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
0
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 20

X1 Tools 3/4-16 Hi-Performance Black-Oxide Steel Nylon-Insert Locknuts, 2PK X1E-FAS-NUT-LOC-1738x2
X1 Tools

3/4-16 Hi-Performance Black-Oxide Steel Nylon-Insert Locknuts, 2PK

Zoro # G722860378
Mfr # X1E-FAS-NUT-LOC-1738x2
product price:  $8.69
/pk 2, $4.35/ea
X1 Tools 8-32 Performance Black-Zinc-Plated Steel Thin-Profile Nylon-Insert Locknuts, 4PK X1E-FAS-NUT-LOC-3512x4
X1 Tools

8-32 Performance Black-Zinc-Plated Steel Thin-Profile Nylon-Insert Locknuts, 4PK

Zoro # G722851024
Mfr # X1E-FAS-NUT-LOC-3512x4
product price:  $3.85
/pk 4, $0.96/ea
X1 Tools 1/2-13 Corrosion-Resistant 18-8 Stainless Steel Nylon-Insert Locknuts, 100PK X1E-FAS-NUT-LOC-2133x100
X1 Tools

1/2-13 Corrosion-Resistant 18-8 Stainless Steel Nylon-Insert Locknuts, 100PK

Zoro # G322864271
Mfr # X1E-FAS-NUT-LOC-2133x100
product price:  $140.99
/pk 100, $1.41/ea
Tool Ridgid Locknut 4 in. Steel TO3262262
Tool

Ridgid Locknut 4 in. Steel

Zoro # G615192593
Mfr # TO3262262
product price:  $12.59
/ea
X1 Tools M14 x 2 mm Performance Zinc-Plated Steel Thin-Profile Nylon-Insert Locknuts, 150PK X1E-FAS-NUT-LOC-3490x150
X1 Tools

M14 x 2 mm Performance Zinc-Plated Steel Thin-Profile Nylon-Insert Locknuts, 150PK

Zoro # G922864664
Mfr # X1E-FAS-NUT-LOC-3490x150
product price:  $527.99
/pk 150, $3.52/ea
X1 Tools 5/16-18 Corrosion-Resistant 18-8 Stainless Steel Thin-Profile Nylon-Insert Locknuts, 150PK X1E-FAS-NUT-LOC-3724x150
X1 Tools

5/16-18 Corrosion-Resistant 18-8 Stainless Steel Thin-Profile Nylon-Insert Locknuts, 150PK

Zoro # G522853235
Mfr # X1E-FAS-NUT-LOC-3724x150
product price:  $64.79
/pk 150, $0.43/ea
Midwest Fastener Stover Lock Nut, M16-1.50, Steel, Class 8, Zinc Plated, 2 PK 933347
Midwest Fastener

Stover Lock Nut, M16-1.50, Steel, Class 8, Zinc Plated, 2 PK

Zoro # G102526962
Mfr # 933347
product price:  $5.95
/pk 2, $2.98/ea
Sold in mult. of 2 for $11.90
Newport Fasteners Nylon Insert Lock Nut, M16-2.00, Steel, Class 8, Zinc Plated, 150 PK 892102
Newport Fasteners

Nylon Insert Lock Nut, M16-2.00, Steel, Class 8, Zinc Plated, 150 PK

Zoro # G006331983
Mfr # 892102
product price:  $191.99
/pk 150, $1.28/ea
Zoro Select External Tooth K-Lock Lock Nut, #10-32, Steel, Nickel, 0.117 in Ht, 4000 PK 11NKNP
Zoro Select

External Tooth K-Lock Lock Nut, #10-32, Steel, Nickel, 0.117 in Ht, 4000 PK

Zoro # G2446480
Mfr # 11NKNP
product price:  $188.99
/pk 4000, $0.05/ea
Newport Fasteners Nylon Insert Lock Nut, 1-3/4"-5, Steel, Grade A, Zinc Plated, 5 PK 556580-PR-5
Newport Fasteners

Nylon Insert Lock Nut, 1-3/4"-5, Steel, Grade A, Zinc Plated, 5 PK

Zoro # G506330103
Mfr # 556580-PR-5
product price:  $372.99
/pk 5, $74.60/ea
Newport Fasteners Nylon Insert Lock Nut, M6-1.00, 18-8 Stainless Steel, Not Graded, 1000 PK 975172
Newport Fasteners

Nylon Insert Lock Nut, M6-1.00, 18-8 Stainless Steel, Not Graded, 1000 PK

Zoro # G806331657
Mfr # 975172
product price:  $479.99
/pk 1000, $0.48/ea
Boltsandnuts.Com Top Lock Lock Nut, M12-1.75, Class 8, Zinc Plated, 600 PK M12CFLN8Z-600
Boltsandnuts.Com

Top Lock Lock Nut, M12-1.75, Class 8, Zinc Plated, 600 PK

Zoro # G614493530
Mfr # M12CFLN8Z-600
product price:  $398.99
/pk 600, $0.66/ea
X1 Tools 1/4-20 Ultra Hi Performance Black-Oxide Steel Nylon-Insert Locknuts, 25PK X1E-FAS-NUT-LOC-1210x25
X1 Tools

1/4-20 Ultra Hi Performance Black-Oxide Steel Nylon-Insert Locknuts, 25PK

Zoro # G922853323
Mfr # X1E-FAS-NUT-LOC-1210x25
product price:  $16.79
/pk 25, $0.67/ea
X1 Tools M14 x 2 mm UHP Black-Corrosion-Resistant-Coated Steel Nylon-Insert Locknuts, 25PK X1E-FAS-NUT-LOC-1322x25
X1 Tools

M14 x 2 mm UHP Black-Corrosion-Resistant-Coated Steel Nylon-Insert Locknuts, 25PK

Zoro # G122849577
Mfr # X1E-FAS-NUT-LOC-1322x25
product price:  $258.99
/pk 25, $10.36/ea
X1 Tools 12-24 Performance Zinc-Plated Steel Thin-Profile Nylon-Insert Locknuts, 12PK X1E-FAS-NUT-LOC-3424x12
X1 Tools

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

Zoro # G622856853
Mfr # X1E-FAS-NUT-LOC-3424x12
product price:  $2.95
/pk 12, $0.25/ea
X1 Tools 1/4-20 Performance Zinc-Plated Steel Thin-Profile Nylon-Insert Locknuts, 8PK X1E-FAS-NUT-LOC-3426x8
X1 Tools

1/4-20 Performance Zinc-Plated Steel Thin-Profile Nylon-Insert Locknuts, 8PK

Zoro # G222854358
Mfr # X1E-FAS-NUT-LOC-3426x8
product price:  $1.69
/pk 8, $0.21/ea
X1 Tools 1/4-28 Corrosion-Resistant 316 Stainless Steel Thin-Profile Nylon-Insert Locknuts, 12PK X1E-FAS-NUT-LOC-3916x12
X1 Tools

1/4-28 Corrosion-Resistant 316 Stainless Steel Thin-Profile Nylon-Insert Locknuts, 12PK

Zoro # G222845172
Mfr # X1E-FAS-NUT-LOC-3916x12
product price:  $12.29
/pk 12, $1.02/ea
Heyco -Lock Nuts 8462
Heyco

-Lock Nuts

Zoro # G716558571
Mfr # 8462
product price:  $4.59
/ea
Sold in mult. of 2 for $9.18
X1 Tools 3/8-16 Corrosion-Resistant 316 Stainless Steel Nylon-Insert Locknuts, 75PK X1E-FAS-NUT-LOC-2332x75
X1 Tools

3/8-16 Corrosion-Resistant 316 Stainless Steel Nylon-Insert Locknuts, 75PK

Zoro # G922847667
Mfr # X1E-FAS-NUT-LOC-2332x75
product price:  $59.99
/pk 75, $0.80/ea
X1 Tools M10 x 1.25 mm Ultra Hi Performance Zinc-Plated Steel Nylon-Insert Locknuts, 4PK X1E-FAS-NUT-LOC-1122x4
X1 Tools

M10 x 1.25 mm Ultra Hi Performance Zinc-Plated Steel Nylon-Insert Locknuts, 4PK

Zoro # G222844175
Mfr # X1E-FAS-NUT-LOC-1122x4
product price:  $14.69
/pk 4, $3.67/ea
X1 Tools 5/8-11 Corrosion-Resistant 18-8 Stainless Steel Thin-Profile Nylon-Insert Locknuts X1E-FAS-NUT-LOC-3742x1
X1 Tools

5/8-11 Corrosion-Resistant 18-8 Stainless Steel Thin-Profile Nylon-Insert Locknuts

Zoro # G922852579
Mfr # X1E-FAS-NUT-LOC-3742x1
product price:  $11.65
/ea
Pflitsch Lock Nut, M12-1.50, Polyamide 1420/212
Pflitsch

Lock Nut, M12-1.50, Polyamide

Zoro # G7896245
Mfr # 1420/212
product price:  $0.13
/ea
Sold in mult. of 56 for $7.28
X1 Tools M22 x 2.5 mm Ultra Hi Performance Zinc-Plated Steel Nylon-Insert Locknuts X1E-FAS-NUT-LOC-1152x1
X1 Tools

M22 x 2.5 mm Ultra Hi Performance Zinc-Plated Steel Nylon-Insert Locknuts

Zoro # G522852443
Mfr # X1E-FAS-NUT-LOC-1152x1
product price:  $17.69
/ea
X1 Tools 5/8-18 Hi-Performance Zinc-Plated Steel Nylon-Insert Locknuts, 12PK X1E-FAS-NUT-LOC-1623x12
X1 Tools

5/8-18 Hi-Performance Zinc-Plated Steel Nylon-Insert Locknuts, 12PK

Zoro # G122844862
Mfr # X1E-FAS-NUT-LOC-1623x12
product price:  $24.19
/pk 12, $2.02/ea
X1 Tools 5/16-24 Ultra H.P. Yellow Zinc Plated Grade 8 Steel Nylon-Insert Locknuts, 25PK X1E-FAS-NUT-LOC-1016x25
X1 Tools

5/16-24 Ultra H.P. Yellow Zinc Plated Grade 8 Steel Nylon-Insert Locknuts, 25PK

Zoro # G422844456
Mfr # X1E-FAS-NUT-LOC-1016x25
product price:  $20.79
/pk 25, $0.83/ea
Pem Clinch Nut, PK25 PM-14490-025P
Pem

Clinch Nut, PK25

Zoro # G623524652
Mfr # PM-14490-025P
product price:  $6.79
/pk 25, $0.27/ea
Sold in mult. of 2 for $13.58
Kipp Lock Nut, M36, Steel, Class 10, Bright, 11 mm Ht K0701.36
Kipp

Lock Nut, M36, Steel, Class 10, Bright, 11 mm Ht

Zoro # G202052323
Mfr # K0701.36
product price:  $50.15
/ea
X1 Tools 1 1/4-7 Corrosion-Resistant 18-8 Stainless Steel Thin-Profile Nylon-Insert Locknuts, 50PK X1E-FAS-NUT-LOC-3760x50
X1 Tools

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

Zoro # G022855906
Mfr # X1E-FAS-NUT-LOC-3760x50
product price:  $2,581.99
/pk 50, $51.64/ea
X1 Tools 7/16-14 Corrosion-Resistant 18-8 Stainless Steel Thin-Profile Nylon-Insert Locknuts, 150PK X1E-FAS-NUT-LOC-3732x150
X1 Tools

7/16-14 Corrosion-Resistant 18-8 Stainless Steel Thin-Profile Nylon-Insert Locknuts, 150PK

Zoro # G322853169
Mfr # X1E-FAS-NUT-LOC-3732x150
product price:  $202.99
/pk 150, $1.35/ea
X1 Tools M4 x 0.7 mm Performance Zinc-Plated Steel Thin-Profile Nylon-Insert Locknuts, 250PK X1E-FAS-NUT-LOC-3478x250
X1 Tools

M4 x 0.7 mm Performance Zinc-Plated Steel Thin-Profile Nylon-Insert Locknuts, 250PK

Zoro # G222845288
Mfr # X1E-FAS-NUT-LOC-3478x250
product price:  $162.99
/pk 250, $0.65/ea
X1 Tools 1/4-20 Lightweight 6061 Aluminum Nylon-Insert Locknuts, 500PK X1E-FAS-NUT-LOC-2616x500
X1 Tools

1/4-20 Lightweight 6061 Aluminum Nylon-Insert Locknuts, 500PK

Zoro # G722851505
Mfr # X1E-FAS-NUT-LOC-2616x500
product price:  $211.99
/pk 500, $0.42/ea
X1 Tools 7/16-20 Corrosion-Resistant 18-8 Stainless Steel Thin-Profile Nylon-Insert Locknuts, 2PK X1E-FAS-NUT-LOC-3734x2
X1 Tools

7/16-20 Corrosion-Resistant 18-8 Stainless Steel Thin-Profile Nylon-Insert Locknuts, 2PK

Zoro # G122848921
Mfr # X1E-FAS-NUT-LOC-3734x2
product price:  $5.15
/pk 2, $2.58/ea
Sold in mult. of 2 for $10.30
X1 Tools 7/16-20 Corrosion-Resistant 316 Stainless Steel Nylon-Insert Locknuts, 1000PK X1E-FAS-NUT-LOC-2338x1000
X1 Tools

7/16-20 Corrosion-Resistant 316 Stainless Steel Nylon-Insert Locknuts, 1000PK

Zoro # G222865255
Mfr # X1E-FAS-NUT-LOC-2338x1000
product price:  $1,813.99
/pk 1000, $1.81/ea
X1 Tools M10 x 1.5 mm Ultra Hi Performance Zinc-Plated Steel Nylon-Insert Locknuts, 120PK X1E-FAS-NUT-LOC-1124x120
X1 Tools

M10 x 1.5 mm Ultra Hi Performance Zinc-Plated Steel Nylon-Insert Locknuts, 120PK

Zoro # G822844544
Mfr # X1E-FAS-NUT-LOC-1124x120
product price:  $141.99
/pk 120, $1.18/ea
X1 Tools 8-32 Corrosion-Resistant 18-8 Stainless Steel Thin-Profile Nylon-Insert Locknuts, 100PK X1E-FAS-NUT-LOC-3714x100
X1 Tools

8-32 Corrosion-Resistant 18-8 Stainless Steel Thin-Profile Nylon-Insert Locknuts, 100PK

Zoro # G222862704
Mfr # X1E-FAS-NUT-LOC-3714x100
product price:  $22.39
/pk 100, $0.22/ea
X1 Tools 5/8-11 Performance Zinc-Plated Steel Nylon-Insert Locknuts, 10PK X1E-FAS-NUT-LOC-1952x10
X1 Tools

5/8-11 Performance Zinc-Plated Steel Nylon-Insert Locknuts, 10PK

Zoro # G522845346
Mfr # X1E-FAS-NUT-LOC-1952x10
product price:  $16.99
/pk 10, $1.70/ea
Lock Nuts (10,000+ items) - Page 20
  • First
  • Previous
  • 20
    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 NutsWing NutsGeneral Washers
Hex Head Cap ScrewsMachine ScrewsSocket Head Cap ScrewsLock WashersSelf-Tapping Screws
nylon-insert locknuts1/2" flange lock nut5/16-24 nuts10mm nuts5/16-18 nylon locking nut
2 inch locknutlock nut 5/16-181/4" locking nutnylon insert hex nut3/8-16 nuts stainless steel

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