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 209

X1 Tools 1-14 Corrosion-Resistant 18-8 Stainless Steel Nylon-Insert Locknuts, 4PK X1E-FAS-NUT-LOC-2145x4
X1 Tools

1-14 Corrosion-Resistant 18-8 Stainless Steel Nylon-Insert Locknuts, 4PK

Zoro # G222855225
Mfr # X1E-FAS-NUT-LOC-2145x4
product price:  $74.35
/pk 4, $18.59/ea
X1 Tools 1 1/2-6 Hi-Performance Zinc-Plated Steel Nylon-Insert Locknuts, 15PK X1E-FAS-NUT-LOC-1632x15
X1 Tools

1 1/2-6 Hi-Performance Zinc-Plated Steel Nylon-Insert Locknuts, 15PK

Zoro # G422850402
Mfr # X1E-FAS-NUT-LOC-1632x15
product price:  $714.99
/pk 15, $47.67/ea
X1 Tools 1-14 Performance Zinc-Plated Steel Nylon-Insert Locknuts, 400PK X1E-FAS-NUT-LOC-1966x400
X1 Tools

1-14 Performance Zinc-Plated Steel Nylon-Insert Locknuts, 400PK

Zoro # G222848937
Mfr # X1E-FAS-NUT-LOC-1966x400
product price:  $3,218.99
/pk 400, $8.05/ea
Oxoxo M5-0.80 Din 985 Metric Class 10 Nylon Insert Hex Locknut Zinc, 2000PK 627670
Oxoxo

M5-0.80 Din 985 Metric Class 10 Nylon Insert Hex Locknut Zinc, 2000PK

Zoro # G722689740
Mfr # 627670
product price:  $143.99
/pk 2000, $0.07/ea
Oxoxo M5-0.80 Din 985 Metric Nylon Insert Hex Locknut A4 Stainless Steel, 5000PK 557812
Oxoxo

M5-0.80 Din 985 Metric Nylon Insert Hex Locknut A4 Stainless Steel, 5000PK

Zoro # G022679236
Mfr # 557812
product price:  $647.99
/pk 5000, $0.13/ea
X1 Tools 3/8-24 Black-Oxide Corrosion-Resistant 18-8 Stainless Steel Thin-Profile Nylon-Insert Locknuts, 12PK X1E-FAS-NUT-LOC-3826x12
X1 Tools

3/8-24 Black-Oxide Corrosion-Resistant 18-8 Stainless Steel Thin-Profile Nylon-Insert Locknuts, 12PK

Zoro # G622851582
Mfr # X1E-FAS-NUT-LOC-3826x12
product price:  $19.39
/pk 12, $1.62/ea
X1 Tools 3/4-16 Performance Zinc-Plated Steel Thin-Profile Nylon-Insert Locknuts, 75PK X1E-FAS-NUT-LOC-3456x75
X1 Tools

3/4-16 Performance Zinc-Plated Steel Thin-Profile Nylon-Insert Locknuts, 75PK

Zoro # G722848840
Mfr # X1E-FAS-NUT-LOC-3456x75
product price:  $147.99
/pk 75, $1.97/ea
X1 Tools 1/4-20 Black-Oxide C.R. 18-8 Stainless Steel Nylon-Insert Locknuts, 12PK X1E-FAS-NUT-LOC-2232x12
X1 Tools

1/4-20 Black-Oxide C.R. 18-8 Stainless Steel Nylon-Insert Locknuts, 12PK

Zoro # G322861843
Mfr # X1E-FAS-NUT-LOC-2232x12
product price:  $13.45
/pk 12, $1.12/ea
X1 Tools 6-32 Performance Black-Corrosion-Resistant-Coated Steel Thin-Profile Nylon-Insert Locknuts, 400PK X1E-FAS-NUT-LOC-3610x400
X1 Tools

6-32 Performance Black-Corrosion-Resistant-Coated Steel Thin-Profile Nylon-Insert Locknuts, 400PK

Zoro # G122854571
Mfr # X1E-FAS-NUT-LOC-3610x400
product price:  $1,328.99
/pk 400, $3.32/ea
X1 Tools M24 x 3 mm Performance Zinc-Plated Steel Nylon-Insert Locknuts X1E-FAS-NUT-LOC-1994x1
X1 Tools

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

Zoro # G722858672
Mfr # X1E-FAS-NUT-LOC-1994x1
product price:  $10.99
/ea
X1 Tools 7/16-14 Corrosion-Resistant 18-8 Stainless Steel Nylon-Insert Locknuts, 6PK X1E-FAS-NUT-LOC-2131x6
X1 Tools

7/16-14 Corrosion-Resistant 18-8 Stainless Steel Nylon-Insert Locknuts, 6PK

Zoro # G622847240
Mfr # X1E-FAS-NUT-LOC-2131x6
product price:  $9.99
/pk 6, $1.67/ea
X1 Tools 1-14 UHP Yellow Zinc Plated Grade 8 Steel Thin-Profile Nylon-Insert Locknuts, 15PK X1E-FAS-NUT-LOC-3038x15
X1 Tools

1-14 UHP Yellow Zinc Plated Grade 8 Steel Thin-Profile Nylon-Insert Locknuts, 15PK

Zoro # G822860575
Mfr # X1E-FAS-NUT-LOC-3038x15
product price:  $219.99
/pk 15, $14.67/ea
X1 Tools 3/8-16 Corrosion-Resistant 18-8 Stainless Steel Thin-Profile Nylon-Insert Locknuts, 12PK X1E-FAS-NUT-LOC-3728x12
X1 Tools

3/8-16 Corrosion-Resistant 18-8 Stainless Steel Thin-Profile Nylon-Insert Locknuts, 12PK

Zoro # G522845469
Mfr # X1E-FAS-NUT-LOC-3728x12
product price:  $12.15
/pk 12, $1.01/ea
X1 Tools M5 x 0.8 mm Performance Zinc-Plated Steel Nylon-Insert Locknuts, 25PK X1E-FAS-NUT-LOC-1974x25
X1 Tools

M5 x 0.8 mm Performance Zinc-Plated Steel Nylon-Insert Locknuts, 25PK

Zoro # G422844845
Mfr # X1E-FAS-NUT-LOC-1974x25
product price:  $4.29
/pk 25, $0.17/ea
Newport Fasteners Nylon Insert Lock Nut, 3/8"-24, 316 Stainless Steel, Not Graded, 2500 PK 701107-BR-2500
Newport Fasteners

Nylon Insert Lock Nut, 3/8"-24, 316 Stainless Steel, Not Graded, 2500 PK

Zoro # G706329761
Mfr # 701107-BR-2500
product price:  $1,221.99
/pk 2500, $0.49/ea
X1 Tools 1-8 Corrosion-Resistant 18-8 Stainless Steel Thin-Profile Nylon-Insert Locknuts, 400PK X1E-FAS-NUT-LOC-3754x400
X1 Tools

1-8 Corrosion-Resistant 18-8 Stainless Steel Thin-Profile Nylon-Insert Locknuts, 400PK

Zoro # G822854642
Mfr # X1E-FAS-NUT-LOC-3754x400
product price:  $9,982.99
/pk 400, $24.96/ea
Oxoxo 5/16-24 NE Nylon Insert Hex Lock Nut Zinc, 1000PK 183622
Oxoxo

5/16-24 NE Nylon Insert Hex Lock Nut Zinc, 1000PK

Zoro # G422662302
Mfr # 183622
product price:  $99.59
/pk 1000, $0.10/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 3/8-24 Black-Oxide C.R. 18-8 Stainless Steel Nylon-Insert Locknuts, 4PK X1E-FAS-NUT-LOC-2242x4
X1 Tools

3/8-24 Black-Oxide C.R. 18-8 Stainless Steel Nylon-Insert Locknuts, 4PK

Zoro # G222867068
Mfr # X1E-FAS-NUT-LOC-2242x4
product price:  $18.15
/pk 4, $4.54/ea
X1 Tools 1/4-20 UHP Yellow Zinc Plated Grade 8 Steel Thin-Profile Nylon-Insert Locknuts, 12PK X1E-FAS-NUT-LOC-3010x12
X1 Tools

1/4-20 UHP Yellow Zinc Plated Grade 8 Steel Thin-Profile Nylon-Insert Locknuts, 12PK

Zoro # G122851921
Mfr # X1E-FAS-NUT-LOC-3010x12
product price:  $3.69
/pk 12, $0.31/ea
Oxoxo 5/8-11 Stover Alternative Automation Style Lock Nut Grade C Cad And Wax, 200PK 208747
Oxoxo

5/8-11 Stover Alternative Automation Style Lock Nut Grade C Cad And Wax, 200PK

Zoro # G022692396
Mfr # 208747
product price:  $253.99
/pk 200, $1.27/ea
X1 Tools 1/2-13 Corrosion-Resistant 18-8 Stainless Steel Nylon-Insert Locknuts, 75PK X1E-FAS-NUT-LOC-2133x75
X1 Tools

1/2-13 Corrosion-Resistant 18-8 Stainless Steel Nylon-Insert Locknuts, 75PK

Zoro # G022864274
Mfr # X1E-FAS-NUT-LOC-2133x75
product price:  $109.99
/pk 75, $1.47/ea
X1 Tools 1/2-20 UHP Yellow Zinc Plated Grade 8 Steel Thin-Profile Nylon-Insert Locknuts, 10PK X1E-FAS-NUT-LOC-3028x10
X1 Tools

1/2-20 UHP Yellow Zinc Plated Grade 8 Steel Thin-Profile Nylon-Insert Locknuts, 10PK

Zoro # G722858733
Mfr # X1E-FAS-NUT-LOC-3028x10
product price:  $33.19
/pk 10, $3.32/ea
X1 Tools 1-8 Performance Zinc-Plated Steel Nylon-Insert Locknuts, 50PK X1E-FAS-NUT-LOC-1964x50
X1 Tools

1-8 Performance Zinc-Plated Steel Nylon-Insert Locknuts, 50PK

Zoro # G822847736
Mfr # X1E-FAS-NUT-LOC-1964x50
product price:  $271.99
/pk 50, $5.44/ea
X1 Tools 3/8-16 Performance Black-Corrosion-Resistant-Coated Steel Nylon-Insert Locknuts, 200PK X1E-FAS-NUT-LOC-2022x200
X1 Tools

3/8-16 Performance Black-Corrosion-Resistant-Coated Steel Nylon-Insert Locknuts, 200PK

Zoro # G522856830
Mfr # X1E-FAS-NUT-LOC-2022x200
product price:  $828.99
/pk 200, $4.14/ea
X1 Tools 3/4-16 Performance Zinc-Plated Steel Thin-Profile Nylon-Insert Locknuts, 1000PK X1E-FAS-NUT-LOC-3456x1000
X1 Tools

3/4-16 Performance Zinc-Plated Steel Thin-Profile Nylon-Insert Locknuts, 1000PK

Zoro # G922845656
Mfr # X1E-FAS-NUT-LOC-3456x1000
product price:  $2,751.99
/pk 1000, $2.75/ea
X1 Tools 3/4-16 UHP Black-Oxide Grade 8 Steel Thin-Profile Nylon-Insert Locknuts, 250PK X1E-FAS-NUT-LOC-3232x250
X1 Tools

3/4-16 UHP Black-Oxide Grade 8 Steel Thin-Profile Nylon-Insert Locknuts, 250PK

Zoro # G622866241
Mfr # X1E-FAS-NUT-LOC-3232x250
product price:  $2,108.99
/pk 250, $8.44/ea
X1 Tools 1 1/8-7 Performance Zinc-Plated Steel Nylon-Insert Locknuts, 10PK X1E-FAS-NUT-LOC-1968x10
X1 Tools

1 1/8-7 Performance Zinc-Plated Steel Nylon-Insert Locknuts, 10PK

Zoro # G322854883
Mfr # X1E-FAS-NUT-LOC-1968x10
product price:  $92.99
/pk 10, $9.30/ea
X1 Tools 7/8-14 Corrosion-Resistant 18-8 Stainless Steel Nylon-Insert Locknuts, 15PK X1E-FAS-NUT-LOC-2142x15
X1 Tools

7/8-14 Corrosion-Resistant 18-8 Stainless Steel Nylon-Insert Locknuts, 15PK

Zoro # G222859186
Mfr # X1E-FAS-NUT-LOC-2142x15
product price:  $275.99
/pk 15, $18.40/ea
X1 Tools 1/4-28 UHP Black-Oxide Grade 8 Steel Thin-Profile Nylon-Insert Locknuts, 6PK X1E-FAS-NUT-LOC-3212x6
X1 Tools

1/4-28 UHP Black-Oxide Grade 8 Steel Thin-Profile Nylon-Insert Locknuts, 6PK

Zoro # G822857582
Mfr # X1E-FAS-NUT-LOC-3212x6
product price:  $20.29
/pk 6, $3.38/ea
X1 Tools 6-32 Black-Oxide C.R. 18-8 Stainless Steel Nylon-Insert Locknuts, 250PK X1E-FAS-NUT-LOC-2218x250
X1 Tools

6-32 Black-Oxide C.R. 18-8 Stainless Steel Nylon-Insert Locknuts, 250PK

Zoro # G122848488
Mfr # X1E-FAS-NUT-LOC-2218x250
product price:  $64.95
/pk 250, $0.26/ea
Newport Fasteners Nylon Insert Lock Nut, #6-40, Steel, Grade A, Zinc Plated, 5000 PK 104249-BR-5000
Newport Fasteners

Nylon Insert Lock Nut, #6-40, Steel, Grade A, Zinc Plated, 5000 PK

Zoro # G506327998
Mfr # 104249-BR-5000
product price:  $705.99
/pk 5000, $0.14/ea
No Product Image Available
Zoro Select

Lock Nut, Stainless Steel, 3/32", PK5

Zoro # G022964165
Mfr # FLJNFIX031-005P
product price:  $20.29
/pk 5, $4.06/ea
X1 Tools 9/16-12 Performance Zinc-Plated Steel Nylon-Insert Locknuts, 2PK X1E-FAS-NUT-LOC-1948x2
X1 Tools

9/16-12 Performance Zinc-Plated Steel Nylon-Insert Locknuts, 2PK

Zoro # G522853808
Mfr # X1E-FAS-NUT-LOC-1948x2
product price:  $2.69
/pk 2, $1.35/ea
X1 Tools 10-32 Corrosion-Resistant 18-8 Stainless Steel Thin-Profile Nylon-Insert Locknuts, 10PK X1E-FAS-NUT-LOC-3718x10
X1 Tools

10-32 Corrosion-Resistant 18-8 Stainless Steel Thin-Profile Nylon-Insert Locknuts, 10PK

Zoro # G222854822
Mfr # X1E-FAS-NUT-LOC-3718x10
product price:  $3.29
/pk 10, $0.33/ea
X1 Tools 1/4-28 Ultra Hi Performance Black-Oxide Steel Nylon-Insert Locknuts, 6PK X1E-FAS-NUT-LOC-1212x6
X1 Tools

1/4-28 Ultra Hi Performance Black-Oxide Steel Nylon-Insert Locknuts, 6PK

Zoro # G522846299
Mfr # X1E-FAS-NUT-LOC-1212x6
product price:  $4.15
/pk 6, $0.69/ea
Lock Nuts (10,000+ items) - Page 209
  • First
  • Previous
  • 209
    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 locknutlock nut nylon insertlock nut 5/16-183/8-16 nuts stainless steelnylon-insert locknuts
5/16-18 stainless steel boltdistorted thread lock nutserrated flange lock nutnylon insert flange nut3/8" flange 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