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
  • Deals
  • Contact Us
Added to Cart
Skip to Main Content Accessibility Statement
FREE SHIPPING on orders over $50 after you . Restrictions Apply
Zoro Homepage
Close icon
Clipboard Icon Clipboard Icon Quick Order
User Headset Icon User Headset Icon Customer Service
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

Lock Nuts (10,000+ items) - Page 230

X1 Tools 10-24 Black-Oxide Corrosion-Resistant 18-8 Stainless Steel Thin-Profile Nylon-Insert Locknuts, 25PK X1E-FAS-NUT-LOC-3816x25
X1 Tools

10-24 Black-Oxide Corrosion-Resistant 18-8 Stainless Steel Thin-Profile Nylon-Insert Locknuts, 25PK

Zoro # G622860751
Mfr # X1E-FAS-NUT-LOC-3816x25
product price:  $19.75
/pk 25, $0.79/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
Newport Fasteners Serrated Lock Nut, M16-2.00, Steel, Class 8, Zinc Plated, 50 PK 238755-PR-50
Newport Fasteners

Serrated Lock Nut, M16-2.00, Steel, Class 8, Zinc Plated, 50 PK

Zoro # G606308545
Mfr # 238755-PR-50
product price:  $99.15
/pk 50, $1.98/ea
Oxoxo M10-1.5 Metric Conical K Keps Lock Nut A2 Stainless Steel Passivated, 500PK 637932
Oxoxo

M10-1.5 Metric Conical K Keps Lock Nut A2 Stainless Steel Passivated, 500PK

Zoro # G122692562
Mfr # 637932
product price:  $659.99
/pk 500, $1.32/ea
X1 Tools 1 1/4-7 Corrosion-Resistant 18-8 Stainless Steel Nylon-Insert Locknuts, 50PK X1E-FAS-NUT-LOC-2147x50
X1 Tools

1 1/4-7 Corrosion-Resistant 18-8 Stainless Steel Nylon-Insert Locknuts, 50PK

Zoro # G522858445
Mfr # X1E-FAS-NUT-LOC-2147x50
product price:  $1,976.99
/pk 50, $39.54/ea
X1 Tools 3/4-16 Hi Performance Zinc-Plated Steel Thin-Profile Nylon-Insert Locknuts, 20PK X1E-FAS-NUT-LOC-3316x20
X1 Tools

3/4-16 Hi Performance Zinc-Plated Steel Thin-Profile Nylon-Insert Locknuts, 20PK

Zoro # G822860704
Mfr # X1E-FAS-NUT-LOC-3316x20
product price:  $52.59
/pk 20, $2.63/ea
Newport Fasteners Nylon Insert Lock Nut, M14-2.00, Steel, Class 8, Zinc Plated, 1000 PK 326568-BR-1000
Newport Fasteners

Nylon Insert Lock Nut, M14-2.00, Steel, Class 8, Zinc Plated, 1000 PK

Zoro # G306327655
Mfr # 326568-BR-1000
product price:  $680.99
/pk 1000, $0.68/ea
X1 Tools 1-8 Hi Performance Zinc-Plated Steel Thin-Profile Nylon-Insert Locknuts, 400PK X1E-FAS-NUT-LOC-3320x400
X1 Tools

1-8 Hi Performance Zinc-Plated Steel Thin-Profile Nylon-Insert Locknuts, 400PK

Zoro # G422864805
Mfr # X1E-FAS-NUT-LOC-3320x400
product price:  $6,077.99
/pk 400, $15.19/ea
X1 Tools 1 1/2-12 UHP Black-Oxide Grade 8 Steel Thin-Profile Nylon-Insert Locknuts, 100PK X1E-FAS-NUT-LOC-3240x100
X1 Tools

1 1/2-12 UHP Black-Oxide Grade 8 Steel Thin-Profile Nylon-Insert Locknuts, 100PK

Zoro # G922859752
Mfr # X1E-FAS-NUT-LOC-3240x100
product price:  $5,169.99
/pk 100, $51.70/ea
X1 Tools 3/4-16 Hi Performance Zinc-Plated Steel Thin-Profile Nylon-Insert Locknuts, 25PK X1E-FAS-NUT-LOC-3316x25
X1 Tools

3/4-16 Hi Performance Zinc-Plated Steel Thin-Profile Nylon-Insert Locknuts, 25PK

Zoro # G222846001
Mfr # X1E-FAS-NUT-LOC-3316x25
product price:  $67.49
/pk 25, $2.70/ea
X1 Tools M14 x 2 mm Performance Zinc-Plated Steel Thin-Profile Nylon-Insert Locknuts, 20PK X1E-FAS-NUT-LOC-3490x20
X1 Tools

M14 x 2 mm Performance Zinc-Plated Steel Thin-Profile Nylon-Insert Locknuts, 20PK

Zoro # G722848185
Mfr # X1E-FAS-NUT-LOC-3490x20
product price:  $78.55
/pk 20, $3.93/ea
Newport Fasteners Nylon Insert Lock Nut, #12-24, 316 Stainless Steel, Not Graded, 100 PK 251518-PR-100
Newport Fasteners

Nylon Insert Lock Nut, #12-24, 316 Stainless Steel, Not Graded, 100 PK

Zoro # G106327701
Mfr # 251518-PR-100
product price:  $79.65
/pk 100, $0.80/ea
X1 Tools 3/4-10 Performance Zinc-Plated Steel Thin-Profile Nylon-Insert Locknuts, 100PK X1E-FAS-NUT-LOC-3454x100
X1 Tools

3/4-10 Performance Zinc-Plated Steel Thin-Profile Nylon-Insert Locknuts, 100PK

Zoro # G922854597
Mfr # X1E-FAS-NUT-LOC-3454x100
product price:  $192.99
/pk 100, $1.93/ea
X1 Tools 1 1/4-7 Performance Zinc-Plated Steel Thin-Profile Nylon-Insert Locknuts, 100PK X1E-FAS-NUT-LOC-3468x100
X1 Tools

1 1/4-7 Performance Zinc-Plated Steel Thin-Profile Nylon-Insert Locknuts, 100PK

Zoro # G422859283
Mfr # X1E-FAS-NUT-LOC-3468x100
product price:  $1,897.99
/pk 100, $18.98/ea
No Product Image Available
Zoro Select

Lock Nut, Steel, 13/64", PK15

Zoro # G722961945
Mfr # FLHNFI037CAD-015P
product price:  $22.39
/pk 15, $1.49/ea
X1 Tools 1 1/8-7 Performance Zinc-Plated Steel Thin-Profile Nylon-Insert Locknuts, 1000PK X1E-FAS-NUT-LOC-3466x1000
X1 Tools

1 1/8-7 Performance Zinc-Plated Steel Thin-Profile Nylon-Insert Locknuts, 1000PK

Zoro # G522855000
Mfr # X1E-FAS-NUT-LOC-3466x1000
product price:  $10,260.99
/pk 1000, $10.26/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 4-40 Corrosion-Resistant 18-8 Stainless Steel Thin-Profile Nylon-Insert Locknuts, 400PK X1E-FAS-NUT-LOC-3710x400
X1 Tools

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

Zoro # G422862641
Mfr # X1E-FAS-NUT-LOC-3710x400
product price:  $94.15
/pk 400, $0.24/ea
X1 Tools 6-32 Performance Black-Corrosion-Resistant-Coated Steel Nylon-Insert Locknuts, 8PK X1E-FAS-NUT-LOC-2010x8
X1 Tools

6-32 Performance Black-Corrosion-Resistant-Coated Steel Nylon-Insert Locknuts, 8PK

Zoro # G922864312
Mfr # X1E-FAS-NUT-LOC-2010x8
product price:  $35.49
/pk 8, $4.44/ea
X1 Tools 5/16-24 UHP Yellow Zinc Plated Grade 8 Steel Thin-Profile Nylon-Insert Locknuts, 8PK X1E-FAS-NUT-LOC-3016x8
X1 Tools

5/16-24 UHP Yellow Zinc Plated Grade 8 Steel Thin-Profile Nylon-Insert Locknuts, 8PK

Zoro # G922866279
Mfr # X1E-FAS-NUT-LOC-3016x8
product price:  $26.85
/pk 8, $3.36/ea
X1 Tools 10-32 Performance Black-Corrosion-Resistant-Coated Steel Nylon-Insert Locknuts, 15PK X1E-FAS-NUT-LOC-2016x15
X1 Tools

10-32 Performance Black-Corrosion-Resistant-Coated Steel Nylon-Insert Locknuts, 15PK

Zoro # G022856057
Mfr # X1E-FAS-NUT-LOC-2016x15
product price:  $62.85
/pk 15, $4.19/ea
X1 Tools 7/16-20 Corrosion-Resistant 18-8 Stainless Steel Thin-Profile Nylon-Insert Locknuts, 15PK X1E-FAS-NUT-LOC-3734x15
X1 Tools

7/16-20 Corrosion-Resistant 18-8 Stainless Steel Thin-Profile Nylon-Insert Locknuts, 15PK

Zoro # G722850447
Mfr # X1E-FAS-NUT-LOC-3734x15
product price:  $33.19
/pk 15, $2.21/ea
X1 Tools 3/8-24 Black-Oxide C.R. 18-8 Stainless Steel Nylon-Insert Locknuts, 12PK X1E-FAS-NUT-LOC-2242x12
X1 Tools

3/8-24 Black-Oxide C.R. 18-8 Stainless Steel Nylon-Insert Locknuts, 12PK

Zoro # G122856179
Mfr # X1E-FAS-NUT-LOC-2242x12
product price:  $40.55
/pk 12, $3.38/ea
X1 Tools 1/2-13 Performance Black-Corrosion-Resistant-Coated Steel Thin-Profile Nylon-Insert Locknuts, 250PK X1E-FAS-NUT-LOC-3624x250
X1 Tools

1/2-13 Performance Black-Corrosion-Resistant-Coated Steel Thin-Profile Nylon-Insert Locknuts, 250PK

Zoro # G822862692
Mfr # X1E-FAS-NUT-LOC-3624x250
product price:  $1,041.99
/pk 250, $4.17/ea
X1 Tools 5/16-24 Performance Zinc-Plated Steel Thin-Profile Nylon-Insert Locknuts, 50PK X1E-FAS-NUT-LOC-3432x50
X1 Tools

5/16-24 Performance Zinc-Plated Steel Thin-Profile Nylon-Insert Locknuts, 50PK

Zoro # G922858083
Mfr # X1E-FAS-NUT-LOC-3432x50
product price:  $13.95
/pk 50, $0.28/ea
Newport Fasteners Nylon Insert Lock Nut, 1-1/8"-7, Steel, Grade A, Zinc Plated, 60 PK 775722-BR-60
Newport Fasteners

Nylon Insert Lock Nut, 1-1/8"-7, Steel, Grade A, Zinc Plated, 60 PK

Zoro # G906331557
Mfr # 775722-BR-60
product price:  $671.99
/pk 60, $11.20/ea
X1 Tools 10-32 Performance Black-Corrosion-Resistant-Coated Steel Thin-Profile Nylon-Insert Locknuts, 15PK X1E-FAS-NUT-LOC-3616x15
X1 Tools

10-32 Performance Black-Corrosion-Resistant-Coated Steel Thin-Profile Nylon-Insert Locknuts, 15PK

Zoro # G122860855
Mfr # X1E-FAS-NUT-LOC-3616x15
product price:  $67.19
/pk 15, $4.48/ea
No Product Image Available
Zoro Select

Lock Nut, Steel, 11/32"

Zoro # G322963516
Mfr # FLJNFI150CAD-001P
product price:  $95.59
/ea
X1 Tools 1/2-20 Performance Zinc-Plated Steel Thin-Profile Nylon-Insert Locknuts, 6PK X1E-FAS-NUT-LOC-3444x6
X1 Tools

1/2-20 Performance Zinc-Plated Steel Thin-Profile Nylon-Insert Locknuts, 6PK

Zoro # G922851909
Mfr # X1E-FAS-NUT-LOC-3444x6
product price:  $2.99
/pk 6, $0.50/ea
X1 Tools 8-32 Performance Black-Corrosion-Resistant-Coated Steel Nylon-Insert Locknuts, 4PK X1E-FAS-NUT-LOC-2012x4
X1 Tools

8-32 Performance Black-Corrosion-Resistant-Coated Steel Nylon-Insert Locknuts, 4PK

Zoro # G922857215
Mfr # X1E-FAS-NUT-LOC-2012x4
product price:  $21.15
/pk 4, $5.29/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 1/2-20 Corrosion-Resistant 316 Stainless Steel Thin-Profile Nylon-Insert Locknuts, 150PK X1E-FAS-NUT-LOC-3932x150
X1 Tools

1/2-20 Corrosion-Resistant 316 Stainless Steel Thin-Profile Nylon-Insert Locknuts, 150PK

Zoro # G322866404
Mfr # X1E-FAS-NUT-LOC-3932x150
product price:  $395.99
/pk 150, $2.64/ea
Oxoxo 9/16-18 N1610 Nylon Insert Hex Locknut NE Hex Standard Height Grade 8 Zinc Yellow, 50PK 277996
Oxoxo

9/16-18 N1610 Nylon Insert Hex Locknut NE Hex Standard Height Grade 8 Zinc Yellow, 50PK

Zoro # G922674584
Mfr # 277996
product price:  $40.59
/pk 50, $0.81/ea
X1 Tools 8-32 Corrosion-Resistant 18-8 Stainless Steel Thin-Profile Nylon-Insert Locknuts, 2PK X1E-FAS-NUT-LOC-3714x2
X1 Tools

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

Zoro # G422867080
Mfr # X1E-FAS-NUT-LOC-3714x2
product price:  $0.90
/pk 2, $0.45/ea
X1 Tools 7/8-9 Corrosion-Resistant 18-8 Stainless Steel Nylon-Insert Locknuts, 250PK X1E-FAS-NUT-LOC-2141x250
X1 Tools

7/8-9 Corrosion-Resistant 18-8 Stainless Steel Nylon-Insert Locknuts, 250PK

Zoro # G422846115
Mfr # X1E-FAS-NUT-LOC-2141x250
product price:  $2,555.99
/pk 250, $10.22/ea
X1 Tools 1/2-20 Black-Oxide Corrosion-Resistant 18-8 Stainless Steel Thin-Profile Nylon-Insert Locknut, 250PK X1E-FAS-NUT-LOC-3830x250
X1 Tools

1/2-20 Black-Oxide Corrosion-Resistant 18-8 Stainless Steel Thin-Profile Nylon-Insert Locknut, 250PK

Zoro # G822862302
Mfr # X1E-FAS-NUT-LOC-3830x250
product price:  $678.99
/pk 250, $2.72/ea
Lock Nuts (10,000+ items) - Page 230
  • First
  • Previous
  • 230
    of 277 pages
  • Next
  • Last
How was your search?

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 NutsCap Nuts & Acorn NutsGeneral Washers
Hex Head Cap ScrewsSocket Head Cap ScrewsMachine ScrewsLock WashersSelf-Tapping Screws
flanged locknut3/8-16 nuts stainless steel1/4-20 stainless steel nutserrated flange lock nut5/16-18 stainless steel bolt
lock nut nylon insert5/8-18 flange nut3/8" flange nutslock nut 5/16-18nylon insert flange nut

Sign up and 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
  • Deals
  • Sitemap
  • Track My Order

Services

  • Customer Service
  • FAQs
  • Net 30 Terms
  • Reseller Program
  • Sell on Zoro
  • Participate in Research
  • Tax Exemption

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