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 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 19

Newport Fasteners Nylon Insert Lock Nut, 1-1/8"-12, Steel, Grade A, Zinc Plated, 10 PK 988526-PR-10
Newport Fasteners

Nylon Insert Lock Nut, 1-1/8"-12, Steel, Grade A, Zinc Plated, 10 PK

Zoro # G806331558
Mfr # 988526-PR-10
product price:  $129.99
/pk 10, $13.00/ea
X1 Tools 3/4-10 Corrosion-Resistant 18-8 Stainless Steel Thin-Profile Nylon-Insert Locknuts, 2PK X1E-FAS-NUT-LOC-3746x2
X1 Tools

3/4-10 Corrosion-Resistant 18-8 Stainless Steel Thin-Profile Nylon-Insert Locknuts, 2PK

Zoro # G922863162
Mfr # X1E-FAS-NUT-LOC-3746x2
product price:  $40.59
/pk 2, $20.30/ea
Zoro Select Self Clinching Lock Nut, 1/4"-20, Steel, Zinc Plated, 6000 PK 14-0NCL
Zoro Select

Self Clinching Lock Nut, 1/4"-20, Steel, Zinc Plated, 6000 PK

Zoro # G2437615
Mfr # 14-0NCL
product price:  $1,160.99
/pk 6000, $0.19/ea
Erickson Locknut/Stopscrew, ASSY/180DBLEAngle/0 LNA184M
Erickson

Locknut/Stopscrew, ASSY/180DBLEAngle/0

Zoro # G3587821
Mfr # LNA184M
product price:  $74.39
/ea
Oxoxo M3-0.50 Din 985 Metric Class 10 Nylon Insert Hex Locknut Zinc, 2500PK 627655
Oxoxo

M3-0.50 Din 985 Metric Class 10 Nylon Insert Hex Locknut Zinc, 2500PK

Zoro # G122698977
Mfr # 627655
product price:  $138.99
/pk 2500, $0.06/ea
Boltsandnuts.Com Nylon Insert Lock Nut, M16-2.0, Class 10, Zinc Yellow, 10 PK M16CNFN10Y-10
Boltsandnuts.Com

Nylon Insert Lock Nut, M16-2.0, Class 10, Zinc Yellow, 10 PK

Zoro # G914504691
Mfr # M16CNFN10Y-10
product price:  $35.25
/pk 10, $3.53/ea
X1 Tools 5/8-18 Hi-Performance Zinc-Plated Steel Nylon-Insert Locknuts, 8PK X1E-FAS-NUT-LOC-1623x8
X1 Tools

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

Zoro # G322844457
Mfr # X1E-FAS-NUT-LOC-1623x8
product price:  $17.59
/pk 8, $2.20/ea
X1 Tools 3/8-16 Ultra Hi Performance Grade 8 Steel Nylon-Insert Locknuts, 120PK X1E-FAS-NUT-LOC-1418x120
X1 Tools

3/8-16 Ultra Hi Performance Grade 8 Steel Nylon-Insert Locknuts, 120PK

Zoro # G022851786
Mfr # X1E-FAS-NUT-LOC-1418x120
product price:  $68.15
/pk 120, $0.57/ea
X1 Tools 8-32 Corrosion-Resistant 18-8 Stainless Steel Thin-Profile Nylon-Insert Locknuts, 4PK X1E-FAS-NUT-LOC-3714x4
X1 Tools

8-32 Corrosion-Resistant 18-8 Stainless Steel Thin-Profile Nylon-Insert Locknuts, 4PK

Zoro # G522849740
Mfr # X1E-FAS-NUT-LOC-3714x4
product price:  $1.35
/pk 4, $0.34/ea
Sold in mult. of 7 for $9.45
X1 Tools 1 1/2-12 UHP Yellow Zinc Plated Grade 8 Steel Thin-Profile Nylon-Insert Locknuts X1E-FAS-NUT-LOC-3042x1
X1 Tools

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

Zoro # G222849446
Mfr # X1E-FAS-NUT-LOC-3042x1
product price:  $71.85
/ea
X1 Tools 1 1/2-12 Ultra Hi Performance Black-Oxide Steel Nylon-Insert Locknuts, 10PK X1E-FAS-NUT-LOC-1262x10
X1 Tools

1 1/2-12 Ultra Hi Performance Black-Oxide Steel Nylon-Insert Locknuts, 10PK

Zoro # G022846591
Mfr # X1E-FAS-NUT-LOC-1262x10
product price:  $543.99
/pk 10, $54.40/ea
X1 Tools 1 1/4-7 Hi Performance Zinc-Plated Steel Thin-Profile Nylon-Insert Locknuts, 20PK X1E-FAS-NUT-LOC-3326x20
X1 Tools

1 1/4-7 Hi Performance Zinc-Plated Steel Thin-Profile Nylon-Insert Locknuts, 20PK

Zoro # G422865437
Mfr # X1E-FAS-NUT-LOC-3326x20
product price:  $894.99
/pk 20, $44.75/ea
X1 Tools 1-14 Ultra H.P. Yellow Zinc Plated Grade 8 Steel Nylon-Insert Locknuts, 4PK X1E-FAS-NUT-LOC-1050x4
X1 Tools

1-14 Ultra H.P. Yellow Zinc Plated Grade 8 Steel Nylon-Insert Locknuts, 4PK

Zoro # G022844290
Mfr # X1E-FAS-NUT-LOC-1050x4
product price:  $34.99
/pk 4, $8.75/ea
X1 Tools 3/4-16 Hi Performance Zinc-Plated Steel Thin-Profile Nylon-Insert Locknuts, 100PK X1E-FAS-NUT-LOC-3316x100
X1 Tools

3/4-16 Hi Performance Zinc-Plated Steel Thin-Profile Nylon-Insert Locknuts, 100PK

Zoro # G122854762
Mfr # X1E-FAS-NUT-LOC-3316x100
product price:  $230.99
/pk 100, $2.31/ea
X1 Tools 2-4 1/2 Ultra H.P. Yellow Zinc Plated Grade 8 Steel Nylon-Insert Locknuts, 2PK X1E-FAS-NUT-LOC-1074x2
X1 Tools

2-4 1/2 Ultra H.P. Yellow Zinc Plated Grade 8 Steel Nylon-Insert Locknuts, 2PK

Zoro # G622848537
Mfr # X1E-FAS-NUT-LOC-1074x2
product price:  $297.99
/pk 2, $149.00/ea
Zoro Select Lock Nut, 3/8"-16, Steel, Wax, 250 PK 37NXL
Zoro Select

Lock Nut, 3/8"-16, Steel, Wax, 250 PK

Zoro # G2454223
Mfr # 37NXL
product price:  $251.99
/pk 250, $1.01/ea
X1 Tools 7/16-20 UHP Yellow Zinc Plated Grade 8 Steel Thin-Profile Nylon-Insert Locknuts, 12PK X1E-FAS-NUT-LOC-3024x12
X1 Tools

7/16-20 UHP Yellow Zinc Plated Grade 8 Steel Thin-Profile Nylon-Insert Locknuts, 12PK

Zoro # G322857334
Mfr # X1E-FAS-NUT-LOC-3024x12
product price:  $15.89
/pk 12, $1.32/ea
Newport Fasteners Nylon Insert Lock Nut, 1/4"-20, Steel, Grade 8, Yellow Zinc, 600 PK 385443
Newport Fasteners

Nylon Insert Lock Nut, 1/4"-20, Steel, Grade 8, Yellow Zinc, 600 PK

Zoro # G006328082
Mfr # 385443
product price:  $137.99
/pk 600, $0.23/ea
X1 Tools 1 1/2-6 Hi-Performance Zinc-Plated Steel Nylon-Insert Locknuts, 10PK X1E-FAS-NUT-LOC-1632x10
X1 Tools

1 1/2-6 Hi-Performance Zinc-Plated Steel Nylon-Insert Locknuts, 10PK

Zoro # G022850765
Mfr # X1E-FAS-NUT-LOC-1632x10
product price:  $320.99
/pk 10, $32.10/ea
Zoro Select Lock Nut, #4-40, Nylon, Zinc Plated, 0.081 in Ht, 4000 PK 04NST
Zoro Select

Lock Nut, #4-40, Nylon, Zinc Plated, 0.081 in Ht, 4000 PK

Zoro # G2451003
Mfr # 04NST
product price:  $246.99
/pk 4000, $0.06/ea
X1 Tools 5/8-18 Performance Zinc-Plated Steel Nylon-Insert Locknuts, 8PK X1E-FAS-NUT-LOC-1954x8
X1 Tools

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

Zoro # G722852366
Mfr # X1E-FAS-NUT-LOC-1954x8
product price:  $15.49
/pk 8, $1.94/ea
X1 Tools M5 x 0.8 mm UHP Black-Corrosion-Resistant-Coated Steel Nylon-Insert Locknuts, 25PK X1E-FAS-NUT-LOC-1312x25
X1 Tools

M5 x 0.8 mm UHP Black-Corrosion-Resistant-Coated Steel Nylon-Insert Locknuts, 25PK

Zoro # G122847443
Mfr # X1E-FAS-NUT-LOC-1312x25
product price:  $123.99
/pk 25, $4.96/ea
Newport Fasteners Nylon Insert Lock Nut, 5/8"-11, Steel, Grade A, Zinc Plated, 500 PK 888572-BR-500
Newport Fasteners

Nylon Insert Lock Nut, 5/8"-11, Steel, Grade A, Zinc Plated, 500 PK

Zoro # G806331718
Mfr # 888572-BR-500
product price:  $287.99
/pk 500, $0.58/ea
X1 Tools 1/4-28 UHP Yellow Zinc Plated Grade 8 Steel Thin-Profile Nylon-Insert Locknuts, 20PK X1E-FAS-NUT-LOC-3012x20
X1 Tools

1/4-28 UHP Yellow Zinc Plated Grade 8 Steel Thin-Profile Nylon-Insert Locknuts, 20PK

Zoro # G522858384
Mfr # X1E-FAS-NUT-LOC-3012x20
product price:  $37.69
/pk 20, $1.88/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
X1 Tools 10-24 Performance Black-Corrosion-Resistant-Coated Steel Nylon-Insert Locknuts, 6PK X1E-FAS-NUT-LOC-2014x6
X1 Tools

10-24 Performance Black-Corrosion-Resistant-Coated Steel Nylon-Insert Locknuts, 6PK

Zoro # G922856775
Mfr # X1E-FAS-NUT-LOC-2014x6
product price:  $29.15
/pk 6, $4.86/ea
X1 Tools 6-32 Performance Black-Corrosion-Resistant-Coated Steel Thin-Profile Nylon-Insert Locknuts, 100PK X1E-FAS-NUT-LOC-3610x100
X1 Tools

6-32 Performance Black-Corrosion-Resistant-Coated Steel Thin-Profile Nylon-Insert Locknuts, 100PK

Zoro # G322856993
Mfr # X1E-FAS-NUT-LOC-3610x100
product price:  $344.99
/pk 100, $3.45/ea
X1 Tools 1/2-13 Corrosion-Resistant 18-8 Stainless Steel Thin-Profile Nylon-Insert Locknuts, 150PK X1E-FAS-NUT-LOC-3736x150
X1 Tools

1/2-13 Corrosion-Resistant 18-8 Stainless Steel Thin-Profile Nylon-Insert Locknuts, 150PK

Zoro # G222861004
Mfr # X1E-FAS-NUT-LOC-3736x150
product price:  $222.99
/pk 150, $1.49/ea
X1 Tools 5/16-24 Corrosion-Resistant 316 Stainless Steel Thin-Profile Nylon-Insert Locknuts X1E-FAS-NUT-LOC-3920x1
X1 Tools

5/16-24 Corrosion-Resistant 316 Stainless Steel Thin-Profile Nylon-Insert Locknuts

Zoro # G922851336
Mfr # X1E-FAS-NUT-LOC-3920x1
product price:  $1.65
/ea
Sold in mult. of 6 for $9.90
X1 Tools 1 1/4-12 Ultra Hi Performance Black-Oxide Steel Nylon-Insert Locknuts, 250PK X1E-FAS-NUT-LOC-1256x250
X1 Tools

1 1/4-12 Ultra Hi Performance Black-Oxide Steel Nylon-Insert Locknuts, 250PK

Zoro # G022845952
Mfr # X1E-FAS-NUT-LOC-1256x250
product price:  $11,283.99
/pk 250, $45.14/ea
Oxoxo 10-24-1 Self Clinching Nut 303 Stainless Steel, 5000PK 304571
Oxoxo

10-24-1 Self Clinching Nut 303 Stainless Steel, 5000PK

Zoro # G822691650
Mfr # 304571
product price:  $4,069.99
/pk 5000, $0.81/ea
Newport Fasteners Lock Nut, 1/2"-13, Steel, Black Zinc, 0.425 in Ht, 1000 PK 840784
Newport Fasteners

Lock Nut, 1/2"-13, Steel, Black Zinc, 0.425 in Ht, 1000 PK

Zoro # G206329810
Mfr # 840784
product price:  $1,263.99
/pk 1000, $1.26/ea
Erickson Locknut/Stopscrew, 180DA/01 STYLE/HEX LN181
Erickson

Locknut/Stopscrew, 180DA/01 STYLE/HEX

Zoro # G3587130
Mfr # LN181
product price:  $45.99
/ea
X1 Tools M8 x 1.25 mm Performance Zinc-Plated Steel Nylon-Insert Locknuts, 10PK X1E-FAS-NUT-LOC-1978x10
X1 Tools

M8 x 1.25 mm Performance Zinc-Plated Steel Nylon-Insert Locknuts, 10PK

Zoro # G322849599
Mfr # X1E-FAS-NUT-LOC-1978x10
product price:  $3.45
/pk 10, $0.35/ea
Sold in mult. of 3 for $10.35
X1 Tools 10-32 Corrosion-Resistant 316 Stainless Steel Nylon-Insert Locknuts, 200PK X1E-FAS-NUT-LOC-2320x200
X1 Tools

10-32 Corrosion-Resistant 316 Stainless Steel Nylon-Insert Locknuts, 200PK

Zoro # G422846313
Mfr # X1E-FAS-NUT-LOC-2320x200
product price:  $58.15
/pk 200, $0.29/ea
X1 Tools 1/2-13 Hi-Performance Black-Oxide Steel Nylon-Insert Locknuts X1E-FAS-NUT-LOC-1726x1
X1 Tools

1/2-13 Hi-Performance Black-Oxide Steel Nylon-Insert Locknuts

Zoro # G122847740
Mfr # X1E-FAS-NUT-LOC-1726x1
product price:  $1.49
/ea
Sold in mult. of 6 for $8.94
Lock Nuts (10,000+ items) - Page 19
  • First
  • Previous
  • 19
    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 ScrewsMachine ScrewsSocket Head Cap ScrewsLock WashersSelf-Tapping Screws
1/2" flange lock nut3/8-16 nuts stainless steellock nut 5/16-181/4" locking nutnylon insert hex nut
5/16-24 nutsnylon-insert locknutsn-10 lock nut5/16-18 nylon locking nut10mm 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