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 226

X1 Tools 1 1/2-6 Corrosion-Resistant 18-8 Stainless Steel Thin-Profile Nylon-Insert Locknuts, 4PK X1E-FAS-NUT-LOC-3764x4
X1 Tools

1 1/2-6 Corrosion-Resistant 18-8 Stainless Steel Thin-Profile Nylon-Insert Locknuts, 4PK

Zoro # G222855454
Mfr # X1E-FAS-NUT-LOC-3764x4
product price:  $224.99
/pk 4, $56.25/ea
X1 Tools 4-40 Black-Oxide Corrosion-Resistant 18-8 Stainless Steel Thin-Profile Nylon-Insert Locknuts, 15PK X1E-FAS-NUT-LOC-3810x15
X1 Tools

4-40 Black-Oxide Corrosion-Resistant 18-8 Stainless Steel Thin-Profile Nylon-Insert Locknuts, 15PK

Zoro # G622865923
Mfr # X1E-FAS-NUT-LOC-3810x15
product price:  $6.19
/pk 15, $0.41/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 7/16-20 Corrosion-Resistant 316 Stainless Steel Nylon-Insert Locknuts, 6PK X1E-FAS-NUT-LOC-2338x6
X1 Tools

7/16-20 Corrosion-Resistant 316 Stainless Steel Nylon-Insert Locknuts, 6PK

Zoro # G022853643
Mfr # X1E-FAS-NUT-LOC-2338x6
product price:  $16.15
/pk 6, $2.69/ea
X1 Tools 10-32 Corrosion-Resistant 316 Stainless Steel Nylon-Insert Locknuts, 75PK X1E-FAS-NUT-LOC-2320x75
X1 Tools

10-32 Corrosion-Resistant 316 Stainless Steel Nylon-Insert Locknuts, 75PK

Zoro # G522861117
Mfr # X1E-FAS-NUT-LOC-2320x75
product price:  $25.55
/pk 75, $0.34/ea
No Product Image Available
Standard Locknut

Bearing Lock Nut, Steel

Zoro # G622963940
Mfr # N15
product price:  $37.35
/ea
X1 Tools 7/8-14 Ultra Hi Performance Black-Oxide Steel Nylon-Insert Locknuts, 20PK X1E-FAS-NUT-LOC-1244x20
X1 Tools

7/8-14 Ultra Hi Performance Black-Oxide Steel Nylon-Insert Locknuts, 20PK

Zoro # G722859297
Mfr # X1E-FAS-NUT-LOC-1244x20
product price:  $116.99
/pk 20, $5.85/ea
Newport Fasteners Nylon Insert Lock Nut, 7/16"-20, Steel, Grade A, Zinc Plated, 100 PK 144517-PR-100
Newport Fasteners

Nylon Insert Lock Nut, 7/16"-20, Steel, Grade A, Zinc Plated, 100 PK

Zoro # G906327772
Mfr # 144517-PR-100
product price:  $56.45
/pk 100, $0.56/ea
Zoro Select Self Clinching Lock Nut, #10-24, Steel, Zinc Plated, 5000 PK 10-3NCL
Zoro Select

Self Clinching Lock Nut, #10-24, Steel, Zinc Plated, 5000 PK

Zoro # G2437502
Mfr # 10-3NCL
product price:  $690.99
/pk 5000, $0.14/ea
Newport Fasteners Nylon Insert Lock Nut, #10-32, 18-8 Stainless Steel, Not Graded, 3000 PK 894506
Newport Fasteners

Nylon Insert Lock Nut, #10-32, 18-8 Stainless Steel, Not Graded, 3000 PK

Zoro # G706331870
Mfr # 894506
product price:  $1,039.99
/pk 3000, $0.35/ea
X1 Tools 5/16-24 Performance Zinc-Plated Steel Nylon-Insert Locknuts, 120PK X1E-FAS-NUT-LOC-1934x120
X1 Tools

5/16-24 Performance Zinc-Plated Steel Nylon-Insert Locknuts, 120PK

Zoro # G622850080
Mfr # X1E-FAS-NUT-LOC-1934x120
product price:  $25.79
/pk 120, $0.21/ea
X1 Tools 1 1/2-12 Ultra Hi Performance Black-Oxide Steel Nylon-Insert Locknuts, 2PK X1E-FAS-NUT-LOC-1262x2
X1 Tools

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

Zoro # G222846063
Mfr # X1E-FAS-NUT-LOC-1262x2
product price:  $120.99
/pk 2, $60.50/ea
Newport Fasteners Nylon Insert Lock Nut, 5/8"-11, Steel, Grade A, Zinc Plated, 500 PK 200829-BR-500
Newport Fasteners

Nylon Insert Lock Nut, 5/8"-11, Steel, Grade A, Zinc Plated, 500 PK

Zoro # G706327514
Mfr # 200829-BR-500
product price:  $324.99
/pk 500, $0.65/ea
X1 Tools 1/4-20 Corrosion-Resistant 316 Stainless Steel Thin-Profile Nylon-Insert Locknuts X1E-FAS-NUT-LOC-3914x1
X1 Tools

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

Zoro # G122860343
Mfr # X1E-FAS-NUT-LOC-3914x1
product price:  $1.29
/ea
X1 Tools 1 1/8-7 Performance Zinc-Plated Steel Nylon-Insert Locknuts, 25PK X1E-FAS-NUT-LOC-1968x25
X1 Tools

1 1/8-7 Performance Zinc-Plated Steel Nylon-Insert Locknuts, 25PK

Zoro # G522865535
Mfr # X1E-FAS-NUT-LOC-1968x25
product price:  $211.99
/pk 25, $8.48/ea
Oxoxo 8-32 NM Nylon Insert Hex Lock Nut 18 8 Stainless Steel Black Oxide and Oil, 3000PK 438661
Oxoxo

8-32 NM Nylon Insert Hex Lock Nut 18 8 Stainless Steel Black Oxide and Oil, 3000PK

Zoro # G122684581
Mfr # 438661
product price:  $516.99
/pk 3000, $0.17/ea
X1 Tools 1/4-28 Performance Zinc-Plated Steel Nylon-Insert Locknuts, 120PK X1E-FAS-NUT-LOC-1930x120
X1 Tools

1/4-28 Performance Zinc-Plated Steel Nylon-Insert Locknuts, 120PK

Zoro # G122859408
Mfr # X1E-FAS-NUT-LOC-1930x120
product price:  $21.49
/pk 120, $0.18/ea
X1 Tools 4-40 Corrosion-Resistant 18-8 Stainless Steel Thin-Profile Nylon-Insert Locknuts, 100PK X1E-FAS-NUT-LOC-3710x100
X1 Tools

4-40 Corrosion-Resistant 18-8 Stainless Steel Thin-Profile Nylon-Insert Locknuts, 100PK

Zoro # G322854449
Mfr # X1E-FAS-NUT-LOC-3710x100
product price:  $28.25
/pk 100, $0.28/ea
X1 Tools 6-32 Performance Zinc-Plated Steel Nylon-Insert Locknuts, 50PK X1E-FAS-NUT-LOC-1918x50
X1 Tools

6-32 Performance Zinc-Plated Steel Nylon-Insert Locknuts, 50PK

Zoro # G522848132
Mfr # X1E-FAS-NUT-LOC-1918x50
product price:  $5.59
/pk 50, $0.11/ea
X1 Tools 1/2-13 Corrosion-Resistant 316 Stainless Steel Thin-Profile Nylon-Insert Locknuts, 20PK X1E-FAS-NUT-LOC-3930x20
X1 Tools

1/2-13 Corrosion-Resistant 316 Stainless Steel Thin-Profile Nylon-Insert Locknuts, 20PK

Zoro # G722854346
Mfr # X1E-FAS-NUT-LOC-3930x20
product price:  $58.69
/pk 20, $2.93/ea
No Product Image Available
Zoro Select

Lock Nut, Steel, 9/32", PK10

Zoro # G622964657
Mfr # FLHNFI050CAD-010P
product price:  $27.09
/pk 10, $2.71/ea
X1 Tools 7/16-14 Corrosion-Resistant 18-8 Stainless Steel Thin-Profile Nylon-Insert Locknuts, 50PK X1E-FAS-NUT-LOC-3732x50
X1 Tools

7/16-14 Corrosion-Resistant 18-8 Stainless Steel Thin-Profile Nylon-Insert Locknuts, 50PK

Zoro # G522851415
Mfr # X1E-FAS-NUT-LOC-3732x50
product price:  $73.89
/pk 50, $1.48/ea
X1 Tools 5/8-11 Corrosion-Resistant 18-8 Stainless Steel Nylon-Insert Locknuts, 250PK X1E-FAS-NUT-LOC-2137x250
X1 Tools

5/8-11 Corrosion-Resistant 18-8 Stainless Steel Nylon-Insert Locknuts, 250PK

Zoro # G822854345
Mfr # X1E-FAS-NUT-LOC-2137x250
product price:  $1,008.99
/pk 250, $4.04/ea
No Product Image Available
Zoro Select

Lock Nut, Steel, 9/64", PK15

Zoro # G122963242
Mfr # FLJNFI043-015P
product price:  $24.89
/pk 15, $1.66/ea
X1 Tools 1/2-13 UHP Black-Oxide Grade 8 Steel Thin-Profile Nylon-Insert Locknuts, 10PK X1E-FAS-NUT-LOC-3224x10
X1 Tools

1/2-13 UHP Black-Oxide Grade 8 Steel Thin-Profile Nylon-Insert Locknuts, 10PK

Zoro # G322862727
Mfr # X1E-FAS-NUT-LOC-3224x10
product price:  $39.15
/pk 10, $3.92/ea
X1 Tools 3/4-10 Corrosion-Resistant 18-8 Stainless Steel Thin-Profile Nylon-Insert Locknuts, 15PK X1E-FAS-NUT-LOC-3746x15
X1 Tools

3/4-10 Corrosion-Resistant 18-8 Stainless Steel Thin-Profile Nylon-Insert Locknuts, 15PK

Zoro # G822847613
Mfr # X1E-FAS-NUT-LOC-3746x15
product price:  $254.99
/pk 15, $17.00/ea
X1 Tools 7/16-20 Corrosion-Resistant 316 Stainless Steel Nylon-Insert Locknuts, 400PK X1E-FAS-NUT-LOC-2338x400
X1 Tools

7/16-20 Corrosion-Resistant 316 Stainless Steel Nylon-Insert Locknuts, 400PK

Zoro # G822858077
Mfr # X1E-FAS-NUT-LOC-2338x400
product price:  $603.99
/pk 400, $1.51/ea
X1 Tools 1/2-20 UHP Black-Oxide Grade 8 Steel Thin-Profile Nylon-Insert Locknuts, 6PK X1E-FAS-NUT-LOC-3226x6
X1 Tools

1/2-20 UHP Black-Oxide Grade 8 Steel Thin-Profile Nylon-Insert Locknuts, 6PK

Zoro # G422867394
Mfr # X1E-FAS-NUT-LOC-3226x6
product price:  $27.85
/pk 6, $4.64/ea
X1 Tools 1-14 UHP Yellow Zinc Plated Grade 8 Steel Thin-Profile Nylon-Insert Locknuts, 100PK X1E-FAS-NUT-LOC-3038x100
X1 Tools

1-14 UHP Yellow Zinc Plated Grade 8 Steel Thin-Profile Nylon-Insert Locknuts, 100PK

Zoro # G322851134
Mfr # X1E-FAS-NUT-LOC-3038x100
product price:  $1,366.99
/pk 100, $13.67/ea
X1 Tools 1/2-13 Black-Oxide C.R. 18-8 Stainless Steel Nylon-Insert Locknuts, 1000PK X1E-FAS-NUT-LOC-2248x1000
X1 Tools

1/2-13 Black-Oxide C.R. 18-8 Stainless Steel Nylon-Insert Locknuts, 1000PK

Zoro # G722848109
Mfr # X1E-FAS-NUT-LOC-2248x1000
product price:  $3,362.99
/pk 1000, $3.36/ea
X1 Tools 1/4-28 Corrosion-Resistant 18-8 Stainless Steel Nylon-Insert Locknuts, 20PK X1E-FAS-NUT-LOC-2126x20
X1 Tools

1/4-28 Corrosion-Resistant 18-8 Stainless Steel Nylon-Insert Locknuts, 20PK

Zoro # G922852500
Mfr # X1E-FAS-NUT-LOC-2126x20
product price:  $11.29
/pk 20, $0.56/ea
X1 Tools 1-8 Hi Performance Zinc-Plated Steel Thin-Profile Nylon-Insert Locknuts, 8PK X1E-FAS-NUT-LOC-3320x8
X1 Tools

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

Zoro # G022864267
Mfr # X1E-FAS-NUT-LOC-3320x8
product price:  $115.99
/pk 8, $14.50/ea
X1 Tools M8 x 1.25 mm Performance Zinc-Plated Steel Thin-Profile Nylon-Insert Locknuts, 500PK X1E-FAS-NUT-LOC-3484x500
X1 Tools

M8 x 1.25 mm Performance Zinc-Plated Steel Thin-Profile Nylon-Insert Locknuts, 500PK

Zoro # G022859744
Mfr # X1E-FAS-NUT-LOC-3484x500
product price:  $1,147.99
/pk 500, $2.30/ea
X1 Tools 3/8-16 UHP Black-Oxide Grade 8 Steel Thin-Profile Nylon-Insert Locknuts, 250PK X1E-FAS-NUT-LOC-3218x250
X1 Tools

3/8-16 UHP Black-Oxide Grade 8 Steel Thin-Profile Nylon-Insert Locknuts, 250PK

Zoro # G722861412
Mfr # X1E-FAS-NUT-LOC-3218x250
product price:  $381.99
/pk 250, $1.53/ea
X1 Tools 3/8-16 Performance Zinc-Plated Steel Thin-Profile Nylon-Insert Locknuts, 15PK X1E-FAS-NUT-LOC-3434x15
X1 Tools

3/8-16 Performance Zinc-Plated Steel Thin-Profile Nylon-Insert Locknuts, 15PK

Zoro # G922867313
Mfr # X1E-FAS-NUT-LOC-3434x15
product price:  $3.79
/pk 15, $0.25/ea
X1 Tools 5/16-24 Corrosion-Resistant 316 Stainless Steel Thin-Profile Nylon-Insert Locknuts, 250PK X1E-FAS-NUT-LOC-3920x250
X1 Tools

5/16-24 Corrosion-Resistant 316 Stainless Steel Thin-Profile Nylon-Insert Locknuts, 250PK

Zoro # G722858306
Mfr # X1E-FAS-NUT-LOC-3920x250
product price:  $225.99
/pk 250, $0.90/ea
Lock Nuts (10,000+ items) - Page 226
  • First
  • Previous
  • 226
    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 lock nut10-24 nylon lock nut10-24 nylon10-32 lock nuts10-32 nut
1 1 2 lock nut10-24 washer10-24 nylock10-32 stainless nut10-32 washer

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