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 home
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 207

X1 Tools 1/2-13 Black-Oxide Corrosion-Resistant 18-8 Stainless Steel Thin-Profile Nylon-Insert Locknuts, 12PK X1E-FAS-NUT-LOC-3828x12
X1 Tools

1/2-13 Black-Oxide Corrosion-Resistant 18-8 Stainless Steel Thin-Profile Nylon-Insert Locknuts, 12PK

Zoro # G622854507
Mfr # X1E-FAS-NUT-LOC-3828x12
product price: 
$39.65
/pk of 12, $3.30/ea
X1 Tools M16 x 2 mm Performance Zinc-Plated Steel Thin-Profile Nylon-Insert Locknuts, 400PK X1E-FAS-NUT-LOC-3492x400
X1 Tools

M16 x 2 mm Performance Zinc-Plated Steel Thin-Profile Nylon-Insert Locknuts, 400PK

Zoro # G222857069
Mfr # X1E-FAS-NUT-LOC-3492x400
product price: 
$2,996.99
/pk of 400, $7.49/ea
X1 Tools 1-14 Performance Zinc-Plated Steel Thin-Profile Nylon-Insert Locknuts, 6PK X1E-FAS-NUT-LOC-3464x6
X1 Tools

1-14 Performance Zinc-Plated Steel Thin-Profile Nylon-Insert Locknuts, 6PK

Zoro # G522853297
Mfr # X1E-FAS-NUT-LOC-3464x6
product price: 
$35.39
/pk of 6, $5.90/ea
X1 Tools 9/16-12 Performance Zinc-Plated Steel Thin-Profile Nylon-Insert Locknuts, 500PK X1E-FAS-NUT-LOC-3446x500
X1 Tools

9/16-12 Performance Zinc-Plated Steel Thin-Profile Nylon-Insert Locknuts, 500PK

Zoro # G322846680
Mfr # X1E-FAS-NUT-LOC-3446x500
product price: 
$253.99
/pk of 500, $0.51/ea
Zoro Select Lock Nut, 7/8"-9, Nylon, Zinc Plated, 0.79 in Ht, 40 PK 87NSH
Zoro Select

Lock Nut, 7/8"-9, Nylon, Zinc Plated, 0.79 in Ht, 40 PK

Zoro # G2451082
Mfr # 87NSH
product price: 
$160.99
/pk of 40, $4.02/ea
X1 Tools 1/4-20 Corrosion-Resistant 18-8 Stainless Steel Nylon-Insert Locknuts, 250PK X1E-FAS-NUT-LOC-2125x250
X1 Tools

1/4-20 Corrosion-Resistant 18-8 Stainless Steel Nylon-Insert Locknuts, 250PK

Zoro # G622845529
Mfr # X1E-FAS-NUT-LOC-2125x250
product price: 
$75.99
/pk of 250, $0.30/ea
X1 Tools 5/16-18 Performance Black-Corrosion-Resistant-Coated Steel Nylon-Ins. Locknuts, 200PK X1E-FAS-NUT-LOC-2020x200
X1 Tools

5/16-18 Performance Black-Corrosion-Resistant-Coated Steel Nylon-Ins. Locknuts, 200PK

Zoro # G922860284
Mfr # X1E-FAS-NUT-LOC-2020x200
product price: 
$790.99
/pk of 200, $3.95/ea
X1 Tools 7/16-14 Corrosion-Resistant 316 Stainless Steel Nylon-Insert Locknuts X1E-FAS-NUT-LOC-2336x1
X1 Tools

7/16-14 Corrosion-Resistant 316 Stainless Steel Nylon-Insert Locknuts

Zoro # G022847710
Mfr # X1E-FAS-NUT-LOC-2336x1
product price: 
$2.15
/ea
Sold in mult. of 5 for $10.75
X1 Tools 10-24 Corrosion-Resistant 18-8 Stainless Steel Thin-Profile Nylon-Insert Locknuts, 4PK X1E-FAS-NUT-LOC-3716x4
X1 Tools

10-24 Corrosion-Resistant 18-8 Stainless Steel Thin-Profile Nylon-Insert Locknuts, 4PK

Zoro # G522864385
Mfr # X1E-FAS-NUT-LOC-3716x4
product price: 
$1.59
/pk of 4, $0.40/ea
Sold in mult. of 6 pks for $9.54
X1 Tools 1 1/8-7 Hi-Performance Zinc-Plated Steel Nylon-Insert Locknuts, 20PK X1E-FAS-NUT-LOC-1630x20
X1 Tools

1 1/8-7 Hi-Performance Zinc-Plated Steel Nylon-Insert Locknuts, 20PK

Zoro # G622844744
Mfr # X1E-FAS-NUT-LOC-1630x20
product price: 
$174.99
/pk of 20, $8.75/ea
X1 Tools 9/16-18 Corrosion-Resistant 18-8 Stainless Steel Thin-Profile Nylon-Insert Locknuts, 120PK X1E-FAS-NUT-LOC-3740x120
X1 Tools

9/16-18 Corrosion-Resistant 18-8 Stainless Steel Thin-Profile Nylon-Insert Locknuts, 120PK

Zoro # G022856583
Mfr # X1E-FAS-NUT-LOC-3740x120
product price: 
$5,941.99
/pk of 120, $49.52/ea
X1 Tools 4-40 Black-Oxide C.R. 18-8 Stainless Steel Nylon-Insert Locknuts, 120PK X1E-FAS-NUT-LOC-2214x120
X1 Tools

4-40 Black-Oxide C.R. 18-8 Stainless Steel Nylon-Insert Locknuts, 120PK

Zoro # G522849733
Mfr # X1E-FAS-NUT-LOC-2214x120
product price: 
$35.55
/pk of 120, $0.30/ea
X1 Tools 1/4-20 UHP Yellow Zinc Plated Grade 8 Steel Thin-Profile Nylon-Insert Locknuts, 15PK X1E-FAS-NUT-LOC-3010x15
X1 Tools

1/4-20 UHP Yellow Zinc Plated Grade 8 Steel Thin-Profile Nylon-Insert Locknuts, 15PK

Zoro # G622866265
Mfr # X1E-FAS-NUT-LOC-3010x15
product price: 
$4.45
/pk of 15, $0.30/ea
Sold in mult. of 3 pks for $13.35
X1 Tools 1/2-13 Black-Oxide C.R. 18-8 Stainless Steel Nylon-Insert Locknuts, 2PK X1E-FAS-NUT-LOC-2248x2
X1 Tools

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

Zoro # G122860640
Mfr # X1E-FAS-NUT-LOC-2248x2
product price: 
$12.35
/pk of 2, $6.18/ea
Sold in mult. of 2 pks for $24.70
X1 Tools 3/8-16 UHP Yellow Zinc Plated Grade 8 Steel Thin-Profile Nylon-Insert Locknuts, 120PK X1E-FAS-NUT-LOC-3018x120
X1 Tools

3/8-16 UHP Yellow Zinc Plated Grade 8 Steel Thin-Profile Nylon-Insert Locknuts, 120PK

Zoro # G822845237
Mfr # X1E-FAS-NUT-LOC-3018x120
product price: 
$54.55
/pk of 120, $0.45/ea
X1 Tools 1-8 Performance Zinc-Plated Steel Thin-Profile Nylon-Insert Locknuts X1E-FAS-NUT-LOC-3462x1
X1 Tools

1-8 Performance Zinc-Plated Steel Thin-Profile Nylon-Insert Locknuts

Zoro # G222856031
Mfr # X1E-FAS-NUT-LOC-3462x1
product price: 
$10.35
/ea
Sold in mult. of 2 for $20.70
X1 Tools 7/16-14 Corrosion-Resistant 316 Stainless Steel Thin-Profile Nylon-Insert Locknuts, 150PK X1E-FAS-NUT-LOC-3926x150
X1 Tools

7/16-14 Corrosion-Resistant 316 Stainless Steel Thin-Profile Nylon-Insert Locknuts, 150PK

Zoro # G922862745
Mfr # X1E-FAS-NUT-LOC-3926x150
product price: 
$267.99
/pk of 150, $1.79/ea
X1 Tools 3/8-16 Black-Oxide Corrosion-Resistant 18-8 Stainless Steel Thin-Profile Nylon-Insert Locknut, 150PK X1E-FAS-NUT-LOC-3824x150
X1 Tools

3/8-16 Black-Oxide Corrosion-Resistant 18-8 Stainless Steel Thin-Profile Nylon-Insert Locknut, 150PK

Zoro # G022858044
Mfr # X1E-FAS-NUT-LOC-3824x150
product price: 
$177.99
/pk of 150, $1.19/ea
X1 Tools 7/8-9 Corrosion-Resistant 18-8 Stainless Steel Thin-Profile Nylon-Insert Locknuts, 500PK X1E-FAS-NUT-LOC-3750x500
X1 Tools

7/8-9 Corrosion-Resistant 18-8 Stainless Steel Thin-Profile Nylon-Insert Locknuts, 500PK

Zoro # G022851823
Mfr # X1E-FAS-NUT-LOC-3750x500
product price: 
$9,913.99
/pk of 500, $19.83/ea
X1 Tools 1/2-13 Black-Oxide Corrosion-Resistant 18-8 Stainless Steel Thin-Profile Nylon-Insert Locknut, 250PK X1E-FAS-NUT-LOC-3828x250
X1 Tools

1/2-13 Black-Oxide Corrosion-Resistant 18-8 Stainless Steel Thin-Profile Nylon-Insert Locknut, 250PK

Zoro # G722861269
Mfr # X1E-FAS-NUT-LOC-3828x250
product price: 
$649.99
/pk of 250, $2.60/ea
X1 Tools 5/16-24 Corrosion-Resistant 316 Stainless Steel Thin-Profile Nylon-Insert Locknuts, 200PK X1E-FAS-NUT-LOC-3920x200
X1 Tools

5/16-24 Corrosion-Resistant 316 Stainless Steel Thin-Profile Nylon-Insert Locknuts, 200PK

Zoro # G722860958
Mfr # X1E-FAS-NUT-LOC-3920x200
product price: 
$179.99
/pk of 200, $0.90/ea
X1 Tools 1/2-20 Black-Oxide Corrosion-Resistant 18-8 Stainless Steel Thin-Profile Nylon-Insert Locknut, 120PK X1E-FAS-NUT-LOC-3830x120
X1 Tools

1/2-20 Black-Oxide Corrosion-Resistant 18-8 Stainless Steel Thin-Profile Nylon-Insert Locknut, 120PK

Zoro # G922862035
Mfr # X1E-FAS-NUT-LOC-3830x120
product price: 
$336.99
/pk of 120, $2.81/ea
X1 Tools 3/8-24 Corrosion-Resistant 18-8 Stainless Steel Nylon-Insert Locknuts, 100PK X1E-FAS-NUT-LOC-2130x100
X1 Tools

3/8-24 Corrosion-Resistant 18-8 Stainless Steel Nylon-Insert Locknuts, 100PK

Zoro # G622857683
Mfr # X1E-FAS-NUT-LOC-2130x100
product price: 
$82.65
/pk of 100, $0.83/ea
X1 Tools 3/8-24 Ultra Hi Performance Black-Oxide Steel Nylon-Insert Locknuts, 150PK X1E-FAS-NUT-LOC-1220x150
X1 Tools

3/8-24 Ultra Hi Performance Black-Oxide Steel Nylon-Insert Locknuts, 150PK

Zoro # G422846948
Mfr # X1E-FAS-NUT-LOC-1220x150
product price: 
$123.99
/pk of 150, $0.83/ea
X1 Tools 1 1/8-7 Hi-Performance Zinc-Plated Steel Nylon-Insert Locknuts, 12PK X1E-FAS-NUT-LOC-1630x12
X1 Tools

1 1/8-7 Hi-Performance Zinc-Plated Steel Nylon-Insert Locknuts, 12PK

Zoro # G222854389
Mfr # X1E-FAS-NUT-LOC-1630x12
product price: 
$110.99
/pk of 12, $9.25/ea
X1 Tools 4-40 Black-Oxide C.R. 18-8 Stainless Steel Nylon-Insert Locknuts, 50PK X1E-FAS-NUT-LOC-2214x50
X1 Tools

4-40 Black-Oxide C.R. 18-8 Stainless Steel Nylon-Insert Locknuts, 50PK

Zoro # G322858089
Mfr # X1E-FAS-NUT-LOC-2214x50
product price: 
$17.59
/pk of 50, $0.35/ea
X1 Tools 10-24 Performance Black-Corrosion-Resistant-Coated Steel Thin-Profile Nylon-Insert Locknuts, 120PK X1E-FAS-NUT-LOC-3614x120
X1 Tools

10-24 Performance Black-Corrosion-Resistant-Coated Steel Thin-Profile Nylon-Insert Locknuts, 120PK

Zoro # G622864407
Mfr # X1E-FAS-NUT-LOC-3614x120
product price: 
$423.99
/pk of 120, $3.53/ea
X1 Tools 7/8-14 Hi Performance Zinc-Plated Steel Thin-Profile Nylon-Insert Locknuts, 500PK X1E-FAS-NUT-LOC-3318x500
X1 Tools

7/8-14 Hi Performance Zinc-Plated Steel Thin-Profile Nylon-Insert Locknuts, 500PK

Zoro # G022848755
Mfr # X1E-FAS-NUT-LOC-3318x500
product price: 
$6,895.99
/pk of 500, $13.79/ea
X1 Tools 1-8 Hi-Performance Zinc-Plated Steel Nylon-Insert Locknuts, 400PK X1E-FAS-NUT-LOC-1628x400
X1 Tools

1-8 Hi-Performance Zinc-Plated Steel Nylon-Insert Locknuts, 400PK

Zoro # G422856763
Mfr # X1E-FAS-NUT-LOC-1628x400
product price: 
$3,001.99
/pk of 400, $7.50/ea
Oxoxo 4-40 Conical K Keps Lock Nut Black Oxide And Oil, 5000PK 636599
Oxoxo

4-40 Conical K Keps Lock Nut Black Oxide And Oil, 5000PK

Zoro # G022690576
Mfr # 636599
product price: 
$372.99
/pk of 5000, $0.07/ea
X1 Tools 5/8-11 Hi-Performance Zinc-Plated Steel Nylon-Insert Locknuts, 4PK X1E-FAS-NUT-LOC-1622x4
X1 Tools

5/8-11 Hi-Performance Zinc-Plated Steel Nylon-Insert Locknuts, 4PK

Zoro # G922853590
Mfr # X1E-FAS-NUT-LOC-1622x4
product price: 
$11.85
/pk of 4, $2.96/ea
Sold in mult. of 2 pks for $23.70
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 of 150, $4.18/ea
X1 Tools 7/8-14 Performance Zinc-Plated Steel Thin-Profile Nylon-Insert Locknuts, 500PK X1E-FAS-NUT-LOC-3460x500
X1 Tools

7/8-14 Performance Zinc-Plated Steel Thin-Profile Nylon-Insert Locknuts, 500PK

Zoro # G222867235
Mfr # X1E-FAS-NUT-LOC-3460x500
product price: 
$2,271.99
/pk of 500, $4.54/ea
X1 Tools 1/4-20 UHP Yellow Zinc Plated Grade 8 Steel Thin-Profile Nylon-Insert Locknuts, 10PK X1E-FAS-NUT-LOC-3010x10
X1 Tools

1/4-20 UHP Yellow Zinc Plated Grade 8 Steel Thin-Profile Nylon-Insert Locknuts, 10PK

Zoro # G922856010
Mfr # X1E-FAS-NUT-LOC-3010x10
product price: 
$3.15
/pk of 10, $0.32/ea
Sold in mult. of 3 pks for $9.45
X1 Tools 7/16-20 UHP Black-Oxide Grade 8 Steel Thin-Profile Nylon-Insert Locknuts, 120PK X1E-FAS-NUT-LOC-3222x120
X1 Tools

7/16-20 UHP Black-Oxide Grade 8 Steel Thin-Profile Nylon-Insert Locknuts, 120PK

Zoro # G622859304
Mfr # X1E-FAS-NUT-LOC-3222x120
product price: 
$270.99
/pk of 120, $2.26/ea
X1 Tools 1/2-13 Ultra H.P. Yellow Zinc Plated Grade 8 Steel Nylon-Insert Locknuts, 4PK X1E-FAS-NUT-LOC-1026x4
X1 Tools

1/2-13 Ultra H.P. Yellow Zinc Plated Grade 8 Steel Nylon-Insert Locknuts, 4PK

Zoro # G122844657
Mfr # X1E-FAS-NUT-LOC-1026x4
product price: 
$11.85
/pk of 4, $2.96/ea
Sold in mult. of 2 pks for $23.70
Lock Nuts (10,000+ items) - Page 207
  • First
  • Previous
  • 207
    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
4" lock nutsdistorted lock nut1/4 npt locknuts1" lock nuts1/4" locking nut
3/4 lock nuts3/8-16 ss nuts10mm nuts5/16-18 nylon locking nut1/2" flange lock nut

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 home

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 home