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
Clipboard Icon Clipboard Icon Quick Order
User Headset Icon User Headset Icon Support
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 217

X1 Tools 3/8-24 Performance Zinc-Plated Steel Thin-Profile Nylon-Insert Locknuts, 12PK X1E-FAS-NUT-LOC-3436x12
X1 Tools

3/8-24 Performance Zinc-Plated Steel Thin-Profile Nylon-Insert Locknuts, 12PK

Zoro # G622856365
Mfr # X1E-FAS-NUT-LOC-3436x12
product price: 
$3.19
/pk 12, $0.27/ea
Sold in mult. of 3 for $9.57
X1 Tools 5/8-18 UHP Yellow Zinc Plated Grade 8 Steel Thin-Profile Nylon-Insert Locknuts, 25PK X1E-FAS-NUT-LOC-3032x25
X1 Tools

5/8-18 UHP Yellow Zinc Plated Grade 8 Steel Thin-Profile Nylon-Insert Locknuts, 25PK

Zoro # G122865843
Mfr # X1E-FAS-NUT-LOC-3032x25
product price: 
$107.99
/pk 25, $4.32/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 1/4-20 Black-Oxide C.R. 18-8 Stainless Steel Nylon-Insert Locknuts, 120PK X1E-FAS-NUT-LOC-2232x120
X1 Tools

1/4-20 Black-Oxide C.R. 18-8 Stainless Steel Nylon-Insert Locknuts, 120PK

Zoro # G422844647
Mfr # X1E-FAS-NUT-LOC-2232x120
product price: 
$75.39
/pk 120, $0.63/ea
X1 Tools 5/8-18 UHP Black-Oxide Grade 8 Steel Thin-Profile Nylon-Insert Locknuts, 20PK X1E-FAS-NUT-LOC-3230x20
X1 Tools

5/8-18 UHP Black-Oxide Grade 8 Steel Thin-Profile Nylon-Insert Locknuts, 20PK

Zoro # G722847980
Mfr # X1E-FAS-NUT-LOC-3230x20
product price: 
$94.55
/pk 20, $4.73/ea
X1 Tools 1 1/4-12 UHP Black-Oxide Grade 8 Steel Thin-Profile Nylon-Insert Locknuts, 4PK X1E-FAS-NUT-LOC-3238x4
X1 Tools

1 1/4-12 UHP Black-Oxide Grade 8 Steel Thin-Profile Nylon-Insert Locknuts, 4PK

Zoro # G322862093
Mfr # X1E-FAS-NUT-LOC-3238x4
product price: 
$123.99
/pk 4, $31.00/ea
X1 Tools 1/2-20 Ultra Hi Performance Black-Oxide Steel Nylon-Insert Locknuts, 200PK X1E-FAS-NUT-LOC-1228x200
X1 Tools

1/2-20 Ultra Hi Performance Black-Oxide Steel Nylon-Insert Locknuts, 200PK

Zoro # G222863749
Mfr # X1E-FAS-NUT-LOC-1228x200
product price: 
$292.99
/pk 200, $1.46/ea
X1 Tools 7/16-14 Corrosion-Resistant 18-8 Stainless Steel Nylon-Insert Locknuts, 200PK X1E-FAS-NUT-LOC-2131x200
X1 Tools

7/16-14 Corrosion-Resistant 18-8 Stainless Steel Nylon-Insert Locknuts, 200PK

Zoro # G822851740
Mfr # X1E-FAS-NUT-LOC-2131x200
product price: 
$161.99
/pk 200, $0.81/ea
X1 Tools M24 x 3 mm Performance Zinc-Plated Steel Nylon-Insert Locknuts, 75PK X1E-FAS-NUT-LOC-1994x75
X1 Tools

M24 x 3 mm Performance Zinc-Plated Steel Nylon-Insert Locknuts, 75PK

Zoro # G022846928
Mfr # X1E-FAS-NUT-LOC-1994x75
product price: 
$613.99
/pk 75, $8.19/ea
X1 Tools 1/4-20 Performance Black-Corrosion-Resistant-Coated Steel Nylon-Insert Locknuts, 50PK X1E-FAS-NUT-LOC-2018x50
X1 Tools

1/4-20 Performance Black-Corrosion-Resistant-Coated Steel Nylon-Insert Locknuts, 50PK

Zoro # G522850937
Mfr # X1E-FAS-NUT-LOC-2018x50
product price: 
$195.99
/pk 50, $3.92/ea
X1 Tools 1 1/2-12 UHP Yellow Zinc Plated Grade 8 Steel Thin-Profile Nylon-Insert Locknuts, 6PK X1E-FAS-NUT-LOC-3042x6
X1 Tools

1 1/2-12 UHP Yellow Zinc Plated Grade 8 Steel Thin-Profile Nylon-Insert Locknuts, 6PK

Zoro # G022844924
Mfr # X1E-FAS-NUT-LOC-3042x6
product price: 
$384.99
/pk 6, $64.17/ea
Standard Locknut Bearing Lock Nut, Steel N01
Standard Locknut

Bearing Lock Nut, Steel

Zoro # G822961821
Mfr # N01
product price: 
$4.85
/ea
Newport Fasteners Nylon Insert Lock Nut, 1/2"-13, 18-8 Stainless Steel, Not Graded, 200 PK 959508
Newport Fasteners

Nylon Insert Lock Nut, 1/2"-13, 18-8 Stainless Steel, Not Graded, 200 PK

Zoro # G506331858
Mfr # 959508
product price: 
$341.99
/pk 200, $1.71/ea
Newport Fasteners Serrated Lock Nut, 1/2"-13, Steel, Grade 8, Yellow Zinc, 250 PK 371439
Newport Fasteners

Serrated Lock Nut, 1/2"-13, Steel, Grade 8, Yellow Zinc, 250 PK

Zoro # G906308559
Mfr # 371439
product price: 
$290.99
/pk 250, $1.16/ea
Newport Fasteners Flexible Top Lock Nut, 1/4"-28, Steel, Cadmium Plated NB217441B-1
Newport Fasteners

Flexible Top Lock Nut, 1/4"-28, Steel, Cadmium Plated

Zoro # G106332781
Mfr # NB217441B-1
product price: 
$42.55
/ea
Newport Fasteners Flexible Top Lock Nut, 1/4"-20, 18-8 Stainless Steel, Not Graded, 0.122 in Ht, 250 PK 541749
Newport Fasteners

Flexible Top Lock Nut, 1/4"-20, 18-8 Stainless Steel, Not Graded, 0.122 in Ht, 250 PK

Zoro # G406329764
Mfr # 541749
product price: 
$714.99
/pk 250, $2.86/ea
Newport Fasteners Nylon Insert Lock Nut, #4-48, 316 Stainless Steel, Not Graded, 100 PK 467661-PR-100
Newport Fasteners

Nylon Insert Lock Nut, #4-48, 316 Stainless Steel, Not Graded, 100 PK

Zoro # G206328097
Mfr # 467661-PR-100
product price: 
$42.55
/pk 100, $0.43/ea
Zoro Select Self Clinching Lock Nut, M4-0.70, Steel, Zinc Plated, 6000 PK M4-2NCL
Zoro Select

Self Clinching Lock Nut, M4-0.70, Steel, Zinc Plated, 6000 PK

Zoro # G2588684
Mfr # M4-2NCL
product price: 
$555.99
/pk 6000, $0.09/ea
Erickson Locknut/Stopscrew, SEALING RING CDER25140M
Erickson

Locknut/Stopscrew, SEALING RING

Zoro # G3587225
Mfr # CDER25140M
product price: 
$49.19
/ea
Newport Fasteners Nylon Insert Lock Nut, 1/2"-20, Steel, Zinc Plated, 300 PK 765643
Newport Fasteners

Nylon Insert Lock Nut, 1/2"-20, Steel, Zinc Plated, 300 PK

Zoro # G006329614
Mfr # 765643
product price: 
$202.99
/pk 300, $0.68/ea
Newport Fasteners Nylon Insert Lock Nut, 3/8"-16, Steel, Grade A, Zinc Plated, 2500 PK 683192-BR-2500
Newport Fasteners

Nylon Insert Lock Nut, 3/8"-16, Steel, Grade A, Zinc Plated, 2500 PK

Zoro # G106329620
Mfr # 683192-BR-2500
product price: 
$337.99
/pk 2500, $0.14/ea
Timken 18 Threads per Inch, 2-1/16 in. Outside Diameter TN065-2
Timken

18 Threads per Inch, 2-1/16 in. Outside Diameter

Zoro # G512509845
Mfr # TN065-2
product price: 
$28.69
/ea
Oxoxo 1/4-20-1 Self Clinching Nut Zinc, 6000PK 158055
Oxoxo

1/4-20-1 Self Clinching Nut Zinc, 6000PK

Zoro # G522681975
Mfr # 158055
product price: 
$1,739.99
/pk 6000, $0.29/ea
Newport Fasteners Nylon Insert Lock Nut, 7/16"-20, Steel, Zinc Plated, 2000 PK NB305297B-2000
Newport Fasteners

Nylon Insert Lock Nut, 7/16"-20, Steel, Zinc Plated, 2000 PK

Zoro # G806331978
Mfr # NB305297B-2000
product price: 
$351.99
/pk 2000, $0.18/ea
Newport Fasteners Nylon Insert Lock Nut, M12-1.75, Steel, Class 8, Zinc Plated, 50 PK 713074-PR-50
Newport Fasteners

Nylon Insert Lock Nut, M12-1.75, Steel, Class 8, Zinc Plated, 50 PK

Zoro # G006330122
Mfr # 713074-PR-50
product price: 
$51.49
/pk 50, $1.03/ea
Newport Fasteners Nylon Insert Lock Nut, #12-24, 18-8 Stainless Steel, Not Graded, 2000 PK 538769
Newport Fasteners

Nylon Insert Lock Nut, #12-24, 18-8 Stainless Steel, Not Graded, 2000 PK

Zoro # G206329858
Mfr # 538769
product price: 
$1,602.99
/pk 2000, $0.80/ea
X1 Tools 1/2-20 Corrosion-Resistant 316 Stainless Steel Thin-Profile Nylon-Insert Locknuts, 20PK X1E-FAS-NUT-LOC-3932x20
X1 Tools

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

Zoro # G222849620
Mfr # X1E-FAS-NUT-LOC-3932x20
product price: 
$60.49
/pk 20, $3.02/ea
X1 Tools 7/8-14 Performance Zinc-Plated Steel Nylon-Insert Locknuts, 75PK X1E-FAS-NUT-LOC-1962x75
X1 Tools

7/8-14 Performance Zinc-Plated Steel Nylon-Insert Locknuts, 75PK

Zoro # G922862189
Mfr # X1E-FAS-NUT-LOC-1962x75
product price: 
$260.99
/pk 75, $3.48/ea
X1 Tools 1 1/4-7 Hi-Performance Zinc-Plated Steel Nylon-Insert Locknuts, 8PK X1E-FAS-NUT-LOC-1631x8
X1 Tools

1 1/4-7 Hi-Performance Zinc-Plated Steel Nylon-Insert Locknuts, 8PK

Zoro # G522852597
Mfr # X1E-FAS-NUT-LOC-1631x8
product price: 
$148.99
/pk 8, $18.62/ea
Heico-Lock 2-Piece Wedge Lock Nut, M24-3.0, Steel, Class 10, Zinc-Coated, 20 17/20 mm Ht, 2 PK HLMG-24/10-B
Heico-Lock

2-Piece Wedge Lock Nut, M24-3.0, Steel, Class 10, Zinc-Coated, 20 17/20 mm Ht, 2 PK

Zoro # G811471461
Mfr # HLMG-24/10-B
product price: 
$21.39
/pk 2, $10.70/ea
X1 Tools 7/8-14 Performance Zinc-Plated Steel Nylon-Insert Locknuts, 15PK X1E-FAS-NUT-LOC-1962x15
X1 Tools

7/8-14 Performance Zinc-Plated Steel Nylon-Insert Locknuts, 15PK

Zoro # G222849729
Mfr # X1E-FAS-NUT-LOC-1962x15
product price: 
$62.39
/pk 15, $4.16/ea
X1 Tools 5/16-18 Ultra Hi Performance Black-Oxide Steel Nylon-Insert Locknuts, 6PK X1E-FAS-NUT-LOC-1214x6
X1 Tools

5/16-18 Ultra Hi Performance Black-Oxide Steel Nylon-Insert Locknuts, 6PK

Zoro # G722851161
Mfr # X1E-FAS-NUT-LOC-1214x6
product price: 
$5.19
/pk 6, $0.87/ea
Sold in mult. of 2 for $10.38
X1 Tools 3/8-16 Corrosion-Resistant 18-8 Stainless Steel Nylon-Insert Locknuts, 15PK X1E-FAS-NUT-LOC-2129x15
X1 Tools

3/8-16 Corrosion-Resistant 18-8 Stainless Steel Nylon-Insert Locknuts, 15PK

Zoro # G922851732
Mfr # X1E-FAS-NUT-LOC-2129x15
product price: 
$15.99
/pk 15, $1.07/ea
X1 Tools 3/8-24 Black-Oxide Corrosion-Resistant 18-8 Stainless Steel Thin-Profile Nylon-Insert Locknut, 100PK X1E-FAS-NUT-LOC-3826x100
X1 Tools

3/8-24 Black-Oxide Corrosion-Resistant 18-8 Stainless Steel Thin-Profile Nylon-Insert Locknut, 100PK

Zoro # G222860373
Mfr # X1E-FAS-NUT-LOC-3826x100
product price: 
$111.99
/pk 100, $1.12/ea
X1 Tools 1/2-13 Performance Zinc-Plated Steel Thin-Profile Nylon-Insert Locknuts, 8PK X1E-FAS-NUT-LOC-3442x8
X1 Tools

1/2-13 Performance Zinc-Plated Steel Thin-Profile Nylon-Insert Locknuts, 8PK

Zoro # G322865360
Mfr # X1E-FAS-NUT-LOC-3442x8
product price: 
$3.69
/pk 8, $0.46/ea
Sold in mult. of 3 for $11.07
X1 Tools 10-24 Corrosion-Resistant 316 Stainless Steel Thin-Profile Nylon-Insert Locknuts, 100PK X1E-FAS-NUT-LOC-3910x100
X1 Tools

10-24 Corrosion-Resistant 316 Stainless Steel Thin-Profile Nylon-Insert Locknuts, 100PK

Zoro # G922854849
Mfr # X1E-FAS-NUT-LOC-3910x100
product price: 
$80.49
/pk 100, $0.80/ea
Lock Nuts (10,000+ items) - Page 217
  • First
  • Previous
  • 217
    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 NutsCap Nuts & Acorn NutsWing NutsGeneral Washers
Hex Head Cap ScrewsMachine ScrewsSocket Head Cap ScrewsLock WashersSelf-Tapping Screws
nylon insert hex nut5/16-18 nylon locking nutn-10 lock nut10mm nuts1" lock nuts
1/4" locking nut1/4 npt locknutsdistorted lock nut4" lock nuts3/8-16 ss nuts

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