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
  • Promo Codes
  • Contact Us
Added to Cart
Skip to Main Content
FREE Shipping on orders over $50 after you . Restrictions Apply
Zoro Homepage
Close icon
Clipboard Icon Clipboard Icon Quick Order
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
Search Feedback

Lock Nuts (9,500+ items) - Page 249

Phoenix Contact A-INL-M25-P-LG Counter nut material: PA 1417661
Phoenix Contact

A-INL-M25-P-LG Counter nut material: PA

Zoro # G315309086
Mfr # 1417661
product price:  $0.58
/ea
Sold in mult. of 15 for $8.70
Phoenix Contact A-INL-NPT1/2-P-GY Counter nut material: 1411233
Phoenix Contact

A-INL-NPT1/2-P-GY Counter nut material:

Zoro # G615309069
Mfr # 1411233
product price:  $0.74
/ea
Sold in mult. of 10 for $7.40
Phoenix Contact A-INL-PG16-P-LG Counter nut material: 1424552
Phoenix Contact

A-INL-PG16-P-LG Counter nut material:

Zoro # G115309132
Mfr # 1424552
product price:  $0.48
/ea
Sold in mult. of 16 for $7.68
Phoenix Contact A-INL-PG16-P-GY Counter nut material: 1411225
Phoenix Contact

A-INL-PG16-P-GY Counter nut material:

Zoro # G815309050
Mfr # 1411225
product price:  $0.58
/ea
Sold in mult. of 15 for $8.70
Phoenix Contact A-INL-NPT3/4-P-BK Counter nut material: 1411238
Phoenix Contact

A-INL-NPT3/4-P-BK Counter nut material:

Zoro # G615309038
Mfr # 1411238
product price:  $1.29
/ea
Sold in mult. of 7 for $9.03
No Product Image Available
Metric Blue

Top Lock Distorted Thread Lock Nut, M6-1.00, Steel, Not Graded, Plain, 100 PK

Zoro # G5266642
Mfr # UST202387
product price:  $7.99
/pk 100, $0.08/ea
Pflitsch Lock Nut, M16-1.50, Polyamide 25721.9
Pflitsch

Lock Nut, M16-1.50, Polyamide

Zoro # G7898598
Mfr # 25721.9
product price:  $0.20
/ea
Sold in mult. of 50 for $10.00
Wiska Lock Nut, Nickel Plated Brass, Nickel 10100974
Wiska

Lock Nut, Nickel Plated Brass, Nickel

Zoro # G7898512
Mfr # 10100974
product price:  $1.85
/ea
Sold in mult. of 5 for $9.25
Wiska PG 11/PALG/LN 10060672
Wiska

PG 11/PALG/LN

Zoro # G7896656
Mfr # 10060672
product price:  $0.18
/ea
Sold in mult. of 50 for $9.00
Huyett Nylon Insert Lock Nut, 1/4-28, Low Carbon Steel, Zinc Clear Trivalent, 0.312 in Ht NUTH60-0250-0312LC3
Huyett

Nylon Insert Lock Nut, 1/4-28, Low Carbon Steel, Zinc Clear Trivalent, 0.312 in Ht

Zoro # G013330870
Mfr # NUTH60-0250-0312LC3
product price:  $0.04
/ea
Sold in mult. of 275 for $11.00
Huyett Nylon Insert Lock Nut, M12 x 1.75, Steel, Class 8, Zinc Clear Trivalent, 12 mm Ht NUTH44-M120-01208S3
Huyett

Nylon Insert Lock Nut, M12 x 1.75, Steel, Class 8, Zinc Clear Trivalent, 12 mm Ht

Zoro # G213331219
Mfr # NUTH44-M120-01208S3
product price:  $0.27
/ea
Sold in mult. of 55 for $14.85
Pflitsch Lock Nut, M40-1.50, Nickel Plated Brass, Nickel 240/5
Pflitsch

Lock Nut, M40-1.50, Nickel Plated Brass, Nickel

Zoro # G7898022
Mfr # 240/5
product price:  $1.69
/ea
Sold in mult. of 7 for $11.83
Newport Fasteners Nylon Insert Lock Nut, 7/8"-14, Steel, Zinc Plated, 250 PK NB305203B-250
Newport Fasteners

Nylon Insert Lock Nut, 7/8"-14, Steel, Zinc Plated, 250 PK

Zoro # G506331698
Mfr # NB305203B-250
product price:  $444.99
/pk 250, $1.78/ea
Newport Fasteners Nylon Insert Lock Nut, 1/2"-20, Steel, Zinc Plated, 100 PK NB305299P-100
Newport Fasteners

Nylon Insert Lock Nut, 1/2"-20, Steel, Zinc Plated, 100 PK

Zoro # G506331957
Mfr # NB305299P-100
product price:  $88.65
/pk 100, $0.89/ea
Newport Fasteners Serrated Lock Nut, 3/4"-10, Steel, Grade 8, Yellow Zinc, 0.46 in Ht, 100 PK 754857
Newport Fasteners

Serrated Lock Nut, 3/4"-10, Steel, Grade 8, Yellow Zinc, 0.46 in Ht, 100 PK

Zoro # G606308521
Mfr # 754857
product price:  $312.99
/pk 100, $3.13/ea
Aeroquip FCM2104 10 An Blue Anodized Aluminum Locknuts A83-FCM2104
Aeroquip

FCM2104 10 An Blue Anodized Aluminum Locknuts

Zoro # G516330339
Mfr # A83-FCM2104
product price:  $28.75
/ea
Newport Fasteners Nylon Insert Lock Nut, 5/8"-11, 18-8 Stainless Steel, Not Graded, 100 PK 226984
Newport Fasteners

Nylon Insert Lock Nut, 5/8"-11, 18-8 Stainless Steel, Not Graded, 100 PK

Zoro # G906327970
Mfr # 226984
product price:  $429.99
/pk 100, $4.30/ea
Newport Fasteners Lock Nut, #8-32, Steel, Zinc Plated, 0.117 in Ht, 5000 PK 177633
Newport Fasteners

Lock Nut, #8-32, Steel, Zinc Plated, 0.117 in Ht, 5000 PK

Zoro # G906327581
Mfr # 177633
product price:  $437.99
/pk 5000, $0.09/ea
Newport Fasteners Flexible Top Lock Nut, 1/2"-20, 18-8 Stainless Steel, Not Graded, 50 PK 468694
Newport Fasteners

Flexible Top Lock Nut, 1/2"-20, 18-8 Stainless Steel, Not Graded, 50 PK

Zoro # G706327538
Mfr # 468694
product price:  $633.99
/pk 50, $12.68/ea
Hpi Racing Lock Nut M2.5 Spare Parts, Black , 4PK HPI100551
Hpi Racing

Lock Nut M2.5 Spare Parts, Black , 4PK

Zoro # G510660197
Mfr # HPI100551
product price:  $16.79
/pk 4, $4.20/ea
Isn Tool Web Soc 2-5/8 3/4D Lcknt 6Pt Dp Satin OTC1922
Isn Tool Web

Soc 2-5/8 3/4D Lcknt 6Pt Dp Satin

Zoro # G412170268
Mfr # OTC1922
product price:  $56.49
/ea
Anvil 1/4'' Malleable Iron Galvanized Lock Nut 8700162400
Anvil

1/4'' Malleable Iron Galvanized Lock Nut

Zoro # G921858565
Mfr # 8700162400
product price:  $4.89
/ea
Newport Fasteners Nylon Insert Lock Nut, 1-3/8"-12, Steel, Grade A, Zinc Plated, 120 PK 570217-BR-120
Newport Fasteners

Nylon Insert Lock Nut, 1-3/8"-12, Steel, Grade A, Zinc Plated, 120 PK

Zoro # G606330119
Mfr # 570217-BR-120
product price:  $906.99
/pk 120, $7.56/ea
Do It Best 1-1/2'' Metal Zinc Jam Nut DIB855-22
Do It Best

1-1/2'' Metal Zinc Jam Nut

Zoro # G121861037
Mfr # DIB855-22
product price:  $4.19
/ea
Suburban Bolt And Supply Nylon Insert Lock Nut, 1-1/8"-7, Nylon, Zinc Plated A04210800NU
Suburban Bolt And Supply

Nylon Insert Lock Nut, 1-1/8"-7, Nylon, Zinc Plated

Zoro # G303462670
Mfr # A04210800NU
product price:  $10.85
/ea
Sold in mult. of 10 for $108.50
Aftermarket Lock Nut, Jam Hex A41511
Aftermarket

Lock Nut, Jam Hex

Zoro # G205606776
Mfr # A41511
product price:  $28.99
/ea
Anvil 3/8'' Malleable Iron Galvanized Lock Nut 8700162459
Anvil

3/8'' Malleable Iron Galvanized Lock Nut

Zoro # G521858453
Mfr # 8700162459
product price:  $5.29
/ea
Newport Fasteners Flexible Top Lock Nut, 1/2"-13, Steel, Cadmium Plated, 100 PK 550511
Newport Fasteners

Flexible Top Lock Nut, 1/2"-13, Steel, Cadmium Plated, 100 PK

Zoro # G706329686
Mfr # 550511
product price:  $207.99
/pk 100, $2.08/ea
Newport Fasteners Nylon Insert Lock Nut, #12-24, 18-8 Stainless Steel, Not Graded, 100 PK 299112-PR-100
Newport Fasteners

Nylon Insert Lock Nut, #12-24, 18-8 Stainless Steel, Not Graded, 100 PK

Zoro # G406327593
Mfr # 299112-PR-100
product price:  $44.15
/pk 100, $0.44/ea
Newport Fasteners Nylon Insert Lock Nut, 1/2"-13, Steel, Black Zinc, 300 PK 559961
Newport Fasteners

Nylon Insert Lock Nut, 1/2"-13, Steel, Black Zinc, 300 PK

Zoro # G606329700
Mfr # 559961
product price:  $256.99
/pk 300, $0.86/ea
Suburban Bolt And Supply Stover Lock Nut, 3/8"-16, Steel, Grade C, Yellow Zinc A04202400STZYD
Suburban Bolt And Supply

Stover Lock Nut, 3/8"-16, Steel, Grade C, Yellow Zinc

Zoro # G703504635
Mfr # A04202400STZYD
product price:  $0.17
/ea
Sold in mult. of 100 for $17.00
Zoro Select Lock Nut, 1/2"-20, Steel, Wax, 100 PK 51NXL
Zoro Select

Lock Nut, 1/2"-20, Steel, Wax, 100 PK

Zoro # G2454564
Mfr # 51NXL
product price:  $248.99
/pk 100, $2.49/ea
Newport Fasteners Nylon Insert Lock Nut, 7/16"-20, Steel, Yellow Zinc, 800 PK 282764
Newport Fasteners

Nylon Insert Lock Nut, 7/16"-20, Steel, Yellow Zinc, 800 PK

Zoro # G606327829
Mfr # 282764
product price:  $403.99
/pk 800, $0.50/ea
Newport Fasteners Nylon Insert Lock Nut, #3-48, Steel, Grade A, Zinc Plated, 100 PK 949054-PR-100
Newport Fasteners

Nylon Insert Lock Nut, #3-48, Steel, Grade A, Zinc Plated, 100 PK

Zoro # G606331659
Mfr # 949054-PR-100
product price:  $48.15
/pk 100, $0.48/ea
Erickson ER 8 SLIM LOCKNUT LER08M
Erickson

ER 8 SLIM LOCKNUT

Zoro # G3586464
Mfr # LER08M
product price:  $110.99
/ea
Newport Fasteners Nylon Insert Lock Nut, 1/2"-13, Steel, Zinc Plated, 1000 PK NB305172B-1000
Newport Fasteners

Nylon Insert Lock Nut, 1/2"-13, Steel, Zinc Plated, 1000 PK

Zoro # G506331926
Mfr # NB305172B-1000
product price:  $288.99
/pk 1000, $0.29/ea
Lock Nuts (9,500+ items) - Page 249
  • First
  • Previous
  • 249
    of 275 pages
  • Next
  • Last

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 NutsWing NutsCoupling NutsGeneral Washers
Hex Head Cap ScrewsSocket Head Cap ScrewsMachine ScrewsLock WashersSelf-Tapping Screws
10-24 washer10-32 nylon nut10-24 nylon1 1 2 lock nut10-24 lock nut
10-32 stainless nut10-24 nylock10-24 nylon lock nut10-32 washer10-32 lock nuts

Sign Up & 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
  • Promo Codes
  • Sitemap
  • Track My Order

Services

  • Customer Service
  • FAQs
  • Net 30 Terms
  • Reseller Program
  • Sell on Zoro
  • Participate in Research

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