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 164

Oxoxo 9/16-12 Stover Alternative Automation Style Lock Nut Grade C Cad And Wax, 300PK 204181
Oxoxo

9/16-12 Stover Alternative Automation Style Lock Nut Grade C Cad And Wax, 300PK

Zoro # G822691100
Mfr # 204181
product price:  $183.99
/pk 300, $0.61/ea
X1 Tools 1/2-13 UHP Yellow Zinc Plated Grade 8 Steel Thin-Profile Nylon-Insert Locknuts, 10PK X1E-FAS-NUT-LOC-3026x10
X1 Tools

1/2-13 UHP Yellow Zinc Plated Grade 8 Steel Thin-Profile Nylon-Insert Locknuts, 10PK

Zoro # G122852553
Mfr # X1E-FAS-NUT-LOC-3026x10
product price:  $19.15
/pk 10, $1.91/ea
X1 Tools 2-56 Performance Zinc-Plated Steel Nylon-Insert Locknuts, 8PK X1E-FAS-NUT-LOC-1910x8
X1 Tools

2-56 Performance Zinc-Plated Steel Nylon-Insert Locknuts, 8PK

Zoro # G922863568
Mfr # X1E-FAS-NUT-LOC-1910x8
product price:  $1.55
/pk 8, $0.19/ea
Newport Fasteners Nylon Insert Lock Nut, #5-40, 18-8 Stainless Steel, Not Graded, 5000 PK 481299-BR-5000
Newport Fasteners

Nylon Insert Lock Nut, #5-40, 18-8 Stainless Steel, Not Graded, 5000 PK

Zoro # G806327780
Mfr # 481299-BR-5000
product price:  $621.99
/pk 5000, $0.12/ea
Oxoxo M6-1.0 Din 985 Metric Nylon Insert Hex Locknut 18 8 Stainless Steel, 4000PK 540883
Oxoxo

M6-1.0 Din 985 Metric Nylon Insert Hex Locknut 18 8 Stainless Steel, 4000PK

Zoro # G922690232
Mfr # 540883
product price:  $354.99
/pk 4000, $0.09/ea
X1 Tools 6-32 Performance Zinc-Plated Steel Thin-Profile Nylon-Insert Locknuts, 120PK X1E-FAS-NUT-LOC-3416x120
X1 Tools

6-32 Performance Zinc-Plated Steel Thin-Profile Nylon-Insert Locknuts, 120PK

Zoro # G022860566
Mfr # X1E-FAS-NUT-LOC-3416x120
product price:  $33.49
/pk 120, $0.28/ea
X1 Tools 5/8-18 Corrosion-Resistant 18-8 Stainless Steel Nylon-Insert Locknuts, 200PK X1E-FAS-NUT-LOC-2138x200
X1 Tools

5/8-18 Corrosion-Resistant 18-8 Stainless Steel Nylon-Insert Locknuts, 200PK

Zoro # G222863985
Mfr # X1E-FAS-NUT-LOC-2138x200
product price:  $632.99
/pk 200, $3.16/ea
Newport Fasteners Nylon Insert Lock Nut, M10-1.50, Steel, Class 8, Zinc Plated, 2500 PK 787117-BR-2500
Newport Fasteners

Nylon Insert Lock Nut, M10-1.50, Steel, Class 8, Zinc Plated, 2500 PK

Zoro # G306331591
Mfr # 787117-BR-2500
product price:  $629.99
/pk 2500, $0.25/ea
X1 Tools M12 x 1.75 mm Performance Zinc-Plated Steel Thin-Profile Nylon-Insert Locknuts, 250PK X1E-FAS-NUT-LOC-3488x250
X1 Tools

M12 x 1.75 mm Performance Zinc-Plated Steel Thin-Profile Nylon-Insert Locknuts, 250PK

Zoro # G022866124
Mfr # X1E-FAS-NUT-LOC-3488x250
product price:  $649.99
/pk 250, $2.60/ea
X1 Tools 1/4-28 Corrosion-Resistant 316 Stainless Steel Thin-Profile Nylon-Insert Locknuts, 50PK X1E-FAS-NUT-LOC-3916x50
X1 Tools

1/4-28 Corrosion-Resistant 316 Stainless Steel Thin-Profile Nylon-Insert Locknuts, 50PK

Zoro # G522864491
Mfr # X1E-FAS-NUT-LOC-3916x50
product price:  $35.75
/pk 50, $0.72/ea
X1 Tools 1 1/2-6 Hi Performance Zinc-Plated Steel Thin-Profile Nylon-Insert Locknuts, 200PK X1E-FAS-NUT-LOC-3330x200
X1 Tools

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

Zoro # G322856818
Mfr # X1E-FAS-NUT-LOC-3330x200
product price:  $11,153.99
/pk 200, $55.77/ea
X1 Tools 7/16-14 Performance Zinc-Plated Steel Thin-Profile Nylon-Insert Locknuts, 15PK X1E-FAS-NUT-LOC-3438x15
X1 Tools

7/16-14 Performance Zinc-Plated Steel Thin-Profile Nylon-Insert Locknuts, 15PK

Zoro # G922858892
Mfr # X1E-FAS-NUT-LOC-3438x15
product price:  $4.55
/pk 15, $0.30/ea
X1 Tools 1/4-28 Ultra H.P. Yellow Zinc Plated Grade 8 Steel Nylon-Insert Locknuts, 75PK X1E-FAS-NUT-LOC-1012x75
X1 Tools

1/4-28 Ultra H.P. Yellow Zinc Plated Grade 8 Steel Nylon-Insert Locknuts, 75PK

Zoro # G422844494
Mfr # X1E-FAS-NUT-LOC-1012x75
product price:  $42.29
/pk 75, $0.56/ea
X1 Tools 1 1/8-7 Performance Zinc-Plated Steel Nylon-Insert Locknuts, 12PK X1E-FAS-NUT-LOC-1968x12
X1 Tools

1 1/8-7 Performance Zinc-Plated Steel Nylon-Insert Locknuts, 12PK

Zoro # G322859727
Mfr # X1E-FAS-NUT-LOC-1968x12
product price:  $108.99
/pk 12, $9.08/ea
Zoro Select Lock Nut, 3/8"-16, Nylon, Black Oxide, 0.335 in Ht, 1000 PK 37NSTB
Zoro Select

Lock Nut, 3/8"-16, Nylon, Black Oxide, 0.335 in Ht, 1000 PK

Zoro # G2451721
Mfr # 37NSTB
product price:  $101.99
/pk 1000, $0.10/ea
Oxoxo 6-32-0 Self Clinching Nut 303 Stainless Steel, 5000PK 304502
Oxoxo

6-32-0 Self Clinching Nut 303 Stainless Steel, 5000PK

Zoro # G822669956
Mfr # 304502
product price:  $2,166.99
/pk 5000, $0.43/ea
X1 Tools 5/16-18 Black-Oxide C.R. 18-8 Stainless Steel Nylon-Insert Locknuts, 25PK X1E-FAS-NUT-LOC-2236x25
X1 Tools

5/16-18 Black-Oxide C.R. 18-8 Stainless Steel Nylon-Insert Locknuts, 25PK

Zoro # G922854542
Mfr # X1E-FAS-NUT-LOC-2236x25
product price:  $23.65
/pk 25, $0.95/ea
X1 Tools 1/2-13 Corrosion-Resistant 18-8 Stainless Steel Nylon-Insert Locknuts, 500PK X1E-FAS-NUT-LOC-2133x500
X1 Tools

1/2-13 Corrosion-Resistant 18-8 Stainless Steel Nylon-Insert Locknuts, 500PK

Zoro # G322856030
Mfr # X1E-FAS-NUT-LOC-2133x500
product price:  $972.99
/pk 500, $1.95/ea
X1 Tools 1-8 Hi-Performance Zinc-Plated Steel Nylon-Insert Locknuts, 250PK X1E-FAS-NUT-LOC-1628x250
X1 Tools

1-8 Hi-Performance Zinc-Plated Steel Nylon-Insert Locknuts, 250PK

Zoro # G922859264
Mfr # X1E-FAS-NUT-LOC-1628x250
product price:  $1,995.99
/pk 250, $7.98/ea
X1 Tools 10-32 Performance Black-Corrosion-Resistant-Coated Steel Thin-Profile Nylon-Insert Locknuts, 10PK X1E-FAS-NUT-LOC-3616x10
X1 Tools

10-32 Performance Black-Corrosion-Resistant-Coated Steel Thin-Profile Nylon-Insert Locknuts, 10PK

Zoro # G122855820
Mfr # X1E-FAS-NUT-LOC-3616x10
product price:  $47.49
/pk 10, $4.75/ea
X1 Tools 1-14 Hi Performance Zinc-Plated Steel Thin-Profile Nylon-Insert Locknuts, 20PK X1E-FAS-NUT-LOC-3322x20
X1 Tools

1-14 Hi Performance Zinc-Plated Steel Thin-Profile Nylon-Insert Locknuts, 20PK

Zoro # G022867244
Mfr # X1E-FAS-NUT-LOC-3322x20
product price:  $290.99
/pk 20, $14.55/ea
X1 Tools 5/16-24 Corrosion-Resistant 18-8 Stainless Steel Nylon-Insert Locknuts, 20PK X1E-FAS-NUT-LOC-2128x20
X1 Tools

5/16-24 Corrosion-Resistant 18-8 Stainless Steel Nylon-Insert Locknuts, 20PK

Zoro # G822862869
Mfr # X1E-FAS-NUT-LOC-2128x20
product price:  $13.95
/pk 20, $0.70/ea
Newport Fasteners Nylon Insert Lock Nut, 9/16"-12, 316 Stainless Steel, Not Graded, 750 PK 223447-BR-750
Newport Fasteners

Nylon Insert Lock Nut, 9/16"-12, 316 Stainless Steel, Not Graded, 750 PK

Zoro # G406327968
Mfr # 223447-BR-750
product price:  $2,185.99
/pk 750, $2.91/ea
Oxoxo 1/4-20-2 Self Clinching Nut 303 Stainless Steel, 2000PK 304656
Oxoxo

1/4-20-2 Self Clinching Nut 303 Stainless Steel, 2000PK

Zoro # G222676516
Mfr # 304656
product price:  $1,956.99
/pk 2000, $0.98/ea
Oxoxo 3/8-16X1 Conical K Keps Lock Nut Black Oxide And Oil, 1000PK 636655
Oxoxo

3/8-16X1 Conical K Keps Lock Nut Black Oxide And Oil, 1000PK

Zoro # G222700297
Mfr # 636655
product price:  $584.99
/pk 1000, $0.58/ea
X1 Tools 10-24 Black-Oxide Corrosion-Resistant 18-8 Stainless Steel Thin-Profile Nylon-Insert Locknuts, 250PK X1E-FAS-NUT-LOC-3816x250
X1 Tools

10-24 Black-Oxide Corrosion-Resistant 18-8 Stainless Steel Thin-Profile Nylon-Insert Locknuts, 250PK

Zoro # G122856315
Mfr # X1E-FAS-NUT-LOC-3816x250
product price:  $134.99
/pk 250, $0.54/ea
X1 Tools 3/8-16 Black-Oxide Corrosion-Resistant 18-8 Stainless Steel Thin-Profile Nylon-Insert Locknuts, 75PK X1E-FAS-NUT-LOC-3824x75
X1 Tools

3/8-16 Black-Oxide Corrosion-Resistant 18-8 Stainless Steel Thin-Profile Nylon-Insert Locknuts, 75PK

Zoro # G922849494
Mfr # X1E-FAS-NUT-LOC-3824x75
product price:  $92.59
/pk 75, $1.23/ea
Oxoxo 5/16-18 Flex Type Hex Lock Nut Full Height Heavy Hex Cadmium and Wax, 500PK 534151
Oxoxo

5/16-18 Flex Type Hex Lock Nut Full Height Heavy Hex Cadmium and Wax, 500PK

Zoro # G222699263
Mfr # 534151
product price:  $646.99
/pk 500, $1.29/ea
X1 Tools 1/2-13 Corrosion-Resistant 316 Stainless Steel Thin-Profile Nylon-Insert Locknuts, 500PK X1E-FAS-NUT-LOC-3930x500
X1 Tools

1/2-13 Corrosion-Resistant 316 Stainless Steel Thin-Profile Nylon-Insert Locknuts, 500PK

Zoro # G722865335
Mfr # X1E-FAS-NUT-LOC-3930x500
product price:  $1,479.99
/pk 500, $2.96/ea
X1 Tools 5/16-18 Performance Zinc-Plated Steel Nylon-Insert Locknuts, 500PK X1E-FAS-NUT-LOC-1932x500
X1 Tools

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

Zoro # G922859103
Mfr # X1E-FAS-NUT-LOC-1932x500
product price:  $81.99
/pk 500, $0.16/ea
Newport Fasteners Nylon Insert Lock Nut, 1-1/2"-6, Steel, Grade A, Zinc Plated, 10 PK 353785-PR-10
Newport Fasteners

Nylon Insert Lock Nut, 1-1/2"-6, Steel, Grade A, Zinc Plated, 10 PK

Zoro # G706327781
Mfr # 353785-PR-10
product price:  $367.99
/pk 10, $36.80/ea
X1 Tools 1/4-20 Corrosion-Resistant 18-8 Stainless Steel Thin-Profile Nylon-Insert Locknuts, 1000PK X1E-FAS-NUT-LOC-3720x1000
X1 Tools

1/4-20 Corrosion-Resistant 18-8 Stainless Steel Thin-Profile Nylon-Insert Locknuts, 1000PK

Zoro # G122863276
Mfr # X1E-FAS-NUT-LOC-3720x1000
product price:  $267.99
/pk 1000, $0.27/ea
X1 Tools 1/2-20 Ultra Hi Performance Black-Oxide Steel Nylon-Insert Locknuts, 100PK X1E-FAS-NUT-LOC-1228x100
X1 Tools

1/2-20 Ultra Hi Performance Black-Oxide Steel Nylon-Insert Locknuts, 100PK

Zoro # G722853547
Mfr # X1E-FAS-NUT-LOC-1228x100
product price:  $152.99
/pk 100, $1.53/ea
X1 Tools 10-24 Corrosion-Resistant 18-8 Stainless Steel Thin-Profile Nylon-Insert Locknuts, 4PK X1E-FAS-NUT-LOC-3716x4
X1 Tools

10-24 Corrosion-Resistant 18-8 Stainless Steel Thin-Profile Nylon-Insert Locknuts, 4PK

Zoro # G522864385
Mfr # X1E-FAS-NUT-LOC-3716x4
product price:  $1.59
/pk 4, $0.40/ea
X1 Tools 1/4-28 Ultra Hi Performance Black-Oxide Steel Nylon-Insert Locknuts, 250PK X1E-FAS-NUT-LOC-1212x250
X1 Tools

1/4-28 Ultra Hi Performance Black-Oxide Steel Nylon-Insert Locknuts, 250PK

Zoro # G622847233
Mfr # X1E-FAS-NUT-LOC-1212x250
product price:  $122.99
/pk 250, $0.49/ea
X1 Tools 1/4-28 Performance Zinc-Plated Steel Nylon-Insert Locknuts, 50PK X1E-FAS-NUT-LOC-1930x50
X1 Tools

1/4-28 Performance Zinc-Plated Steel Nylon-Insert Locknuts, 50PK

Zoro # G822853997
Mfr # X1E-FAS-NUT-LOC-1930x50
product price:  $11.29
/pk 50, $0.23/ea
Lock Nuts (10,000+ items) - Page 164
  • First
  • Previous
  • 164
    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