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 235

Oxoxo 12-24-1 Self Clinching Nut Zinc, 6000PK 528256
Oxoxo

12-24-1 Self Clinching Nut Zinc, 6000PK

Zoro # G522684136
Mfr # 528256
product price:  $1,054.99
/pk 6000, $0.18/ea
X1 Tools 3/4-10 Corrosion-Resistant 316 Stainless Steel Nylon-Insert Locknuts, 120PK X1E-FAS-NUT-LOC-2352x120
X1 Tools

3/4-10 Corrosion-Resistant 316 Stainless Steel Nylon-Insert Locknuts, 120PK

Zoro # G722866448
Mfr # X1E-FAS-NUT-LOC-2352x120
product price:  $590.99
/pk 120, $4.92/ea
X1 Tools 5/8-18 Hi Performance Zinc-Plated Steel Thin-Profile Nylon-Insert Locknuts, 200PK X1E-FAS-NUT-LOC-3312x200
X1 Tools

5/8-18 Hi Performance Zinc-Plated Steel Thin-Profile Nylon-Insert Locknuts, 200PK

Zoro # G022845358
Mfr # X1E-FAS-NUT-LOC-3312x200
product price:  $1,638.99
/pk 200, $8.19/ea
X1 Tools 10-24 Performance Black-Corrosion-Resistant-Coated Steel Thin-Profile Nylon-Insert Locknuts, 12PK X1E-FAS-NUT-LOC-3614x12
X1 Tools

10-24 Performance Black-Corrosion-Resistant-Coated Steel Thin-Profile Nylon-Insert Locknuts, 12PK

Zoro # G422856664
Mfr # X1E-FAS-NUT-LOC-3614x12
product price:  $49.79
/pk 12, $4.15/ea
No Product Image Available
Zoro Select

Lock Nut, Steel, 9/64", PK5

Zoro # G322961949
Mfr # FLJNFI062CAD-005P
product price:  $22.39
/pk 5, $4.48/ea
X1 Tools 1 1/8-7 Hi-Performance Zinc-Plated Steel Nylon-Insert Locknuts, 1000PK X1E-FAS-NUT-LOC-1630x1000
X1 Tools

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

Zoro # G122863894
Mfr # X1E-FAS-NUT-LOC-1630x1000
product price:  $11,777.99
/pk 1000, $11.78/ea
X1 Tools M5 x 0.8 mm Performance Zinc-Plated Steel Thin-Profile Nylon-Insert Locknuts, 12PK X1E-FAS-NUT-LOC-3480x12
X1 Tools

M5 x 0.8 mm Performance Zinc-Plated Steel Thin-Profile Nylon-Insert Locknuts, 12PK

Zoro # G422848119
Mfr # X1E-FAS-NUT-LOC-3480x12
product price:  $14.99
/pk 12, $1.25/ea
X1 Tools 1/2-13 UHP Black-Oxide Grade 8 Steel Thin-Profile Nylon-Insert Locknuts X1E-FAS-NUT-LOC-3224x1
X1 Tools

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

Zoro # G022867213
Mfr # X1E-FAS-NUT-LOC-3224x1
product price:  $4.69
/ea
X1 Tools 7/16-14 Ultra H.P. Yellow Zinc Plated Grade 8 Steel Nylon-Insert Locknuts, 50PK X1E-FAS-NUT-LOC-1022x50
X1 Tools

7/16-14 Ultra H.P. Yellow Zinc Plated Grade 8 Steel Nylon-Insert Locknuts, 50PK

Zoro # G422846801
Mfr # X1E-FAS-NUT-LOC-1022x50
product price:  $61.39
/pk 50, $1.23/ea
X1 Tools 1/4-28 Corrosion-Resistant 18-8 Stainless Steel Thin-Profile Nylon-Insert Locknuts, 50PK X1E-FAS-NUT-LOC-3722x50
X1 Tools

1/4-28 Corrosion-Resistant 18-8 Stainless Steel Thin-Profile Nylon-Insert Locknuts, 50PK

Zoro # G222862124
Mfr # X1E-FAS-NUT-LOC-3722x50
product price:  $20.85
/pk 50, $0.42/ea
Oxoxo 7/16-14 Stover Alternative Lock Nut Automation Style With Flange Grade G Black Phosphate, 950PK 249454
Oxoxo

7/16-14 Stover Alternative Lock Nut Automation Style With Flange Grade G Black Phosphate, 950PK

Zoro # G322688181
Mfr # 249454
product price:  $542.99
/pk 950, $0.57/ea
X1 Tools 10-32 Performance Black-Corrosion-Resistant-Coated Steel Thin-Profile Nylon-Insert Locknuts, 6PK X1E-FAS-NUT-LOC-3616x6
X1 Tools

10-32 Performance Black-Corrosion-Resistant-Coated Steel Thin-Profile Nylon-Insert Locknuts, 6PK

Zoro # G722849014
Mfr # X1E-FAS-NUT-LOC-3616x6
product price:  $31.39
/pk 6, $5.23/ea
X1 Tools 3/4-16 UHP Yellow Zinc Plated Grade 8 Steel Thin-Profile Nylon-Insert Locknuts, 8PK X1E-FAS-NUT-LOC-3034x8
X1 Tools

3/4-16 UHP Yellow Zinc Plated Grade 8 Steel Thin-Profile Nylon-Insert Locknuts, 8PK

Zoro # G522848507
Mfr # X1E-FAS-NUT-LOC-3034x8
product price:  $62.75
/pk 8, $7.84/ea
X1 Tools 5/16-18 Performance Black-Corrosion-Resistant-Coated Steel Thin-Profile Nylon-Insert Locknuts, 75PK X1E-FAS-NUT-LOC-3620x75
X1 Tools

5/16-18 Performance Black-Corrosion-Resistant-Coated Steel Thin-Profile Nylon-Insert Locknuts, 75PK

Zoro # G322854654
Mfr # X1E-FAS-NUT-LOC-3620x75
product price:  $313.99
/pk 75, $4.19/ea
X1 Tools 1-14 Ultra H.P. Yellow Zinc Plated Grade 8 Steel Nylon-Insert Locknuts, 6PK X1E-FAS-NUT-LOC-1050x6
X1 Tools

1-14 Ultra H.P. Yellow Zinc Plated Grade 8 Steel Nylon-Insert Locknuts, 6PK

Zoro # G322844280
Mfr # X1E-FAS-NUT-LOC-1050x6
product price:  $47.95
/pk 6, $7.99/ea
X1 Tools M16 x 2 mm Performance Zinc-Plated Steel Nylon-Insert Locknuts, 25PK X1E-FAS-NUT-LOC-1986x25
X1 Tools

M16 x 2 mm Performance Zinc-Plated Steel Nylon-Insert Locknuts, 25PK

Zoro # G122847795
Mfr # X1E-FAS-NUT-LOC-1986x25
product price:  $41.29
/pk 25, $1.65/ea
Newport Fasteners Nylon Insert Lock Nut, 1/2"-13, 316 Stainless Steel, Not Graded, 1250 PK 480081-BR-1250
Newport Fasteners

Nylon Insert Lock Nut, 1/2"-13, 316 Stainless Steel, Not Graded, 1250 PK

Zoro # G306328126
Mfr # 480081-BR-1250
product price:  $1,652.99
/pk 1250, $1.32/ea
Newport Fasteners Nylon Insert Lock Nut, 1-1/4"-7, Steel, Grade A, Zinc Plated, 10 PK 133937-PR-10
Newport Fasteners

Nylon Insert Lock Nut, 1-1/4"-7, Steel, Grade A, Zinc Plated, 10 PK

Zoro # G206327700
Mfr # 133937-PR-10
product price:  $284.99
/pk 10, $28.50/ea
Zoro Select Lock Nut, 3/4"-10, Nylon, Zinc Plated, 0.742 in Ht, 200 PK 75NST
Zoro Select

Lock Nut, 3/4"-10, Nylon, Zinc Plated, 0.742 in Ht, 200 PK

Zoro # G2451292
Mfr # 75NST
product price:  $176.99
/pk 200, $0.88/ea
X1 Tools 1-8 Corrosion-Resistant 18-8 Stainless Steel Nylon-Insert Locknuts, 400PK X1E-FAS-NUT-LOC-2143x400
X1 Tools

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

Zoro # G922848930
Mfr # X1E-FAS-NUT-LOC-2143x400
product price:  $6,220.99
/pk 400, $15.55/ea
X1 Tools 3/8-16 Performance Black-Corrosion-Resistant-Coated Steel Nylon-Insert Locknuts, 75PK X1E-FAS-NUT-LOC-2022x75
X1 Tools

3/8-16 Performance Black-Corrosion-Resistant-Coated Steel Nylon-Insert Locknuts, 75PK

Zoro # G122852164
Mfr # X1E-FAS-NUT-LOC-2022x75
product price:  $320.99
/pk 75, $4.28/ea
X1 Tools 6-32 Performance Black-Corrosion-Resistant-Coated Steel Thin-Profile Nylon-Insert Locknuts, 500PK X1E-FAS-NUT-LOC-3610x500
X1 Tools

6-32 Performance Black-Corrosion-Resistant-Coated Steel Thin-Profile Nylon-Insert Locknuts, 500PK

Zoro # G322848806
Mfr # X1E-FAS-NUT-LOC-3610x500
product price:  $1,648.99
/pk 500, $3.30/ea
X1 Tools 5/16-18 Black-Oxide 18-8 Stainless Steel Thin-Profile Nylon-Insert Locknuts, 200PK X1E-FAS-NUT-LOC-3822x200
X1 Tools

5/16-18 Black-Oxide 18-8 Stainless Steel Thin-Profile Nylon-Insert Locknuts, 200PK

Zoro # G722854940
Mfr # X1E-FAS-NUT-LOC-3822x200
product price:  $166.99
/pk 200, $0.83/ea
X1 Tools 10-24 Corrosion-Resistant 18-8 Stainless Steel Thin-Profile Nylon-Insert Locknuts, 12PK X1E-FAS-NUT-LOC-3716x12
X1 Tools

10-24 Corrosion-Resistant 18-8 Stainless Steel Thin-Profile Nylon-Insert Locknuts, 12PK

Zoro # G422865918
Mfr # X1E-FAS-NUT-LOC-3716x12
product price:  $3.79
/pk 12, $0.32/ea
Oxoxo 3/4-16 Serrated Flange Hex Lock Nuts Case Hardened HR15N 78/90 Zinc And Bake, 100PK 317113
Oxoxo

3/4-16 Serrated Flange Hex Lock Nuts Case Hardened HR15N 78/90 Zinc And Bake, 100PK

Zoro # G022669206
Mfr # 317113
product price:  $422.99
/pk 100, $4.23/ea
X1 Tools 1/4-28 Performance Zinc-Plated Steel Nylon-Insert Locknuts, 6PK X1E-FAS-NUT-LOC-1930x6
X1 Tools

1/4-28 Performance Zinc-Plated Steel Nylon-Insert Locknuts, 6PK

Zoro # G622851049
Mfr # X1E-FAS-NUT-LOC-1930x6
product price:  $1.35
/pk 6, $0.23/ea
X1 Tools 5/8-11 Ultra H.P. Yellow Zinc Plated Grade 8 Steel Nylon-Insert Locknuts, 75PK X1E-FAS-NUT-LOC-1034x75
X1 Tools

5/8-11 Ultra H.P. Yellow Zinc Plated Grade 8 Steel Nylon-Insert Locknuts, 75PK

Zoro # G722848475
Mfr # X1E-FAS-NUT-LOC-1034x75
product price:  $220.99
/pk 75, $2.95/ea
X1 Tools 1/4-20 Performance Zinc-Plated Steel Thin-Profile Nylon-Insert Locknuts, 15PK X1E-FAS-NUT-LOC-3426x15
X1 Tools

1/4-20 Performance Zinc-Plated Steel Thin-Profile Nylon-Insert Locknuts, 15PK

Zoro # G422849314
Mfr # X1E-FAS-NUT-LOC-3426x15
product price:  $2.75
/pk 15, $0.18/ea
X1 Tools 10-24 Performance Black-Corrosion-Resistant-Coated Steel Thin-Profile Nylon-Insert Locknuts, 4PK X1E-FAS-NUT-LOC-3614x4
X1 Tools

10-24 Performance Black-Corrosion-Resistant-Coated Steel Thin-Profile Nylon-Insert Locknuts, 4PK

Zoro # G522867355
Mfr # X1E-FAS-NUT-LOC-3614x4
product price:  $21.29
/pk 4, $5.32/ea
X1 Tools 1/2-20 Black-Oxide C.R. 18-8 Stainless Steel Nylon-Insert Locknuts, 25PK X1E-FAS-NUT-LOC-2250x25
X1 Tools

1/2-20 Black-Oxide C.R. 18-8 Stainless Steel Nylon-Insert Locknuts, 25PK

Zoro # G122865447
Mfr # X1E-FAS-NUT-LOC-2250x25
product price:  $154.99
/pk 25, $6.20/ea
X1 Tools 5/8-18 Corrosion-Resistant 18-8 Stainless Steel Thin-Profile Nylon-Insert Locknuts, 12PK X1E-FAS-NUT-LOC-3744x12
X1 Tools

5/8-18 Corrosion-Resistant 18-8 Stainless Steel Thin-Profile Nylon-Insert Locknuts, 12PK

Zoro # G522850623
Mfr # X1E-FAS-NUT-LOC-3744x12
product price:  $90.25
/pk 12, $7.52/ea
Oxoxo 1/4-20-2 Self Clinching Nut Zinc, 6000PK 158068
Oxoxo

1/4-20-2 Self Clinching Nut Zinc, 6000PK

Zoro # G022688863
Mfr # 158068
product price:  $1,725.99
/pk 6000, $0.29/ea
X1 Tools 3/8-16 Ultra H.P. Yellow Zinc Plated Grade 8 Steel Nylon-Insert Locknuts, 1000PK X1E-FAS-NUT-LOC-1018x1000
X1 Tools

3/8-16 Ultra H.P. Yellow Zinc Plated Grade 8 Steel Nylon-Insert Locknuts, 1000PK

Zoro # G322844211
Mfr # X1E-FAS-NUT-LOC-1018x1000
product price:  $642.99
/pk 1000, $0.64/ea
X1 Tools 5/16-24 Performance Zinc-Plated Steel Nylon-Insert Locknuts, 4PK X1E-FAS-NUT-LOC-1934x4
X1 Tools

5/16-24 Performance Zinc-Plated Steel Nylon-Insert Locknuts, 4PK

Zoro # G822858008
Mfr # X1E-FAS-NUT-LOC-1934x4
product price:  $1.25
/pk 4, $0.31/ea
X1 Tools M8 x 1.25 mm Performance Zinc-Plated Steel Thin-Profile Nylon-Insert Locknuts, 20PK X1E-FAS-NUT-LOC-3484x20
X1 Tools

M8 x 1.25 mm Performance Zinc-Plated Steel Thin-Profile Nylon-Insert Locknuts, 20PK

Zoro # G322851738
Mfr # X1E-FAS-NUT-LOC-3484x20
product price:  $54.45
/pk 20, $2.72/ea
Zoro Select Lock Nut, 1/4"-20, Steel, Wax, 2000 PK 14NYBZ
Zoro Select

Lock Nut, 1/4"-20, Steel, Wax, 2000 PK

Zoro # G2455249
Mfr # 14NYBZ
product price:  $218.99
/pk 2000, $0.11/ea
Lock Nuts (10,000+ items) - Page 235
  • First
  • Previous
  • 235
    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
lock nut 5/16-185/16-18 stainless steel boltflanged locknut3/8-16 nuts stainless steelnylon insert flange nut
serrated flange lock nut3/8" flange nutsdistorted thread lock nut1/4-20 stainless steel nutnylon-insert locknuts

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