK X1E-FAS-NUT-LOC-2127x12
X1 Tools

5/16-18 Corrosion-Resistant 18-8 Stainless Steel Nylon-Insert Locknuts, 12PK

Zoro # G022852899
Mfr # X1E-FAS-NUT-LOC-2127x12
product price: $11.25
/pk 12, $0.94/ea
X1 Tools 3/4-10 Corrosion-Resistant 18-8 Stainless Steel Thin-Profile Nylon-Insert Locknuts, 400PK X1E-FAS-NUT-LOC-3746x400
X1 Tools

3/4-10 Corrosion-Resistant 18-8 Stainless Steel Thin-Profile Nylon-Insert Locknuts, 400PK

Zoro # G322858447
Mfr # X1E-FAS-NUT-LOC-3746x400
product price: $6,666.99
/pk 400, $16.67/ea
X1 Tools 1-8 Hi-Performance Zinc-Plated Steel Nylon-Insert Locknuts, 120PK X1E-FAS-NUT-LOC-1628x120
X1 Tools

1-8 Hi-Performance Zinc-Plated Steel Nylon-Insert Locknuts, 120PK

Zoro # G222859551
Mfr # X1E-FAS-NUT-LOC-1628x120
product price: $1,096.99
/pk 120, $9.14/ea
X1 Tools M16 x 2 mm Performance Zinc-Plated Steel Thin-Profile Nylon-Insert Locknuts, 6PK X1E-FAS-NUT-LOC-3492x6
X1 Tools

M16 x 2 mm Performance Zinc-Plated Steel Thin-Profile Nylon-Insert Locknuts, 6PK

Zoro # G022851571
Mfr # X1E-FAS-NUT-LOC-3492x6
product price: $49.95
/pk 6, $8.33/ea
Newport Fasteners Nylon Insert Lock Nut, 3/8"-24, 316 Stainless Steel, Not Graded, 2500 PK 701107-BR-2500
Newport Fasteners

Nylon Insert Lock Nut, 3/8"-24, 316 Stainless Steel, Not Graded, 2500 PK

Zoro # G706329761
Mfr # 701107-BR-2500
product price: $1,221.99
/pk 2500, $0.49/ea
Oxoxo 1/4-20 NE Nylon Insert Hex Lock Nut Zinc, 2000PK 170347
Oxoxo

1/4-20 NE Nylon Insert Hex Lock Nut Zinc, 2000PK

Zoro # G322667278
Mfr # 170347
product price: $82.85
/pk 2000, $0.04/ea
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 400, $27.03/ea
Oxoxo 5/16-18 K Lock Nut Zinc Yellow and Bake, 1500PK 414874
Oxoxo

5/16-18 K Lock Nut Zinc Yellow and Bake, 1500PK

Zoro # G222664810
Mfr # 414874
product price: $448.99
/pk 1500, $0.30/ea
X1 Tools 7/8-14 Corrosion-Resistant 18-8 Stainless Steel Nylon-Insert Locknuts, 400PK X1E-FAS-NUT-LOC-2142x400
X1 Tools

7/8-14 Corrosion-Resistant 18-8 Stainless Steel Nylon-Insert Locknuts, 400PK

Zoro # G422867820
Mfr # X1E-FAS-NUT-LOC-2142x400
product price: $7,559.99
/pk 400, $18.90/ea
X1 Tools 7/8-9 Corrosion-Resistant 18-8 Stainless Steel Thin-Profile Nylon-Insert Locknuts, 50PK X1E-FAS-NUT-LOC-3750x50
X1 Tools

7/8-9 Corrosion-Resistant 18-8 Stainless Steel Thin-Profile Nylon-Insert Locknuts, 50PK

Zoro # G022845839
Mfr # X1E-FAS-NUT-LOC-3750x50
product price: $973.99
/pk 50, $19.48/ea
X1 Tools 4-40 Performance Zinc-Plated Steel Nylon-Insert Locknuts, 75PK X1E-FAS-NUT-LOC-1914x75
X1 Tools

4-40 Performance Zinc-Plated Steel Nylon-Insert Locknuts, 75PK

Zoro # G222864968
Mfr # X1E-FAS-NUT-LOC-1914x75
product price: $12.75
/pk 75, $0.17/ea
X1 Tools 1-14 Corrosion-Resistant 18-8 Stainless Steel Thin-Profile Nylon-Insert Locknuts, 8PK X1E-FAS-NUT-LOC-3756x8
X1 Tools

1-14 Corrosion-Resistant 18-8 Stainless Steel Thin-Profile Nylon-Insert Locknuts, 8PK

Zoro # G422864010
Mfr # X1E-FAS-NUT-LOC-3756x8
product price: $336.99
/pk 8, $42.12/ea
X1 Tools 7/8-14 Corrosion-Resistant 18-8 Stainless Steel Thin-Profile Nylon-Insert Locknuts, 6PK X1E-FAS-NUT-LOC-3752x6
X1 Tools

7/8-14 Corrosion-Resistant 18-8 Stainless Steel Thin-Profile Nylon-Insert Locknuts, 6PK

Zoro # G022865882
Mfr # X1E-FAS-NUT-LOC-3752x6
product price: $222.99
/pk 6, $37.17/ea
X1 Tools 1 1/2-6 Hi-Performance Zinc-Plated Steel Nylon-Insert Locknuts, 200PK X1E-FAS-NUT-LOC-1632x200
X1 Tools

1 1/2-6 Hi-Performance Zinc-Plated Steel Nylon-Insert Locknuts, 200PK

Zoro # G122858852
Mfr # X1E-FAS-NUT-LOC-1632x200
product price: $9,788.99
/pk 200, $48.94/ea
X1 Tools 5/16-18 Corrosion-Resistant 18-8 Stainless Steel Nylon-Insert Locknuts, 20PK X1E-FAS-NUT-LOC-2127x20
X1 Tools

5/16-18 Corrosion-Resistant 18-8 Stainless Steel Nylon-Insert Locknuts, 20PK

Zoro # G222847657
Mfr # X1E-FAS-NUT-LOC-2127x20
product price: $15.45
/pk 20, $0.77/ea
X1 Tools 5/16-24 Ultra H.P. Yellow Zinc Plated Grade 8 Steel Nylon-Insert Locknuts, 400PK X1E-FAS-NUT-LOC-1016x400
X1 Tools

5/16-24 Ultra H.P. Yellow Zinc Plated Grade 8 Steel Nylon-Insert Locknuts, 400PK

Zoro # G622844287
Mfr # X1E-FAS-NUT-LOC-1016x400
product price: $248.99
/pk 400, $0.62/ea
X1 Tools 3/4-16 Corrosion-Resistant 18-8 Stainless Steel Nylon-Insert Locknuts, 250PK X1E-FAS-NUT-LOC-2140x250
X1 Tools

3/4-16 Corrosion-Resistant 18-8 Stainless Steel Nylon-Insert Locknuts, 250PK

Zoro # G022858181
Mfr # X1E-FAS-NUT-LOC-2140x250
product price: $1,672.99
/pk 250, $6.69/ea
X1 Tools 1 1/2-6 Hi-Performance Zinc-Plated Steel Nylon-Insert Locknuts, 2PK X1E-FAS-NUT-LOC-1632x2
X1 Tools

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

Zoro # G922852791
Mfr # X1E-FAS-NUT-LOC-1632x2
product price: $74.59
/pk 2, $37.30/ea
X1 Tools 3/8-16 Ultra H.P. Yellow Zinc Plated Grade 8 Steel Nylon-Insert Locknuts, 25PK X1E-FAS-NUT-LOC-1018x25
X1 Tools

3/8-16 Ultra H.P. Yellow Zinc Plated Grade 8 Steel Nylon-Insert Locknuts, 25PK

Zoro # G522844486
Mfr # X1E-FAS-NUT-LOC-1018x25
product price: $23.29
/pk 25, $0.93/ea
X1 Tools 1/2-13 UHP Yellow Zinc Plated Grade 8 Steel Thin-Profile Nylon-Insert Locknuts, 15PK X1E-FAS-NUT-LOC-3026x15
X1 Tools

1/2-13 UHP Yellow Zinc Plated Grade 8 Steel Thin-Profile Nylon-Insert Locknuts, 15PK

Zoro # G622865176
Mfr # X1E-FAS-NUT-LOC-3026x15
product price: $25.89
/pk 15, $1.73/ea
X1 Tools 5/16-18 Performance Zinc-Plated Steel Thin-Profile Nylon-Insert Locknuts, 500PK X1E-FAS-NUT-LOC-3430x500
X1 Tools

5/16-18 Performance Zinc-Plated Steel Thin-Profile Nylon-Insert Locknuts, 500PK

Zoro # G722866677
Mfr # X1E-FAS-NUT-LOC-3430x500
product price: $81.29
/pk 500, $0.16/ea
X1 Tools 7/8-9 Performance Zinc-Plated Steel Thin-Profile Nylon-Insert Locknuts, 75PK X1E-FAS-NUT-LOC-3458x75
X1 Tools

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

Zoro # G322851714
Mfr # X1E-FAS-NUT-LOC-3458x75
product price: $278.99
/pk 75, $3.72/ea
Oxoxo 6-32 Serrated Flange Hex Lock Nuts Case Hardened HR15N 78/90 Black Zinc and Bake, 5000PK 607300
Oxoxo

6-32 Serrated Flange Hex Lock Nuts Case Hardened HR15N 78/90 Black Zinc and Bake, 5000PK

Zoro # G622696527
Mfr # 607300
product price: $393.99
/pk 5000, $0.08/ea
Zoro Select Top Lock Distorted Thread Lock Nut, 1"-14, Steel, Grade C, Waxed Zinc Yellow, 7/8 in Ht, 10 PK 3XTP4
Zoro Select

Top Lock Distorted Thread Lock Nut, 1"-14, Steel, Grade C, Waxed Zinc Yellow, 7/8 in Ht, 10 PK

Zoro # G0248202
Mfr # 3XTP4
product price: $50.89
/pk 10, $5.09/ea
X1 Tools 1/2-13 Performance Black-Corrosion-Resistant-Coated Steel Nylon-Insert Locknuts, 15PK X1E-FAS-NUT-LOC-2024x15
X1 Tools

1/2-13 Performance Black-Corrosion-Resistant-Coated Steel Nylon-Insert Locknuts, 15PK

Zoro # G422856770
Mfr # X1E-FAS-NUT-LOC-2024x15
product price: $79.99
/pk 15, $5.33/ea
X1 Tools M4 x 0.7 mm Performance Zinc-Plated Steel Thin-Profile Nylon-Insert Locknuts, 25PK X1E-FAS-NUT-LOC-3478x25
X1 Tools

M4 x 0.7 mm Performance Zinc-Plated Steel Thin-Profile Nylon-Insert Locknuts, 25PK

Zoro # G922864145
Mfr # X1E-FAS-NUT-LOC-3478x25
product price: $22.25
/pk 25, $0.89/ea
X1 Tools 1/4-20 Ultra Hi Performance Black-Oxide Steel Nylon-Insert Locknuts, 50PK X1E-FAS-NUT-LOC-1210x50
X1 Tools

1/4-20 Ultra Hi Performance Black-Oxide Steel Nylon-Insert Locknuts, 50PK

Zoro # G822851719
Mfr # X1E-FAS-NUT-LOC-1210x50
product price: $28.79
/pk 50, $0.58/ea
Oxoxo M10-1.5 Din6926/ISO7043 Metric class 8 Prevail Torq Nylon Insert Hex Flange Lock Nut Z/Y, 750PK 616344
Oxoxo

M10-1.5 Din6926/ISO7043 Metric class 8 Prevail Torq Nylon Insert Hex Flange Lock Nut Z/Y, 750PK

Zoro # G722694812
Mfr # 616344
product price: $195.99
/pk 750, $0.26/ea
Oxoxo 3/8-16 Stover Alternative Lock Nut Grade B Cad And Wax, 1000PK 498996
Oxoxo

3/8-16 Stover Alternative Lock Nut Grade B Cad And Wax, 1000PK

Zoro # G622697050
Mfr # 498996
product price: $298.99
/pk 1000, $0.30/ea
X1 Tools 1-8 Corrosion-Resistant 18-8 Stainless Steel Thin-Profile Nylon-Insert Locknuts X1E-FAS-NUT-LOC-3754x1
X1 Tools

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

Zoro # G222850343
Mfr # X1E-FAS-NUT-LOC-3754x1
product price: $31.19
/ea
Lock Nuts (9,500+ items) - Page 127
  • First
  • Previous
  • 127
    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
10-32 stainless nut10-24 lock nut10-24 nylon10-32 washer10-32 nylon nut
1 1 2 lock nut10-24 nylock10-32 lock nuts10-32 nut10-24 nylon 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