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 . Restrictions Apply
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 (10,000+ items) - Page 165

X1 Tools 1/2-20 Black-Oxide C.R. 18-8 Stainless Steel Nylon-Insert Locknuts X1E-FAS-NUT-LOC-2250x1
X1 Tools

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

Zoro # G522854577
Mfr # X1E-FAS-NUT-LOC-2250x1
product price:  $12.65
/ea
Oxoxo 10-24-0 Self Clinching Nut Zinc, 8000PK 132886
Oxoxo

10-24-0 Self Clinching Nut Zinc, 8000PK

Zoro # G622665837
Mfr # 132886
product price:  $1,540.99
/pk 8000, $0.19/ea
X1 Tools 3/8-24 Ultra H.P. Yellow Zinc Plated Grade 8 Steel Nylon-Insert Locknuts, 25PK X1E-FAS-NUT-LOC-1020x25
X1 Tools

3/8-24 Ultra H.P. Yellow Zinc Plated Grade 8 Steel Nylon-Insert Locknuts, 25PK

Zoro # G222844434
Mfr # X1E-FAS-NUT-LOC-1020x25
product price:  $22.49
/pk 25, $0.90/ea
X1 Tools 3/4-16 Corrosion-Resistant 18-8 Stainless Steel Nylon-Insert Locknuts, 6PK X1E-FAS-NUT-LOC-2140x6
X1 Tools

3/4-16 Corrosion-Resistant 18-8 Stainless Steel Nylon-Insert Locknuts, 6PK

Zoro # G322860402
Mfr # X1E-FAS-NUT-LOC-2140x6
product price:  $38.49
/pk 6, $6.42/ea
X1 Tools 5/16-18 Performance Black-Corrosion-Resistant-Coated Steel Thin-Profile Nylon-Insert Locknuts, 200PK X1E-FAS-NUT-LOC-3620x200
X1 Tools

5/16-18 Performance Black-Corrosion-Resistant-Coated Steel Thin-Profile Nylon-Insert Locknuts, 200PK

Zoro # G322864707
Mfr # X1E-FAS-NUT-LOC-3620x200
product price:  $812.99
/pk 200, $4.06/ea
X1 Tools 7/16-20 Performance Zinc-Plated Steel Thin-Profile Nylon-Insert Locknuts, 120PK X1E-FAS-NUT-LOC-3440x120
X1 Tools

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

Zoro # G322862291
Mfr # X1E-FAS-NUT-LOC-3440x120
product price:  $38.99
/pk 120, $0.32/ea
X1 Tools 4-40 Corrosion-Resistant 18-8 Stainless Steel Thin-Profile Nylon-Insert Locknuts, 200PK X1E-FAS-NUT-LOC-3710x200
X1 Tools

4-40 Corrosion-Resistant 18-8 Stainless Steel Thin-Profile Nylon-Insert Locknuts, 200PK

Zoro # G222859049
Mfr # X1E-FAS-NUT-LOC-3710x200
product price:  $49.79
/pk 200, $0.25/ea
X1 Tools 1/4-20 Corrosion-Resistant 316 Stainless Steel Thin-Profile Nylon-Insert Locknuts, 20PK X1E-FAS-NUT-LOC-3914x20
X1 Tools

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

Zoro # G522848156
Mfr # X1E-FAS-NUT-LOC-3914x20
product price:  $19.25
/pk 20, $0.96/ea
Newport Fasteners Nylon Insert Lock Nut, 3/8"-16, 316 Stainless Steel, Not Graded, 2500 PK 109370-BR-2500
Newport Fasteners

Nylon Insert Lock Nut, 3/8"-16, 316 Stainless Steel, Not Graded, 2500 PK

Zoro # G906328069
Mfr # 109370-BR-2500
product price:  $716.99
/pk 2500, $0.29/ea
X1 Tools 1 1/8-7 Hi-Performance Zinc-Plated Steel Nylon-Insert Locknuts, 2PK X1E-FAS-NUT-LOC-1630x2
X1 Tools

1 1/8-7 Hi-Performance Zinc-Plated Steel Nylon-Insert Locknuts, 2PK

Zoro # G322864523
Mfr # X1E-FAS-NUT-LOC-1630x2
product price:  $24.15
/pk 2, $12.08/ea
No Product Image Available
Zoro Select

Lock Nut, Steel, 13/64", PK2

Zoro # G922962490
Mfr # FLHJI100-002P
product price:  $24.79
/pk 2, $12.40/ea
X1 Tools 1/4-28 Ultra H.P. Yellow Zinc Plated Grade 8 Steel Nylon-Insert Locknuts, 200PK X1E-FAS-NUT-LOC-1012x200
X1 Tools

1/4-28 Ultra H.P. Yellow Zinc Plated Grade 8 Steel Nylon-Insert Locknuts, 200PK

Zoro # G222844236
Mfr # X1E-FAS-NUT-LOC-1012x200
product price:  $99.55
/pk 200, $0.50/ea
X1 Tools 9/16-18 Performance Zinc-Plated Steel Nylon-Insert Locknuts, 15PK X1E-FAS-NUT-LOC-1950x15
X1 Tools

9/16-18 Performance Zinc-Plated Steel Nylon-Insert Locknuts, 15PK

Zoro # G622847967
Mfr # X1E-FAS-NUT-LOC-1950x15
product price:  $21.45
/pk 15, $1.43/ea
X1 Tools M4 x 0.7 mm Performance Zinc-Plated Steel Thin-Profile Nylon-Insert Locknuts, 10PK X1E-FAS-NUT-LOC-3478x10
X1 Tools

M4 x 0.7 mm Performance Zinc-Plated Steel Thin-Profile Nylon-Insert Locknuts, 10PK

Zoro # G322852414
Mfr # X1E-FAS-NUT-LOC-3478x10
product price:  $12.95
/pk 10, $1.30/ea
X1 Tools 1-14 Corrosion-Resistant 18-8 Stainless Steel Nylon-Insert Locknuts, 1000PK X1E-FAS-NUT-LOC-2145x1000
X1 Tools

1-14 Corrosion-Resistant 18-8 Stainless Steel Nylon-Insert Locknuts, 1000PK

Zoro # G522862459
Mfr # X1E-FAS-NUT-LOC-2145x1000
product price:  $18,342.99
/pk 1000, $18.34/ea
X1 Tools 5/16-24 Corrosion-Resistant 316 Stainless Steel Nylon-Insert Locknuts, 500PK X1E-FAS-NUT-LOC-2330x500
X1 Tools

5/16-24 Corrosion-Resistant 316 Stainless Steel Nylon-Insert Locknuts, 500PK

Zoro # G222867136
Mfr # X1E-FAS-NUT-LOC-2330x500
product price:  $285.99
/pk 500, $0.57/ea
X1 Tools 5/16-18 Black-Oxide C.R. 18-8 Stainless Steel Nylon-Insert Locknuts, 10PK X1E-FAS-NUT-LOC-2236x10
X1 Tools

5/16-18 Black-Oxide C.R. 18-8 Stainless Steel Nylon-Insert Locknuts, 10PK

Zoro # G422866588
Mfr # X1E-FAS-NUT-LOC-2236x10
product price:  $13.49
/pk 10, $1.35/ea
Molex Nyl Locknut Pg29 Gy RAL7001 936000487
Molex

Nyl Locknut Pg29 Gy RAL7001

Zoro # G4044948
Mfr # 936000487
product price:  $1.15
/ea
Sold in mult. of 79 for $90.85
X1 Tools 5/16-18 Corrosion-Resistant 316 Stainless Steel Thin-Profile Nylon-Insert Locknuts X1E-FAS-NUT-LOC-3918x1
X1 Tools

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

Zoro # G322863892
Mfr # X1E-FAS-NUT-LOC-3918x1
product price:  $1.55
/ea
No Product Image Available
Zoro Select

Lock Nut, Steel, 1/4", PK5

Zoro # G122963860
Mfr # FLHHI062CAD-005P
product price:  $36.59
/pk 5, $7.32/ea
X1 Tools 5/8-11 Ultra H.P. Yellow Zinc Plated Grade 8 Steel Nylon-Insert Locknuts, 120PK X1E-FAS-NUT-LOC-1034x120
X1 Tools

5/8-11 Ultra H.P. Yellow Zinc Plated Grade 8 Steel Nylon-Insert Locknuts, 120PK

Zoro # G022850345
Mfr # X1E-FAS-NUT-LOC-1034x120
product price:  $348.99
/pk 120, $2.91/ea
X1 Tools 12-24 Performance Zinc-Plated Steel Nylon-Insert Locknuts, 200PK X1E-FAS-NUT-LOC-1926x200
X1 Tools

12-24 Performance Zinc-Plated Steel Nylon-Insert Locknuts, 200PK

Zoro # G122854694
Mfr # X1E-FAS-NUT-LOC-1926x200
product price:  $34.95
/pk 200, $0.17/ea
X1 Tools 6-32 Performance Black-Corrosion-Resistant-Coated Steel Nylon-Insert Locknuts, 4PK X1E-FAS-NUT-LOC-2010x4
X1 Tools

6-32 Performance Black-Corrosion-Resistant-Coated Steel Nylon-Insert Locknuts, 4PK

Zoro # G122845036
Mfr # X1E-FAS-NUT-LOC-2010x4
product price:  $21.15
/pk 4, $5.29/ea
X1 Tools 5/8-18 Performance Zinc-Plated Steel Thin-Profile Nylon-Insert Locknuts, 200PK X1E-FAS-NUT-LOC-3452x200
X1 Tools

5/8-18 Performance Zinc-Plated Steel Thin-Profile Nylon-Insert Locknuts, 200PK

Zoro # G122853550
Mfr # X1E-FAS-NUT-LOC-3452x200
product price:  $147.99
/pk 200, $0.74/ea
X1 Tools 10-32 Black-Oxide C.R. 18-8 Stainless Steel Nylon-Insert Locknuts, 250PK X1E-FAS-NUT-LOC-2228x250
X1 Tools

10-32 Black-Oxide C.R. 18-8 Stainless Steel Nylon-Insert Locknuts, 250PK

Zoro # G522851767
Mfr # X1E-FAS-NUT-LOC-2228x250
product price:  $238.99
/pk 250, $0.96/ea
X1 Tools 3/4-16 Hi-Performance Zinc-Plated Steel Nylon-Insert Locknuts, 10PK X1E-FAS-NUT-LOC-1625x10
X1 Tools

3/4-16 Hi-Performance Zinc-Plated Steel Nylon-Insert Locknuts, 10PK

Zoro # G822857001
Mfr # X1E-FAS-NUT-LOC-1625x10
product price:  $25.59
/pk 10, $2.56/ea
X1 Tools 1-14 Ultra Hi Performance Black-Oxide Steel Nylon-Insert Locknuts, 500PK X1E-FAS-NUT-LOC-1248x500
X1 Tools

1-14 Ultra Hi Performance Black-Oxide Steel Nylon-Insert Locknuts, 500PK

Zoro # G622851285
Mfr # X1E-FAS-NUT-LOC-1248x500
product price:  $4,870.99
/pk 500, $9.74/ea
X1 Tools 1 1/4-7 Performance Zinc-Plated Steel Nylon-Insert Locknuts, 1000PK X1E-FAS-NUT-LOC-1970x1000
X1 Tools

1 1/4-7 Performance Zinc-Plated Steel Nylon-Insert Locknuts, 1000PK

Zoro # G822864634
Mfr # X1E-FAS-NUT-LOC-1970x1000
product price:  $22,748.99
/pk 1000, $22.75/ea
X1 Tools 1 1/4-7 Hi Performance Zinc-Plated Steel Thin-Profile Nylon-Insert Locknuts, 500PK X1E-FAS-NUT-LOC-3326x500
X1 Tools

1 1/4-7 Hi Performance Zinc-Plated Steel Thin-Profile Nylon-Insert Locknuts, 500PK

Zoro # G422861064
Mfr # X1E-FAS-NUT-LOC-3326x500
product price:  $24,439.99
/pk 500, $48.88/ea
X1 Tools 7/16-14 UHP Yellow Zinc Plated Grade 8 Steel Thin-Profile Nylon-Insert Locknuts, 150PK X1E-FAS-NUT-LOC-3022x150
X1 Tools

7/16-14 UHP Yellow Zinc Plated Grade 8 Steel Thin-Profile Nylon-Insert Locknuts, 150PK

Zoro # G322857778
Mfr # X1E-FAS-NUT-LOC-3022x150
product price:  $133.99
/pk 150, $0.89/ea
No Product Image Available
Zoro Select

Lock Nut, Steel, 7/64", PK5

Zoro # G722964380
Mfr # FLHJI062CAD-005P
product price:  $21.49
/pk 5, $4.30/ea
X1 Tools 7/16-14 UHP Yellow Zinc Plated Grade 8 Steel Thin-Profile Nylon-Insert Locknuts, 100PK X1E-FAS-NUT-LOC-3022x100
X1 Tools

7/16-14 UHP Yellow Zinc Plated Grade 8 Steel Thin-Profile Nylon-Insert Locknuts, 100PK

Zoro # G322861225
Mfr # X1E-FAS-NUT-LOC-3022x100
product price:  $94.75
/pk 100, $0.95/ea
X1 Tools 3/8-24 Corrosion-Resistant 316 Stainless Steel Nylon-Insert Locknuts, 4PK X1E-FAS-NUT-LOC-2334x4
X1 Tools

3/8-24 Corrosion-Resistant 316 Stainless Steel Nylon-Insert Locknuts, 4PK

Zoro # G322867159
Mfr # X1E-FAS-NUT-LOC-2334x4
product price:  $4.99
/pk 4, $1.25/ea
X1 Tools M24 x 3 mm Performance Zinc-Plated Steel Nylon-Insert Locknuts, 20PK X1E-FAS-NUT-LOC-1994x20
X1 Tools

M24 x 3 mm Performance Zinc-Plated Steel Nylon-Insert Locknuts, 20PK

Zoro # G722849496
Mfr # X1E-FAS-NUT-LOC-1994x20
product price:  $114.99
/pk 20, $5.75/ea
Oxoxo 5/8-11 NE Nylon Insert Hex Lock Nut Zinc, 200PK 208785
Oxoxo

5/8-11 NE Nylon Insert Hex Lock Nut Zinc, 200PK

Zoro # G122689234
Mfr # 208785
product price:  $80.35
/pk 200, $0.40/ea
X1 Tools 1/2-20 Black-Oxide C.R. 18-8 Stainless Steel Nylon-Insert Locknuts, 1000PK X1E-FAS-NUT-LOC-2250x1000
X1 Tools

1/2-20 Black-Oxide C.R. 18-8 Stainless Steel Nylon-Insert Locknuts, 1000PK

Zoro # G122852386
Mfr # X1E-FAS-NUT-LOC-2250x1000
product price:  $6,291.99
/pk 1000, $6.29/ea
Lock Nuts (10,000+ items) - Page 165
  • First
  • Previous
  • 165
    of 277 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 nylon lock nut10-32 lock nut10-32 nut1 1 2 lock nut10-32 stainless nut
10-24 nylon10-32 nylon nut10-24 lock nut10-24 washer10-24 nylock

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