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 56

X1 Tools 5/8-18 Corrosion-Resistant 316 Stainless Steel Nylon-Insert Locknuts, 6PK X1E-FAS-NUT-LOC-2350x6
X1 Tools

5/8-18 Corrosion-Resistant 316 Stainless Steel Nylon-Insert Locknuts, 6PK

Zoro # G522854218
Mfr # X1E-FAS-NUT-LOC-2350x6
product price:  $44.55
/pk 6, $7.43/ea
X1 Tools M6 x 1 mm Performance Zinc-Plated Steel Nylon-Insert Locknuts, 4PK X1E-FAS-NUT-LOC-1976x4
X1 Tools

M6 x 1 mm Performance Zinc-Plated Steel Nylon-Insert Locknuts, 4PK

Zoro # G522854973
Mfr # X1E-FAS-NUT-LOC-1976x4
product price:  $1.35
/pk 4, $0.34/ea
X1 Tools 5/16-24 Performance Zinc-Plated Steel Nylon-Insert Locknuts, 2PK X1E-FAS-NUT-LOC-1934x2
X1 Tools

5/16-24 Performance Zinc-Plated Steel Nylon-Insert Locknuts, 2PK

Zoro # G622853005
Mfr # X1E-FAS-NUT-LOC-1934x2
product price:  $0.84
/pk 2, $0.42/ea
Zoro Select Lock Nut, M3-0.50, A4 Stainless Steel, Not Graded, 2.4 mm Ht, 6000 PK M3D985A4
Zoro Select

Lock Nut, M3-0.50, A4 Stainless Steel, Not Graded, 2.4 mm Ht, 6000 PK

Zoro # G9086833
Mfr # M3D985A4
product price:  $179.99
/pk 6000, $0.03/ea
X1 Tools M39 x 3 mm Hi-Performance Zinc-Plated Steel Nylon-Insert Locknuts X1E-FAS-NUT-LOC-1672x1
X1 Tools

M39 x 3 mm Hi-Performance Zinc-Plated Steel Nylon-Insert Locknuts

Zoro # G922863988
Mfr # X1E-FAS-NUT-LOC-1672x1
product price:  $120.99
/ea
X1 Tools 1-14 Performance Zinc-Plated Steel Nylon-Insert Locknuts, 12PK X1E-FAS-NUT-LOC-1966x12
X1 Tools

1-14 Performance Zinc-Plated Steel Nylon-Insert Locknuts, 12PK

Zoro # G822863934
Mfr # X1E-FAS-NUT-LOC-1966x12
product price:  $77.59
/pk 12, $6.47/ea
X1 Tools 3/8-16 Performance Zinc-Plated Steel Nylon-Insert Locknuts, 1000PK X1E-FAS-NUT-LOC-1936x1000
X1 Tools

3/8-16 Performance Zinc-Plated Steel Nylon-Insert Locknuts, 1000PK

Zoro # G322856054
Mfr # X1E-FAS-NUT-LOC-1936x1000
product price:  $225.99
/pk 1000, $0.23/ea
X1 Tools 5-40 Performance Zinc-Plated Steel Nylon-Insert Locknuts, 8PK X1E-FAS-NUT-LOC-1916x8
X1 Tools

5-40 Performance Zinc-Plated Steel Nylon-Insert Locknuts, 8PK

Zoro # G222859582
Mfr # X1E-FAS-NUT-LOC-1916x8
product price:  $1.35
/pk 8, $0.17/ea
X1 Tools 3/8-16 Black-Oxide C.R. 18-8 Stainless Steel Nylon-Insert Locknuts, 2PK X1E-FAS-NUT-LOC-2240x2
X1 Tools

3/8-16 Black-Oxide C.R. 18-8 Stainless Steel Nylon-Insert Locknuts, 2PK

Zoro # G822847323
Mfr # X1E-FAS-NUT-LOC-2240x2
product price:  $4.39
/pk 2, $2.20/ea
X1 Tools M18 x 1.5 mm Ultra Hi Performance Zinc-Plated Steel Nylon-Insert Locknuts, 250PK X1E-FAS-NUT-LOC-1140x250
X1 Tools

M18 x 1.5 mm Ultra Hi Performance Zinc-Plated Steel Nylon-Insert Locknuts, 250PK

Zoro # G022847604
Mfr # X1E-FAS-NUT-LOC-1140x250
product price:  $2,669.99
/pk 250, $10.68/ea
X1 Tools M2 x 0.4 mm Hi-Performance Zinc-Plated Steel Nylon-Insert Locknuts, 1000PK X1E-FAS-NUT-LOC-1633x1000
X1 Tools

M2 x 0.4 mm Hi-Performance Zinc-Plated Steel Nylon-Insert Locknuts, 1000PK

Zoro # G922846714
Mfr # X1E-FAS-NUT-LOC-1633x1000
product price:  $3,737.99
/pk 1000, $3.74/ea
X1 Tools M27 x 1.5 mm Hi-Performance Zinc-Plated Steel Nylon-Insert Locknuts, 75PK X1E-FAS-NUT-LOC-1663x75
X1 Tools

M27 x 1.5 mm Hi-Performance Zinc-Plated Steel Nylon-Insert Locknuts, 75PK

Zoro # G022848496
Mfr # X1E-FAS-NUT-LOC-1663x75
product price:  $3,113.99
/pk 75, $41.52/ea
Oxoxo 10-32 NM Nylon Insert Hex Lock Nut 18 8 Stainless Steel Black Oxide and Oil, 2000PK 438914
Oxoxo

10-32 NM Nylon Insert Hex Lock Nut 18 8 Stainless Steel Black Oxide and Oil, 2000PK

Zoro # G122694061
Mfr # 438914
product price:  $381.99
/pk 2000, $0.19/ea
No Product Image Available
Standard Locknut

Bearing Lock Nut, Steel

Zoro # G423331092
Mfr # AN19
product price:  $31.79
/ea
X1 Tools M10 x 1.5 mm Hi-Performance Yellow Zinc Plated Steel Nylon-Insert Locknuts, 250PK X1E-FAS-NUT-LOC-1520x250
X1 Tools

M10 x 1.5 mm Hi-Performance Yellow Zinc Plated Steel Nylon-Insert Locknuts, 250PK

Zoro # G022857696
Mfr # X1E-FAS-NUT-LOC-1520x250
product price:  $217.99
/pk 250, $0.87/ea
X1 Tools 1 3/4-12 Ultra Hi Performance Grade 8 Steel Nylon-Insert Locknuts, 25PK X1E-FAS-NUT-LOC-1472x25
X1 Tools

1 3/4-12 Ultra Hi Performance Grade 8 Steel Nylon-Insert Locknuts, 25PK

Zoro # G622846441
Mfr # X1E-FAS-NUT-LOC-1472x25
product price:  $1,917.99
/pk 25, $76.72/ea
X1 Tools M14 x 2 mm Performance Zinc-Plated Steel Nylon-Insert Locknuts, 50PK X1E-FAS-NUT-LOC-1984x50
X1 Tools

M14 x 2 mm Performance Zinc-Plated Steel Nylon-Insert Locknuts, 50PK

Zoro # G522864095
Mfr # X1E-FAS-NUT-LOC-1984x50
product price:  $65.65
/pk 50, $1.31/ea
X1 Tools 8-32 Corrosion-Resistant 18-8 Stainless Steel Thin-Profile Nylon-Insert Locknuts X1E-FAS-NUT-LOC-3714x1
X1 Tools

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

Zoro # G122848303
Mfr # X1E-FAS-NUT-LOC-3714x1
product price:  $0.68
/ea
Zoro Select Lock Nut, #10-24, 18-8 Stainless Steel, Not Graded, 0.13 in Ht, 2000 PK 10NR188
Zoro Select

Lock Nut, #10-24, 18-8 Stainless Steel, Not Graded, 0.13 in Ht, 2000 PK

Zoro # G2448623
Mfr # 10NR188
product price:  $251.99
/pk 2000, $0.13/ea
X1 Tools M8 x 1.25 mm Performance Zinc-Plated Steel Thin-Profile Nylon-Insert Locknuts X1E-FAS-NUT-LOC-3484x1
X1 Tools

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

Zoro # G422850983
Mfr # X1E-FAS-NUT-LOC-3484x1
product price:  $3.65
/ea
X1 Tools 3/4-10 Performance Zinc-Plated Steel Nylon-Insert Locknuts, 150PK X1E-FAS-NUT-LOC-1956x150
X1 Tools

3/4-10 Performance Zinc-Plated Steel Nylon-Insert Locknuts, 150PK

Zoro # G322860730
Mfr # X1E-FAS-NUT-LOC-1956x150
product price:  $234.99
/pk 150, $1.57/ea
X1 Tools 1/4-20 Corrosion-Resistant 316 Stainless Steel Thin-Profile Nylon-Insert Locknuts, 120PK X1E-FAS-NUT-LOC-3914x120
X1 Tools

1/4-20 Corrosion-Resistant 316 Stainless Steel Thin-Profile Nylon-Insert Locknuts, 120PK

Zoro # G722859723
Mfr # X1E-FAS-NUT-LOC-3914x120
product price:  $81.25
/pk 120, $0.68/ea
X1 Tools 1/2-13 UHP Yellow Zinc Plated Grade 8 Steel Thin-Profile Nylon-Insert Locknuts X1E-FAS-NUT-LOC-3026x1
X1 Tools

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

Zoro # G322848455
Mfr # X1E-FAS-NUT-LOC-3026x1
product price:  $2.15
/ea
X1 Tools 7/16-14 Performance Zinc-Plated Steel Nylon-Insert Locknuts, 100PK X1E-FAS-NUT-LOC-1940x100
X1 Tools

7/16-14 Performance Zinc-Plated Steel Nylon-Insert Locknuts, 100PK

Zoro # G122867793
Mfr # X1E-FAS-NUT-LOC-1940x100
product price:  $39.95
/pk 100, $0.40/ea
Zoro Select Nylon Insert Lock Nut, 5/8"-18, Nylon, Zinc Plated, 0.593 in Ht, 200 PK 63NS
Zoro Select

Nylon Insert Lock Nut, 5/8"-18, Nylon, Zinc Plated, 0.593 in Ht, 200 PK

Zoro # G2449980
Mfr # 63NS
product price:  $102.99
/pk 200, $0.51/ea
X1 Tools 1-8 Ultra Hi Performance Grade 8 Steel Nylon-Insert Locknuts, 200PK X1E-FAS-NUT-LOC-1446x200
X1 Tools

1-8 Ultra Hi Performance Grade 8 Steel Nylon-Insert Locknuts, 200PK

Zoro # G022847734
Mfr # X1E-FAS-NUT-LOC-1446x200
product price:  $1,169.99
/pk 200, $5.85/ea
X1 Tools M10 x 1.5 mm Performance Zinc-Plated Steel Nylon-Insert Locknuts X1E-FAS-NUT-LOC-1980x1
X1 Tools

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

Zoro # G922862219
Mfr # X1E-FAS-NUT-LOC-1980x1
product price:  $1.15
/ea
X1 Tools 10-32 Corrosion-Resistant 316 Stainless Steel Thin-Profile Nylon-Insert Locknuts, 4PK X1E-FAS-NUT-LOC-3912x4
X1 Tools

10-32 Corrosion-Resistant 316 Stainless Steel Thin-Profile Nylon-Insert Locknuts, 4PK

Zoro # G222851982
Mfr # X1E-FAS-NUT-LOC-3912x4
product price:  $4.39
/pk 4, $1.10/ea
X1 Tools 1/4-20 Hi-Performance Black-Oxide Steel Nylon-Insert Locknuts, 250PK X1E-FAS-NUT-LOC-1710x250
X1 Tools

1/4-20 Hi-Performance Black-Oxide Steel Nylon-Insert Locknuts, 250PK

Zoro # G522857943
Mfr # X1E-FAS-NUT-LOC-1710x250
product price:  $52.95
/pk 250, $0.21/ea
X1 Tools 7/8-14 UHP Yellow Zinc Plated Grade 8 Steel Thin-Profile Nylon-Insert Locknuts X1E-FAS-NUT-LOC-3036x1
X1 Tools

7/8-14 UHP Yellow Zinc Plated Grade 8 Steel Thin-Profile Nylon-Insert Locknuts

Zoro # G422864867
Mfr # X1E-FAS-NUT-LOC-3036x1
product price:  $17.35
/ea
X1 Tools 1/2-13 Performance Zinc-Plated Steel Nylon-Insert Locknuts, 100PK X1E-FAS-NUT-LOC-1944x100
X1 Tools

1/2-13 Performance Zinc-Plated Steel Nylon-Insert Locknuts, 100PK

Zoro # G922864558
Mfr # X1E-FAS-NUT-LOC-1944x100
product price:  $65.85
/pk 100, $0.66/ea
X1 Tools M12 x 1.75 mm Performance Zinc-Plated Steel Nylon-Insert Locknuts, 200PK X1E-FAS-NUT-LOC-1982x200
X1 Tools

M12 x 1.75 mm Performance Zinc-Plated Steel Nylon-Insert Locknuts, 200PK

Zoro # G622853173
Mfr # X1E-FAS-NUT-LOC-1982x200
product price:  $138.99
/pk 200, $0.69/ea
Zoro Select Lock Nut, #6-32, Steel, Wax, 1000 PK 06NXL
Zoro Select

Lock Nut, #6-32, Steel, Wax, 1000 PK

Zoro # G2454311
Mfr # 06NXL
product price:  $206.99
/pk 1000, $0.21/ea
X1 Tools 1/2-13 UHP Yellow Zinc Plated Grade 8 Steel Thin-Profile Nylon-Insert Locknuts, 500PK X1E-FAS-NUT-LOC-3026x500
X1 Tools

1/2-13 UHP Yellow Zinc Plated Grade 8 Steel Thin-Profile Nylon-Insert Locknuts, 500PK

Zoro # G122852515
Mfr # X1E-FAS-NUT-LOC-3026x500
product price:  $843.99
/pk 500, $1.69/ea
X1 Tools 3/8-24 Corrosion-Resistant 316 Stainless Steel Thin-Profile Nylon-Insert Locknuts, 120PK X1E-FAS-NUT-LOC-3924x120
X1 Tools

3/8-24 Corrosion-Resistant 316 Stainless Steel Thin-Profile Nylon-Insert Locknuts, 120PK

Zoro # G422860791
Mfr # X1E-FAS-NUT-LOC-3924x120
product price:  $146.99
/pk 120, $1.22/ea
X1 Tools 2-8 Ultra Hi Performance Grade 8 Steel Nylon-Insert Locknuts, 100PK X1E-FAS-NUT-LOC-1474x100
X1 Tools

2-8 Ultra Hi Performance Grade 8 Steel Nylon-Insert Locknuts, 100PK

Zoro # G522851743
Mfr # X1E-FAS-NUT-LOC-1474x100
product price:  $9,256.99
/pk 100, $92.57/ea
Lock Nuts (10,000+ items) - Page 56
  • First
  • Previous
  • 56
    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