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 119

Newport Fasteners Nylon Insert Lock Nut, #5-40, 316 Stainless Steel, Not Graded, 5000 PK NB310009B-5000
Newport Fasteners

Nylon Insert Lock Nut, #5-40, 316 Stainless Steel, Not Graded, 5000 PK

Zoro # G006332645
Mfr # NB310009B-5000
product price: 
$287.99
/pk of 5000, $0.06/ea
Phoenix Contact A-INL-M40-P-GY Counter nut material: PA 1411210
Phoenix Contact

A-INL-M40-P-GY Counter nut material: PA

Zoro # G715309020
Mfr # 1411210
product price: 
$1.35
/ea
Sold in mult. of 6 for $8.10
X1 Tools M18 x 2.5 mm Performance Zinc-Plated Steel Nylon-Insert Locknuts, 2PK X1E-FAS-NUT-LOC-1988x2
X1 Tools

M18 x 2.5 mm Performance Zinc-Plated Steel Nylon-Insert Locknuts, 2PK

Zoro # G822857452
Mfr # X1E-FAS-NUT-LOC-1988x2
product price: 
$9.89
/pk of 2, $4.95/ea
Sold in mult. of 2 pks for $19.78
Newport Fasteners Nylon Insert Lock Nut, M20-2.50, Steel, Class 8, Zinc Plated, 400 PK 293471-BR-400
Newport Fasteners

Nylon Insert Lock Nut, M20-2.50, Steel, Class 8, Zinc Plated, 400 PK

Zoro # G606327799
Mfr # 293471-BR-400
product price: 
$890.99
/pk of 400, $2.23/ea
X1 Tools M20 x 2.5 mm Performance Zinc-Plated Steel Thin-Profile Nylon-Insert Locknuts, 50PK X1E-FAS-NUT-LOC-3496x50
X1 Tools

M20 x 2.5 mm Performance Zinc-Plated Steel Thin-Profile Nylon-Insert Locknuts, 50PK

Zoro # G722864680
Mfr # X1E-FAS-NUT-LOC-3496x50
product price: 
$711.99
/pk of 50, $14.24/ea
X1 Tools 1/2-20 UHP Yellow Zinc Plated Grade 8 Steel Thin-Profile Nylon-Insert Locknuts, 50PK X1E-FAS-NUT-LOC-3028x50
X1 Tools

1/2-20 UHP Yellow Zinc Plated Grade 8 Steel Thin-Profile Nylon-Insert Locknuts, 50PK

Zoro # G622846434
Mfr # X1E-FAS-NUT-LOC-3028x50
product price: 
$141.99
/pk of 50, $2.84/ea
Newport Fasteners Nylon Insert Lock Nut, 1-1/8"-12, Steel, Grade A, Zinc Plated, 200 PK 563735-BR-200
Newport Fasteners

Nylon Insert Lock Nut, 1-1/8"-12, Steel, Grade A, Zinc Plated, 200 PK

Zoro # G006330054
Mfr # 563735-BR-200
product price: 
$870.99
/pk of 200, $4.35/ea
X1 Tools 1/2-20 Black-Oxide Corrosion-Resistant 18-8 Stainless Steel Thin-Profile Nylon-Insert Locknuts, 50PK X1E-FAS-NUT-LOC-3830x50
X1 Tools

1/2-20 Black-Oxide Corrosion-Resistant 18-8 Stainless Steel Thin-Profile Nylon-Insert Locknuts, 50PK

Zoro # G122864693
Mfr # X1E-FAS-NUT-LOC-3830x50
product price: 
$150.99
/pk of 50, $3.02/ea
X1 Tools 1 1/4-12 UHP Black-Oxide Grade 8 Steel Thin-Profile Nylon-Insert Locknuts, 120PK X1E-FAS-NUT-LOC-3238x120
X1 Tools

1 1/4-12 UHP Black-Oxide Grade 8 Steel Thin-Profile Nylon-Insert Locknuts, 120PK

Zoro # G322854081
Mfr # X1E-FAS-NUT-LOC-3238x120
product price: 
$3,926.99
/pk of 120, $32.72/ea
X1 Tools 3/4-10 Performance Zinc-Plated Steel Thin-Profile Nylon-Insert Locknuts, 10PK X1E-FAS-NUT-LOC-3454x10
X1 Tools

3/4-10 Performance Zinc-Plated Steel Thin-Profile Nylon-Insert Locknuts, 10PK

Zoro # G122847344
Mfr # X1E-FAS-NUT-LOC-3454x10
product price: 
$24.29
/pk of 10, $2.43/ea
X1 Tools 5/8-18 Performance Zinc-Plated Steel Nylon-Insert Locknuts, 200PK X1E-FAS-NUT-LOC-1954x200
X1 Tools

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

Zoro # G522851859
Mfr # X1E-FAS-NUT-LOC-1954x200
product price: 
$233.99
/pk of 200, $1.17/ea
X1 Tools M24 x 3 mm Performance Zinc-Plated Steel Nylon-Insert Locknuts, 2PK X1E-FAS-NUT-LOC-1994x2
X1 Tools

M24 x 3 mm Performance Zinc-Plated Steel Nylon-Insert Locknuts, 2PK

Zoro # G122850481
Mfr # X1E-FAS-NUT-LOC-1994x2
product price: 
$16.89
/pk of 2, $8.45/ea
X1 Tools 1-14 Performance Zinc-Plated Steel Thin-Profile Nylon-Insert Locknuts, 500PK X1E-FAS-NUT-LOC-3464x500
X1 Tools

1-14 Performance Zinc-Plated Steel Thin-Profile Nylon-Insert Locknuts, 500PK

Zoro # G322848950
Mfr # X1E-FAS-NUT-LOC-3464x500
product price: 
$3,105.99
/pk of 500, $6.21/ea
Newport Fasteners Self Clinching Lock Nut, #8-32, Steel, Zinc Plated, 8000 PK 387138
Newport Fasteners

Self Clinching Lock Nut, #8-32, Steel, Zinc Plated, 8000 PK

Zoro # G806372162
Mfr # 387138
product price: 
$1,676.99
/pk of 8000, $0.21/ea
Newport Fasteners Nylon Insert Lock Nut, 1/2"-20, Steel, Zinc Plated, 300 PK 765643
Newport Fasteners

Nylon Insert Lock Nut, 1/2"-20, Steel, Zinc Plated, 300 PK

Zoro # G006329614
Mfr # 765643
product price: 
$202.99
/pk of 300, $0.68/ea
X1 Tools M6 x 1 mm Performance Zinc-Plated Steel Thin-Profile Nylon-Insert Locknuts, 120PK X1E-FAS-NUT-LOC-3482x120
X1 Tools

M6 x 1 mm Performance Zinc-Plated Steel Thin-Profile Nylon-Insert Locknuts, 120PK

Zoro # G722862044
Mfr # X1E-FAS-NUT-LOC-3482x120
product price: 
$229.99
/pk of 120, $1.92/ea
Newport Fasteners Nylon Insert Lock Nut, 7/16"-14, 18-8 Stainless Steel, Not Graded, 400 PK 250289
Newport Fasteners

Nylon Insert Lock Nut, 7/16"-14, 18-8 Stainless Steel, Not Graded, 400 PK

Zoro # G306328171
Mfr # 250289
product price: 
$586.99
/pk of 400, $1.47/ea
X1 Tools 5-40 Performance Zinc-Plated Steel Nylon-Insert Locknuts X1E-FAS-NUT-LOC-1916x1
X1 Tools

5-40 Performance Zinc-Plated Steel Nylon-Insert Locknuts

Zoro # G322861607
Mfr # X1E-FAS-NUT-LOC-1916x1
product price: 
$0.57
/ea
Sold in mult. of 16 for $9.12
Heico-Lock 2-Piece Wedge Lock Nut, M18-2.5, Steel, Class 10, Zinc-Coated, 15 9/20 mm Ht, 20 PK HLMG-18/10
Heico-Lock

2-Piece Wedge Lock Nut, M18-2.5, Steel, Class 10, Zinc-Coated, 15 9/20 mm Ht, 20 PK

Zoro # G911807412
Mfr # HLMG-18/10
product price: 
$84.55
/pk of 20, $4.23/ea
X1 Tools 7/8-9 Corrosion-Resistant 18-8 Stainless Steel Nylon-Insert Locknuts, 1000PK X1E-FAS-NUT-LOC-2141x1000
X1 Tools

7/8-9 Corrosion-Resistant 18-8 Stainless Steel Nylon-Insert Locknuts, 1000PK

Zoro # G422847648
Mfr # X1E-FAS-NUT-LOC-2141x1000
product price: 
$9,887.99
/pk of 1000, $9.89/ea
Newport Fasteners Lock Nut, M8-1.25, Steel, Class 10, Black Phosphate, 13 mm Ht, 2500 PK 322965
Newport Fasteners

Lock Nut, M8-1.25, Steel, Class 10, Black Phosphate, 13 mm Ht, 2500 PK

Zoro # G506327639
Mfr # 322965
product price: 
$666.99
/pk of 2500, $0.27/ea
Hillman Nylon Insert Lock Nut, Nylon, Zinc Plated 78992
Hillman

Nylon Insert Lock Nut, Nylon, Zinc Plated

Zoro # G803978862
Mfr # 78992
product price: 
$30.29
/ea
Newport Fasteners Nylon Insert Lock Nut, 7/8"-9, 18-8 Stainless Steel, Not Graded, 250 PK 519678-BR-250
Newport Fasteners

Nylon Insert Lock Nut, 7/8"-9, 18-8 Stainless Steel, Not Graded, 250 PK

Zoro # G406329795
Mfr # 519678-BR-250
product price: 
$2,348.99
/pk of 250, $9.40/ea
X1 Tools 7/8-9 Performance Zinc-Plated Steel Thin-Profile Nylon-Insert Locknuts, 25PK X1E-FAS-NUT-LOC-3458x25
X1 Tools

7/8-9 Performance Zinc-Plated Steel Thin-Profile Nylon-Insert Locknuts, 25PK

Zoro # G822851795
Mfr # X1E-FAS-NUT-LOC-3458x25
product price: 
$100.99
/pk of 25, $4.04/ea
X1 Tools 5/8-18 Performance Zinc-Plated Steel Thin-Profile Nylon-Insert Locknuts, 8PK X1E-FAS-NUT-LOC-3452x8
X1 Tools

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

Zoro # G722866042
Mfr # X1E-FAS-NUT-LOC-3452x8
product price: 
$11.35
/pk of 8, $1.42/ea
Sold in mult. of 2 pks for $22.70
X1 Tools 1/2-13 Ultra Hi Performance Black-Oxide Steel Nylon-Insert Locknuts, 75PK X1E-FAS-NUT-LOC-1226x75
X1 Tools

1/2-13 Ultra Hi Performance Black-Oxide Steel Nylon-Insert Locknuts, 75PK

Zoro # G622845260
Mfr # X1E-FAS-NUT-LOC-1226x75
product price: 
$116.99
/pk of 75, $1.56/ea
Zoro Select Lock Nut, 5/8"-11, Steel, Wax, 100 PK 62NXHTH
Zoro Select

Lock Nut, 5/8"-11, Steel, Wax, 100 PK

Zoro # G2454031
Mfr # 62NXHTH
product price: 
$183.99
/pk of 100, $1.84/ea
X1 Tools 4-40 Performance Zinc-Plated Steel Thin-Profile Nylon-Insert Locknuts, 8PK X1E-FAS-NUT-LOC-3412x8
X1 Tools

4-40 Performance Zinc-Plated Steel Thin-Profile Nylon-Insert Locknuts, 8PK

Zoro # G322847151
Mfr # X1E-FAS-NUT-LOC-3412x8
product price: 
$2.55
/pk of 8, $0.32/ea
Sold in mult. of 4 pks for $10.20
X1 Tools 5/16-18 Corrosion-Resistant 316 Stainless Steel Nylon-Insert Locknuts X1E-FAS-NUT-LOC-2328x1
X1 Tools

5/16-18 Corrosion-Resistant 316 Stainless Steel Nylon-Insert Locknuts

Zoro # G222855683
Mfr # X1E-FAS-NUT-LOC-2328x1
product price: 
$1.15
/ea
Sold in mult. of 9 for $10.35
Suburban Bolt And Supply Nylon Insert Lock Nut, #10-24, Nylon, Zinc Plated A0420120NTM
Suburban Bolt And Supply

Nylon Insert Lock Nut, #10-24, Nylon, Zinc Plated

Zoro # G203463418
Mfr # A0420120NTM
product price: 
$0.13
/ea
Sold in mult. of 100 for $13.00
X1 Tools 4-40 Performance Zinc-Plated Steel Thin-Profile Nylon-Insert Locknuts, 12PK X1E-FAS-NUT-LOC-3412x12
X1 Tools

4-40 Performance Zinc-Plated Steel Thin-Profile Nylon-Insert Locknuts, 12PK

Zoro # G722861429
Mfr # X1E-FAS-NUT-LOC-3412x12
product price: 
$3.55
/pk of 12, $0.30/ea
Sold in mult. of 3 pks for $10.65
X1 Tools 3/8-24 Corrosion-Resistant 316 Stainless Steel Thin-Profile Nylon-Insert Locknuts, 15PK X1E-FAS-NUT-LOC-3924x15
X1 Tools

3/8-24 Corrosion-Resistant 316 Stainless Steel Thin-Profile Nylon-Insert Locknuts, 15PK

Zoro # G122848624
Mfr # X1E-FAS-NUT-LOC-3924x15
product price: 
$23.29
/pk of 15, $1.55/ea
Newport Fasteners Lock Nut, #5-40, Steel, Zinc Plated, 0.102 in Ht, 5000 PK 653482
Newport Fasteners

Lock Nut, #5-40, Steel, Zinc Plated, 0.102 in Ht, 5000 PK

Zoro # G506330073
Mfr # 653482
product price: 
$472.99
/pk of 5000, $0.09/ea
X1 Tools 1-14 Corrosion-Resistant 18-8 Stainless Steel Nylon-Insert Locknuts, 500PK X1E-FAS-NUT-LOC-2145x500
X1 Tools

1-14 Corrosion-Resistant 18-8 Stainless Steel Nylon-Insert Locknuts, 500PK

Zoro # G822854284
Mfr # X1E-FAS-NUT-LOC-2145x500
product price: 
$9,300.99
/pk of 500, $18.60/ea
X1 Tools M10 x 1.5 mm Performance Zinc-Plated Steel Nylon-Insert Locknuts, 400PK X1E-FAS-NUT-LOC-1980x400
X1 Tools

M10 x 1.5 mm Performance Zinc-Plated Steel Nylon-Insert Locknuts, 400PK

Zoro # G522847777
Mfr # X1E-FAS-NUT-LOC-1980x400
product price: 
$201.99
/pk of 400, $0.50/ea
X1 Tools 3/4-16 Hi-Performance Zinc-Plated Steel Nylon-Insert Locknuts, 500PK X1E-FAS-NUT-LOC-1625x500
X1 Tools

3/4-16 Hi-Performance Zinc-Plated Steel Nylon-Insert Locknuts, 500PK

Zoro # G122847436
Mfr # X1E-FAS-NUT-LOC-1625x500
product price: 
$1,272.99
/pk of 500, $2.55/ea
Lock Nuts (10,000+ items) - Page 119
  • First
  • Previous
  • 119
    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
m12 nylon insert locknutsdistorted lock nut1/4 npt locknuts1/4" locking nut2 inch locknut
1" lock nutsnylon insert hex nut5/16-18 nylon locking nut3/8-16 ss nuts10mm 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 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