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 232

Oxoxo 3/4-16 Stover Alternative Automation Style Lock Nut Grade C Cad And Wax, 100PK 214818
Oxoxo

3/4-16 Stover Alternative Automation Style Lock Nut Grade C Cad And Wax, 100PK

Zoro # G322677499
Mfr # 214818
product price:  $210.99
/pk 100, $2.11/ea
X1 Tools M8 x 1.25 mm Performance Zinc-Plated Steel Thin-Profile Nylon-Insert Locknuts, 12PK X1E-FAS-NUT-LOC-3484x12
X1 Tools

M8 x 1.25 mm Performance Zinc-Plated Steel Thin-Profile Nylon-Insert Locknuts, 12PK

Zoro # G622864469
Mfr # X1E-FAS-NUT-LOC-3484x12
product price:  $35.65
/pk 12, $2.97/ea
X1 Tools 12-24 Performance Zinc-Plated Steel Thin-Profile Nylon-Insert Locknuts, 25PK X1E-FAS-NUT-LOC-3424x25
X1 Tools

12-24 Performance Zinc-Plated Steel Thin-Profile Nylon-Insert Locknuts, 25PK

Zoro # G622860416
Mfr # X1E-FAS-NUT-LOC-3424x25
product price:  $5.55
/pk 25, $0.22/ea
X1 Tools 7/8-9 Performance Zinc-Plated Steel Nylon-Insert Locknuts, 25PK X1E-FAS-NUT-LOC-1960x25
X1 Tools

7/8-9 Performance Zinc-Plated Steel Nylon-Insert Locknuts, 25PK

Zoro # G922850476
Mfr # X1E-FAS-NUT-LOC-1960x25
product price:  $90.39
/pk 25, $3.62/ea
X1 Tools 1/2-20 Performance Zinc-Plated Steel Thin-Profile Nylon-Insert Locknuts, 100PK X1E-FAS-NUT-LOC-3444x100
X1 Tools

1/2-20 Performance Zinc-Plated Steel Thin-Profile Nylon-Insert Locknuts, 100PK

Zoro # G922848794
Mfr # X1E-FAS-NUT-LOC-3444x100
product price:  $44.69
/pk 100, $0.45/ea
X1 Tools 1 1/4-12 UHP Yellow Zinc Plated Grade 8 Steel Thin-Profile Nylon-Insert Locknuts, 10PK X1E-FAS-NUT-LOC-3040x10
X1 Tools

1 1/4-12 UHP Yellow Zinc Plated Grade 8 Steel Thin-Profile Nylon-Insert Locknuts, 10PK

Zoro # G422863617
Mfr # X1E-FAS-NUT-LOC-3040x10
product price:  $255.99
/pk 10, $25.60/ea
X1 Tools 7/16-14 Corrosion-Resistant 18-8 Stainless Steel Thin-Profile Nylon-Insert Locknuts X1E-FAS-NUT-LOC-3732x1
X1 Tools

7/16-14 Corrosion-Resistant 18-8 Stainless Steel Thin-Profile Nylon-Insert Locknuts

Zoro # G322848776
Mfr # X1E-FAS-NUT-LOC-3732x1
product price:  $2.19
/ea
X1 Tools 1-14 Ultra Hi Performance Black-Oxide Steel Nylon-Insert Locknuts, 8PK X1E-FAS-NUT-LOC-1248x8
X1 Tools

1-14 Ultra Hi Performance Black-Oxide Steel Nylon-Insert Locknuts, 8PK

Zoro # G222855638
Mfr # X1E-FAS-NUT-LOC-1248x8
product price:  $73.79
/pk 8, $9.22/ea
X1 Tools 8-32 Performance Zinc-Plated Steel Nylon-Insert Locknuts, 200PK X1E-FAS-NUT-LOC-1920x200
X1 Tools

8-32 Performance Zinc-Plated Steel Nylon-Insert Locknuts, 200PK

Zoro # G222864159
Mfr # X1E-FAS-NUT-LOC-1920x200
product price:  $27.65
/pk 200, $0.14/ea
X1 Tools 3/8-16 Corrosion-Resistant 18-8 Stainless Steel Nylon-Insert Locknuts, 4PK X1E-FAS-NUT-LOC-2129x4
X1 Tools

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

Zoro # G422848317
Mfr # X1E-FAS-NUT-LOC-2129x4
product price:  $4.15
/pk 4, $1.04/ea
X1 Tools 1-14 Performance Zinc-Plated Steel Thin-Profile Nylon-Insert Locknuts, 75PK X1E-FAS-NUT-LOC-3464x75
X1 Tools

1-14 Performance Zinc-Plated Steel Thin-Profile Nylon-Insert Locknuts, 75PK

Zoro # G822859296
Mfr # X1E-FAS-NUT-LOC-3464x75
product price:  $358.99
/pk 75, $4.79/ea
X1 Tools 1 1/2-12 Ultra Hi Performance Black-Oxide Steel Nylon-Insert Locknuts, 15PK X1E-FAS-NUT-LOC-1262x15
X1 Tools

1 1/2-12 Ultra Hi Performance Black-Oxide Steel Nylon-Insert Locknuts, 15PK

Zoro # G122845388
Mfr # X1E-FAS-NUT-LOC-1262x15
product price:  $1,124.99
/pk 15, $75.00/ea
X1 Tools 5-40 Performance Zinc-Plated Steel Nylon-Insert Locknuts, 12PK X1E-FAS-NUT-LOC-1916x12
X1 Tools

5-40 Performance Zinc-Plated Steel Nylon-Insert Locknuts, 12PK

Zoro # G622865008
Mfr # X1E-FAS-NUT-LOC-1916x12
product price:  $1.79
/pk 12, $0.15/ea
X1 Tools 6-32 Corrosion-Resistant 18-8 Stainless Steel Nylon-Insert Locknuts, 2PK X1E-FAS-NUT-LOC-2117x2
X1 Tools

6-32 Corrosion-Resistant 18-8 Stainless Steel Nylon-Insert Locknuts, 2PK

Zoro # G222859391
Mfr # X1E-FAS-NUT-LOC-2117x2
product price:  $0.79
/pk 2, $0.40/ea
X1 Tools 1-14 Corrosion-Resistant 18-8 Stainless Steel Thin-Profile Nylon-Insert Locknuts, 10PK X1E-FAS-NUT-LOC-3756x10
X1 Tools

1-14 Corrosion-Resistant 18-8 Stainless Steel Thin-Profile Nylon-Insert Locknuts, 10PK

Zoro # G222847602
Mfr # X1E-FAS-NUT-LOC-3756x10
product price:  $417.99
/pk 10, $41.80/ea
X1 Tools 5/8-11 UHP Yellow Zinc Plated Grade 8 Steel Thin-Profile Nylon-Insert Locknuts, 50PK X1E-FAS-NUT-LOC-3030x50
X1 Tools

5/8-11 UHP Yellow Zinc Plated Grade 8 Steel Thin-Profile Nylon-Insert Locknuts, 50PK

Zoro # G022863444
Mfr # X1E-FAS-NUT-LOC-3030x50
product price:  $96.79
/pk 50, $1.94/ea
Oxoxo 5/16-24 Flex Type Lock Nut Full Height 18-8 Stainless Steel, 125PK 511570
Oxoxo

5/16-24 Flex Type Lock Nut Full Height 18-8 Stainless Steel, 125PK

Zoro # G022677249
Mfr # 511570
product price:  $645.99
/pk 125, $5.17/ea
X1 Tools M8 x 1.25 mm Performance Zinc-Plated Steel Nylon-Insert Locknuts, 100PK X1E-FAS-NUT-LOC-1978x100
X1 Tools

M8 x 1.25 mm Performance Zinc-Plated Steel Nylon-Insert Locknuts, 100PK

Zoro # G922865302
Mfr # X1E-FAS-NUT-LOC-1978x100
product price:  $31.29
/pk 100, $0.31/ea
X1 Tools 3/8-16 Black-Oxide C.R. 18-8 Stainless Steel Nylon-Insert Locknuts, 100PK X1E-FAS-NUT-LOC-2240x100
X1 Tools

3/8-16 Black-Oxide C.R. 18-8 Stainless Steel Nylon-Insert Locknuts, 100PK

Zoro # G122853611
Mfr # X1E-FAS-NUT-LOC-2240x100
product price:  $154.99
/pk 100, $1.55/ea
Molex Nyl Locknut Pg42 Gy RAL7035 936000495
Molex

Nyl Locknut Pg42 Gy RAL7035

Zoro # G4047599
Mfr # 936000495
product price:  $3.15
/ea
Sold in mult. of 29 for $91.35
No Product Image Available
Standard Locknut

Bearing Lock Nut, Steel

Zoro # G022962246
Mfr # N03
product price:  $5.59
/ea
Zoro Select 6-32 Serr Hex Flng Locknut Gr5 Zinc, 5000Pk 06NR5
Zoro Select

6-32 Serr Hex Flng Locknut Gr5 Zinc, 5000Pk

Zoro # G915622837
Mfr # 06NR5
product price:  $178.99
/pk 5000, $0.04/ea
Oxoxo 8-32X5/16  K Lock Nuts Small Pattern Zinc and Bake, 5000PK 232344
Oxoxo

8-32X5/16 K Lock Nuts Small Pattern Zinc and Bake, 5000PK

Zoro # G022665994
Mfr # 232344
product price:  $482.99
/pk 5000, $0.10/ea
X1 Tools M6 x 1 mm Performance Zinc-Plated Steel Thin-Profile Nylon-Insert Locknuts, 6PK X1E-FAS-NUT-LOC-3482x6
X1 Tools

M6 x 1 mm Performance Zinc-Plated Steel Thin-Profile Nylon-Insert Locknuts, 6PK

Zoro # G922848848
Mfr # X1E-FAS-NUT-LOC-3482x6
product price:  $18.29
/pk 6, $3.05/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
Newport Fasteners Nylon Insert Lock Nut, 5/8"-11, Steel, Grade A, Yellow Zinc, 550 PK 269101-BR-550
Newport Fasteners

Nylon Insert Lock Nut, 5/8"-11, Steel, Grade A, Yellow Zinc, 550 PK

Zoro # G206327564
Mfr # 269101-BR-550
product price:  $395.99
/pk 550, $0.72/ea
X1 Tools M6 x 1 mm Performance Zinc-Plated Steel Nylon-Insert Locknuts, 100PK X1E-FAS-NUT-LOC-1976x100
X1 Tools

M6 x 1 mm Performance Zinc-Plated Steel Nylon-Insert Locknuts, 100PK

Zoro # G522848835
Mfr # X1E-FAS-NUT-LOC-1976x100
product price:  $24.79
/pk 100, $0.25/ea
Zoro Select Top Lock Distorted Thread Lock Nut, 5/16"-24, Steel, Grade C, Yellow Zinc, 17/64 in Ht, 100 PK U12960.031.0002
Zoro Select

Top Lock Distorted Thread Lock Nut, 5/16"-24, Steel, Grade C, Yellow Zinc, 17/64 in Ht, 100 PK

Zoro # G1122694
Mfr # U12960.031.0002
product price:  $46.89
/pk 100, $0.47/ea
X1 Tools 4-40 Black-Oxide Corrosion-Resistant 18-8 Stainless Steel Thin-Profile Nylon-Insert Locknuts, 400PK X1E-FAS-NUT-LOC-3810x400
X1 Tools

4-40 Black-Oxide Corrosion-Resistant 18-8 Stainless Steel Thin-Profile Nylon-Insert Locknuts, 400PK

Zoro # G722853035
Mfr # X1E-FAS-NUT-LOC-3810x400
product price:  $126.99
/pk 400, $0.32/ea
X1 Tools 1/4-28 UHP Black-Oxide Grade 8 Steel Thin-Profile Nylon-Insert Locknuts, 1000PK X1E-FAS-NUT-LOC-3212x1000
X1 Tools

1/4-28 UHP Black-Oxide Grade 8 Steel Thin-Profile Nylon-Insert Locknuts, 1000PK

Zoro # G722859136
Mfr # X1E-FAS-NUT-LOC-3212x1000
product price:  $2,100.99
/pk 1000, $2.10/ea
X1 Tools 1/2-13 Corrosion-Resistant 316 Stainless Steel Thin-Profile Nylon-Insert Locknuts, 10PK X1E-FAS-NUT-LOC-3930x10
X1 Tools

1/2-13 Corrosion-Resistant 316 Stainless Steel Thin-Profile Nylon-Insert Locknuts, 10PK

Zoro # G722859730
Mfr # X1E-FAS-NUT-LOC-3930x10
product price:  $32.75
/pk 10, $3.28/ea
X1 Tools 1/4-20 Corrosion-Resistant 316 Stainless Steel Nylon-Insert Locknuts, 10PK X1E-FAS-NUT-LOC-2324x10
X1 Tools

1/4-20 Corrosion-Resistant 316 Stainless Steel Nylon-Insert Locknuts, 10PK

Zoro # G922845045
Mfr # X1E-FAS-NUT-LOC-2324x10
product price:  $5.35
/pk 10, $0.53/ea
X1 Tools M12 x 1.75 mm Performance Zinc-Plated Steel Nylon-Insert Locknuts, 6PK X1E-FAS-NUT-LOC-1982x6
X1 Tools

M12 x 1.75 mm Performance Zinc-Plated Steel Nylon-Insert Locknuts, 6PK

Zoro # G722844996
Mfr # X1E-FAS-NUT-LOC-1982x6
product price:  $5.65
/pk 6, $0.94/ea
Zoro Select 10-24 Serr Hex Flng Locknut Gr5 Zinc, 4000Pk 10NR5
Zoro Select

10-24 Serr Hex Flng Locknut Gr5 Zinc, 4000Pk

Zoro # G615622847
Mfr # 10NR5
product price:  $209.99
/pk 4000, $0.05/ea
X1 Tools 1/4-28 Corrosion-Resistant 316 Stainless Steel Thin-Profile Nylon-Insert Locknuts, 120PK X1E-FAS-NUT-LOC-3916x120
X1 Tools

1/4-28 Corrosion-Resistant 316 Stainless Steel Thin-Profile Nylon-Insert Locknuts, 120PK

Zoro # G822848610
Mfr # X1E-FAS-NUT-LOC-3916x120
product price:  $75.99
/pk 120, $0.63/ea
X1 Tools 5/16-18 Performance Black-Corrosion-Resistant-Coated Steel Nylon-Ins. Locknuts, 20PK X1E-FAS-NUT-LOC-2020x20
X1 Tools

5/16-18 Performance Black-Corrosion-Resistant-Coated Steel Nylon-Ins. Locknuts, 20PK

Zoro # G122860947
Mfr # X1E-FAS-NUT-LOC-2020x20
product price:  $87.29
/pk 20, $4.36/ea
Lock Nuts (10,000+ items) - Page 232
  • First
  • Previous
  • 232
    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 washer10-32 nut10-32 lock nuts10-24 lock nut
1 1 2 lock nut10-24 nylock10-32 stainless nut10-24 washer10-32 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