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 99

X1 Tools 10-24 Corrosion-Resistant 316 Stainless Steel Nylon-Insert Locknuts, 12PK X1E-FAS-NUT-LOC-2318x12
X1 Tools

10-24 Corrosion-Resistant 316 Stainless Steel Nylon-Insert Locknuts, 12PK

Zoro # G522863890
Mfr # X1E-FAS-NUT-LOC-2318x12
product price:  $4.45
/pk 12, $0.37/ea
X1 Tools 3/8-16 Corrosion-Resistant 316 Stainless Steel Thin-Profile Nylon-Insert Locknuts, 500PK X1E-FAS-NUT-LOC-3922x500
X1 Tools

3/8-16 Corrosion-Resistant 316 Stainless Steel Thin-Profile Nylon-Insert Locknuts, 500PK

Zoro # G422862825
Mfr # X1E-FAS-NUT-LOC-3922x500
product price:  $595.99
/pk 500, $1.19/ea
X1 Tools 1/2-13 Corrosion-Resistant 18-8 Stainless Steel Nylon-Insert Locknuts, 50PK X1E-FAS-NUT-LOC-2133x50
X1 Tools

1/2-13 Corrosion-Resistant 18-8 Stainless Steel Nylon-Insert Locknuts, 50PK

Zoro # G722860842
Mfr # X1E-FAS-NUT-LOC-2133x50
product price:  $77.89
/pk 50, $1.56/ea
X1 Tools 5/16-24 Corrosion-Resistant 316 Stainless Steel Thin-Profile Nylon-Insert Locknuts, 50PK X1E-FAS-NUT-LOC-3920x50
X1 Tools

5/16-24 Corrosion-Resistant 316 Stainless Steel Thin-Profile Nylon-Insert Locknuts, 50PK

Zoro # G822850989
Mfr # X1E-FAS-NUT-LOC-3920x50
product price:  $50.89
/pk 50, $1.02/ea
Oxoxo 1/4-20 Serrated Flange Hex Lock Nuts Case Hardened HR15N 78/90 Zinc Yellow and Bake, 2000PK 414319
Oxoxo

1/4-20 Serrated Flange Hex Lock Nuts Case Hardened HR15N 78/90 Zinc Yellow and Bake, 2000PK

Zoro # G322680338
Mfr # 414319
product price:  $200.99
/pk 2000, $0.10/ea
Oxoxo 1 1/2-12 N1610 Nylon Insert Hex Locknut NE Hex Standard Height Grade 8 Zinc Yellow, 2PK 277822
Oxoxo

1 1/2-12 N1610 Nylon Insert Hex Locknut NE Hex Standard Height Grade 8 Zinc Yellow, 2PK

Zoro # G722663092
Mfr # 277822
product price:  $59.59
/pk 2, $29.80/ea
X1 Tools 4-40 Black-Oxide Corrosion-Resistant 18-8 Stainless Steel Thin-Profile Nylon-Insert Locknuts, 25PK X1E-FAS-NUT-LOC-3810x25
X1 Tools

4-40 Black-Oxide Corrosion-Resistant 18-8 Stainless Steel Thin-Profile Nylon-Insert Locknuts, 25PK

Zoro # G422850969
Mfr # X1E-FAS-NUT-LOC-3810x25
product price:  $13.99
/pk 25, $0.56/ea
X1 Tools 2-56 Performance Zinc-Plated Steel Thin-Profile Nylon-Insert Locknuts, 100PK X1E-FAS-NUT-LOC-3410x100
X1 Tools

2-56 Performance Zinc-Plated Steel Thin-Profile Nylon-Insert Locknuts, 100PK

Zoro # G322864110
Mfr # X1E-FAS-NUT-LOC-3410x100
product price:  $51.15
/pk 100, $0.51/ea
No Product Image Available
Zoro Select

Lock Nut, Steel, PK15

Zoro # G822963726
Mfr # FLHN006007-015P
product price:  $13.79
/pk 15, $0.92/ea
Newport Fasteners Nylon Insert Lock Nut, 1-1/8"-7, Steel, Grade A, Zinc Plated, 60 PK 320987-BR-60
Newport Fasteners

Nylon Insert Lock Nut, 1-1/8"-7, Steel, Grade A, Zinc Plated, 60 PK

Zoro # G706327613
Mfr # 320987-BR-60
product price:  $453.99
/pk 60, $7.57/ea
X1 Tools 1/4-20 UHP Yellow Zinc Plated Grade 8 Steel Thin-Profile Nylon-Insert Locknuts, 20PK X1E-FAS-NUT-LOC-3010x20
X1 Tools

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

Zoro # G022857061
Mfr # X1E-FAS-NUT-LOC-3010x20
product price:  $5.75
/pk 20, $0.29/ea
X1 Tools 1/2-13 UHP Black-Oxide Grade 8 Steel Thin-Profile Nylon-Insert Locknuts, 500PK X1E-FAS-NUT-LOC-3224x500
X1 Tools

1/2-13 UHP Black-Oxide Grade 8 Steel Thin-Profile Nylon-Insert Locknuts, 500PK

Zoro # G522863166
Mfr # X1E-FAS-NUT-LOC-3224x500
product price:  $1,846.99
/pk 500, $3.69/ea
X1 Tools 8-32 Performance Zinc-Plated Steel Thin-Profile Nylon-Insert Locknuts, 50PK X1E-FAS-NUT-LOC-3418x50
X1 Tools

8-32 Performance Zinc-Plated Steel Thin-Profile Nylon-Insert Locknuts, 50PK

Zoro # G122865966
Mfr # X1E-FAS-NUT-LOC-3418x50
product price:  $5.85
/pk 50, $0.12/ea
X1 Tools 10-32 Black-Oxide C.R. 18-8 Stainless Steel Nylon-Insert Locknuts, 20PK X1E-FAS-NUT-LOC-2228x20
X1 Tools

10-32 Black-Oxide C.R. 18-8 Stainless Steel Nylon-Insert Locknuts, 20PK

Zoro # G722856395
Mfr # X1E-FAS-NUT-LOC-2228x20
product price:  $25.95
/pk 20, $1.30/ea
X1 Tools 1/4-20 Corrosion-Resistant 18-8 Stainless Steel Thin-Profile Nylon-Insert Locknuts, 100PK X1E-FAS-NUT-LOC-3720x100
X1 Tools

1/4-20 Corrosion-Resistant 18-8 Stainless Steel Thin-Profile Nylon-Insert Locknuts, 100PK

Zoro # G122850597
Mfr # X1E-FAS-NUT-LOC-3720x100
product price:  $34.19
/pk 100, $0.34/ea
X1 Tools 1/2-13 UHP Yellow Zinc Plated Grade 8 Steel Thin-Profile Nylon-Insert Locknuts, 12PK X1E-FAS-NUT-LOC-3026x12
X1 Tools

1/2-13 UHP Yellow Zinc Plated Grade 8 Steel Thin-Profile Nylon-Insert Locknuts, 12PK

Zoro # G922862714
Mfr # X1E-FAS-NUT-LOC-3026x12
product price:  $22.25
/pk 12, $1.85/ea
Oxoxo 1 1/8-7 NE Nylon Insert Hex Lock Nut Zinc, 18PK 152127
Oxoxo

1 1/8-7 NE Nylon Insert Hex Lock Nut Zinc, 18PK

Zoro # G222677902
Mfr # 152127
product price:  $158.99
/pk 18, $8.83/ea
X1 Tools 1/2-13 Ultra H.P. Yellow Zinc Plated Grade 8 Steel Nylon-Insert Locknuts, 250PK X1E-FAS-NUT-LOC-1026x250
X1 Tools

1/2-13 Ultra H.P. Yellow Zinc Plated Grade 8 Steel Nylon-Insert Locknuts, 250PK

Zoro # G622844621
Mfr # X1E-FAS-NUT-LOC-1026x250
product price:  $348.99
/pk 250, $1.40/ea
X1 Tools 5/8-11 Hi-Performance Zinc-Plated Steel Nylon-Insert Locknuts, 250PK X1E-FAS-NUT-LOC-1622x250
X1 Tools

5/8-11 Hi-Performance Zinc-Plated Steel Nylon-Insert Locknuts, 250PK

Zoro # G022852141
Mfr # X1E-FAS-NUT-LOC-1622x250
product price:  $567.99
/pk 250, $2.27/ea
Newport Fasteners Nylon Insert Lock Nut, 5/8"-18, Steel, Grade A, Zinc Plated, 50 PK 167159-PR-50
Newport Fasteners

Nylon Insert Lock Nut, 5/8"-18, Steel, Grade A, Zinc Plated, 50 PK

Zoro # G206327946
Mfr # 167159-PR-50
product price:  $115.99
/pk 50, $2.32/ea
X1 Tools 1/2-20 Ultra H.P. Yellow Zinc Plated Grade 8 Steel Nylon-Insert Locknuts, 400PK X1E-FAS-NUT-LOC-1028x400
X1 Tools

1/2-20 Ultra H.P. Yellow Zinc Plated Grade 8 Steel Nylon-Insert Locknuts, 400PK

Zoro # G722847560
Mfr # X1E-FAS-NUT-LOC-1028x400
product price:  $822.99
/pk 400, $2.06/ea
X1 Tools 7/8-9 Corrosion-Resistant 18-8 Stainless Steel Nylon-Insert Locknuts, 8PK X1E-FAS-NUT-LOC-2141x8
X1 Tools

7/8-9 Corrosion-Resistant 18-8 Stainless Steel Nylon-Insert Locknuts, 8PK

Zoro # G122851211
Mfr # X1E-FAS-NUT-LOC-2141x8
product price:  $78.99
/pk 8, $9.87/ea
X1 Tools 1/2-20 Black-Oxide C.R. 18-8 Stainless Steel Nylon-Insert Locknuts, 100PK X1E-FAS-NUT-LOC-2250x100
X1 Tools

1/2-20 Black-Oxide C.R. 18-8 Stainless Steel Nylon-Insert Locknuts, 100PK

Zoro # G722847355
Mfr # X1E-FAS-NUT-LOC-2250x100
product price:  $588.99
/pk 100, $5.89/ea
X1 Tools 1/2-13 Black-Oxide C.R. 18-8 Stainless Steel Nylon-Insert Locknuts, 20PK X1E-FAS-NUT-LOC-2248x20
X1 Tools

1/2-13 Black-Oxide C.R. 18-8 Stainless Steel Nylon-Insert Locknuts, 20PK

Zoro # G422857692
Mfr # X1E-FAS-NUT-LOC-2248x20
product price:  $66.29
/pk 20, $3.31/ea
X1 Tools 5/8-18 Performance Zinc-Plated Steel Nylon-Insert Locknuts, 120PK X1E-FAS-NUT-LOC-1954x120
X1 Tools

5/8-18 Performance Zinc-Plated Steel Nylon-Insert Locknuts, 120PK

Zoro # G622852411
Mfr # X1E-FAS-NUT-LOC-1954x120
product price:  $148.99
/pk 120, $1.24/ea
Oxoxo 1 1/8-12 N1610 Nylon Insert Hex Locknut NE Hex Standard Height Grade 8 Zinc Yellow, 8PK 277749
Oxoxo

1 1/8-12 N1610 Nylon Insert Hex Locknut NE Hex Standard Height Grade 8 Zinc Yellow, 8PK

Zoro # G722673909
Mfr # 277749
product price:  $108.99
/pk 8, $13.62/ea
X1 Tools 3/8-24 Performance Zinc-Plated Steel Thin-Profile Nylon-Insert Locknuts, 150PK X1E-FAS-NUT-LOC-3436x150
X1 Tools

3/8-24 Performance Zinc-Plated Steel Thin-Profile Nylon-Insert Locknuts, 150PK

Zoro # G022864199
Mfr # X1E-FAS-NUT-LOC-3436x150
product price:  $38.55
/pk 150, $0.26/ea
Oxoxo 1/4-20 Serrated Flange Hex Lock Nuts Case Hardened HR15N 78/90 Black Oxide, 2000PK 358741
Oxoxo

1/4-20 Serrated Flange Hex Lock Nuts Case Hardened HR15N 78/90 Black Oxide, 2000PK

Zoro # G222689608
Mfr # 358741
product price:  $155.99
/pk 2000, $0.08/ea
X1 Tools 6-32 Corrosion-Resistant 18-8 Stainless Steel Thin-Profile Nylon-Insert Locknuts, 8PK X1E-FAS-NUT-LOC-3712x8
X1 Tools

6-32 Corrosion-Resistant 18-8 Stainless Steel Thin-Profile Nylon-Insert Locknuts, 8PK

Zoro # G022847789
Mfr # X1E-FAS-NUT-LOC-3712x8
product price:  $2.69
/pk 8, $0.34/ea
X1 Tools 10-24 Black-Oxide C.R. 18-8 Stainless Steel Nylon-Insert Locknuts, 150PK X1E-FAS-NUT-LOC-2226x150
X1 Tools

10-24 Black-Oxide C.R. 18-8 Stainless Steel Nylon-Insert Locknuts, 150PK

Zoro # G022846072
Mfr # X1E-FAS-NUT-LOC-2226x150
product price:  $53.19
/pk 150, $0.35/ea
X1 Tools 3/4-16 Hi-Performance Zinc-Plated Steel Nylon-Insert Locknuts, 15PK X1E-FAS-NUT-LOC-1625x15
X1 Tools

3/4-16 Hi-Performance Zinc-Plated Steel Nylon-Insert Locknuts, 15PK

Zoro # G822855304
Mfr # X1E-FAS-NUT-LOC-1625x15
product price:  $33.75
/pk 15, $2.25/ea
X1 Tools 1 1/4-7 Corrosion-Resistant 18-8 Stainless Steel Nylon-Insert Locknuts, 50PK X1E-FAS-NUT-LOC-2147x50
X1 Tools

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

Zoro # G522858445
Mfr # X1E-FAS-NUT-LOC-2147x50
product price:  $1,976.99
/pk 50, $39.54/ea
X1 Tools 5/8-18 Hi Performance Zinc-Plated Steel Thin-Profile Nylon-Insert Locknuts, 20PK X1E-FAS-NUT-LOC-3312x20
X1 Tools

5/8-18 Hi Performance Zinc-Plated Steel Thin-Profile Nylon-Insert Locknuts, 20PK

Zoro # G322855637
Mfr # X1E-FAS-NUT-LOC-3312x20
product price:  $175.99
/pk 20, $8.80/ea
X1 Tools 3/8-16 Performance Black-Corrosion-Resistant-Coated Steel Nylon-Insert Locknuts, 150PK X1E-FAS-NUT-LOC-2022x150
X1 Tools

3/8-16 Performance Black-Corrosion-Resistant-Coated Steel Nylon-Insert Locknuts, 150PK

Zoro # G822861626
Mfr # X1E-FAS-NUT-LOC-2022x150
product price:  $626.99
/pk 150, $4.18/ea
X1 Tools 4-40 Corrosion-Resistant 18-8 Stainless Steel Thin-Profile Nylon-Insert Locknuts, 15PK X1E-FAS-NUT-LOC-3710x15
X1 Tools

4-40 Corrosion-Resistant 18-8 Stainless Steel Thin-Profile Nylon-Insert Locknuts, 15PK

Zoro # G922851466
Mfr # X1E-FAS-NUT-LOC-3710x15
product price:  $4.55
/pk 15, $0.30/ea
X1 Tools M27 x 2 mm Hi-Performance Zinc-Plated Steel Nylon-Insert Locknuts, 8PK X1E-FAS-NUT-LOC-1664x8
X1 Tools

M27 x 2 mm Hi-Performance Zinc-Plated Steel Nylon-Insert Locknuts, 8PK

Zoro # G822866935
Mfr # X1E-FAS-NUT-LOC-1664x8
product price:  $230.99
/pk 8, $28.87/ea
Lock Nuts (10,000+ items) - Page 99
  • First
  • Previous
  • 99
    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
n-10 lock nutlock nut 5/16-18flanged locknutlock nut nylon insert5/16-18 stainless steel bolt
serrated flange lock nut3/8-16 nuts stainless steel5/16-24 nuts1/4-20 stainless steel 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