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  7. Lock Nuts

Lock Nuts (10,000+ items) - Page 250

X1 Tools 3/8-16 Performance Black-Corrosion-Resistant-Coated Steel Nylon-Insert Locknuts, 100PK X1E-FAS-NUT-LOC-2022x100
X1 Tools

3/8-16 Performance Black-Corrosion-Resistant-Coated Steel Nylon-Insert Locknuts, 100PK

Zoro # G622847226
Mfr # X1E-FAS-NUT-LOC-2022x100
product price: 
$423.99
/pk 100, $4.24/ea
X1 Tools 7/8-9 Corrosion-Resistant 18-8 Stainless Steel Thin-Profile Nylon-Insert Locknuts, 400PK X1E-FAS-NUT-LOC-3750x400
X1 Tools

7/8-9 Corrosion-Resistant 18-8 Stainless Steel Thin-Profile Nylon-Insert Locknuts, 400PK

Zoro # G722847638
Mfr # X1E-FAS-NUT-LOC-3750x400
product price: 
$7,992.99
/pk 400, $19.98/ea
X1 Tools 3/8-24 Corrosion-Resistant 18-8 Stainless Steel Thin-Profile Nylon-Insert Locknuts X1E-FAS-NUT-LOC-3730x1
X1 Tools

3/8-24 Corrosion-Resistant 18-8 Stainless Steel Thin-Profile Nylon-Insert Locknuts

Zoro # G022848090
Mfr # X1E-FAS-NUT-LOC-3730x1
product price: 
$1.19
/ea
Sold in mult. of 8 for $9.52
X1 Tools 7/16-14 Corrosion-Resistant 316 Stainless Steel Thin-Profile Nylon-Insert Locknuts, 20PK X1E-FAS-NUT-LOC-3926x20
X1 Tools

7/16-14 Corrosion-Resistant 316 Stainless Steel Thin-Profile Nylon-Insert Locknuts, 20PK

Zoro # G722855442
Mfr # X1E-FAS-NUT-LOC-3926x20
product price: 
$41.95
/pk 20, $2.10/ea
X1 Tools 1/2-20 Ultra Hi Performance Black-Oxide Steel Nylon-Insert Locknuts, 120PK X1E-FAS-NUT-LOC-1228x120
X1 Tools

1/2-20 Ultra Hi Performance Black-Oxide Steel Nylon-Insert Locknuts, 120PK

Zoro # G922844338
Mfr # X1E-FAS-NUT-LOC-1228x120
product price: 
$178.99
/pk 120, $1.49/ea
Newport Fasteners Nylon Insert Lock Nut, 1-1/2"-6, Steel, Grade A, Zinc Plated, 40 PK 353785-BR-40
Newport Fasteners

Nylon Insert Lock Nut, 1-1/2"-6, Steel, Grade A, Zinc Plated, 40 PK

Zoro # G006327801
Mfr # 353785-BR-40
product price: 
$755.99
/pk 40, $18.90/ea
X1 Tools 7/8-14 UHP Black-Oxide Grade 8 Steel Thin-Profile Nylon-Insert Locknuts, 8PK X1E-FAS-NUT-LOC-3234x8
X1 Tools

7/8-14 UHP Black-Oxide Grade 8 Steel Thin-Profile Nylon-Insert Locknuts, 8PK

Zoro # G422845309
Mfr # X1E-FAS-NUT-LOC-3234x8
product price: 
$100.99
/pk 8, $12.62/ea
X1 Tools 5/16-18 Performance Black-Corrosion-Resistant-Coated Steel Thin-Profile Nylon-Insert Locknuts, 100PK X1E-FAS-NUT-LOC-3620x100
X1 Tools

5/16-18 Performance Black-Corrosion-Resistant-Coated Steel Thin-Profile Nylon-Insert Locknuts, 100PK

Zoro # G122847924
Mfr # X1E-FAS-NUT-LOC-3620x100
product price: 
$415.99
/pk 100, $4.16/ea
X1 Tools 7/16-14 Corrosion-Resistant 316 Stainless Steel Thin-Profile Nylon-Insert Locknuts, 2PK X1E-FAS-NUT-LOC-3926x2
X1 Tools

7/16-14 Corrosion-Resistant 316 Stainless Steel Thin-Profile Nylon-Insert Locknuts, 2PK

Zoro # G122867847
Mfr # X1E-FAS-NUT-LOC-3926x2
product price: 
$5.15
/pk 2, $2.58/ea
Sold in mult. of 2 for $10.30
X1 Tools 1/2-13 Black-Oxide C.R. 18-8 Stainless Steel Nylon-Insert Locknuts, 50PK X1E-FAS-NUT-LOC-2248x50
X1 Tools

1/2-13 Black-Oxide C.R. 18-8 Stainless Steel Nylon-Insert Locknuts, 50PK

Zoro # G822852792
Mfr # X1E-FAS-NUT-LOC-2248x50
product price: 
$154.99
/pk 50, $3.10/ea
X1 Tools 7/16-14 Corrosion-Resistant 316 Stainless Steel Nylon-Insert Locknuts, 120PK X1E-FAS-NUT-LOC-2336x120
X1 Tools

7/16-14 Corrosion-Resistant 316 Stainless Steel Nylon-Insert Locknuts, 120PK

Zoro # G322845393
Mfr # X1E-FAS-NUT-LOC-2336x120
product price: 
$160.99
/pk 120, $1.34/ea
X1 Tools 9/16-18 Corrosion-Resistant 18-8 Stainless Steel Nylon-Insert Locknuts, 10PK X1E-FAS-NUT-LOC-2136x10
X1 Tools

9/16-18 Corrosion-Resistant 18-8 Stainless Steel Nylon-Insert Locknuts, 10PK

Zoro # G322850823
Mfr # X1E-FAS-NUT-LOC-2136x10
product price: 
$55.69
/pk 10, $5.57/ea
X1 Tools 10-32 Corrosion-Resistant 316 Stainless Steel Nylon-Insert Locknuts, 4PK X1E-FAS-NUT-LOC-2320x4
X1 Tools

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

Zoro # G122865713
Mfr # X1E-FAS-NUT-LOC-2320x4
product price: 
$1.79
/pk 4, $0.45/ea
Sold in mult. of 5 for $8.95
X1 Tools 3/8-24 Corrosion-Resistant 316 Stainless Steel Thin-Profile Nylon-Insert Locknuts, 8PK X1E-FAS-NUT-LOC-3924x8
X1 Tools

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

Zoro # G422846832
Mfr # X1E-FAS-NUT-LOC-3924x8
product price: 
$15.39
/pk 8, $1.92/ea
X1 Tools 1/2-20 UHP Black-Oxide Grade 8 Steel Thin-Profile Nylon-Insert Locknuts, 4PK X1E-FAS-NUT-LOC-3226x4
X1 Tools

1/2-20 UHP Black-Oxide Grade 8 Steel Thin-Profile Nylon-Insert Locknuts, 4PK

Zoro # G722861870
Mfr # X1E-FAS-NUT-LOC-3226x4
product price: 
$19.69
/pk 4, $4.92/ea
X1 Tools 5/16-18 Corrosion-Resistant 316 Stainless Steel Thin-Profile Nylon-Insert Locknuts, 75PK X1E-FAS-NUT-LOC-3918x75
X1 Tools

5/16-18 Corrosion-Resistant 316 Stainless Steel Thin-Profile Nylon-Insert Locknuts, 75PK

Zoro # G622865305
Mfr # X1E-FAS-NUT-LOC-3918x75
product price: 
$68.59
/pk 75, $0.91/ea
Oxoxo 3/4-16 Stover Alternative Automation Style Lock Nut Grade C Cad And Wax, 100PK 214818
Oxoxo

3/4-16 Stover Alternative Automation Style Lock Nut Grade C Cad And Wax, 100PK

Zoro # G322677499
Mfr # 214818
product price: 
$210.99
/pk 100, $2.11/ea
Zoro Select Lock Nut, 7/8"-14, Steel, Grade C, Wax, 0.45 in Ht, 50 PK 88NO
Zoro Select

Lock Nut, 7/8"-14, Steel, Grade C, Wax, 0.45 in Ht, 50 PK

Zoro # G2447083
Mfr # 88NO
product price: 
$131.99
/pk 50, $2.64/ea
X1 Tools 1 1/4-12 UHP Yellow Zinc Plated Grade 8 Steel Thin-Profile Nylon-Insert Locknuts, 500PK X1E-FAS-NUT-LOC-3040x500
X1 Tools

1 1/4-12 UHP Yellow Zinc Plated Grade 8 Steel Thin-Profile Nylon-Insert Locknuts, 500PK

Zoro # G122858456
Mfr # X1E-FAS-NUT-LOC-3040x500
product price: 
$14,497.99
/pk 500, $29.00/ea
X1 Tools 5/16-18 Black-Oxide C.R. 18-8 Stainless Steel Nylon-Insert Locknuts, 150PK X1E-FAS-NUT-LOC-2236x150
X1 Tools

5/16-18 Black-Oxide C.R. 18-8 Stainless Steel Nylon-Insert Locknuts, 150PK

Zoro # G122845586
Mfr # X1E-FAS-NUT-LOC-2236x150
product price: 
$107.99
/pk 150, $0.72/ea
Oxoxo 1/4-20 Non Serrated Regular Flange Center Locknut Grade F Zinc, 3000PK 522303
Oxoxo

1/4-20 Non Serrated Regular Flange Center Locknut Grade F Zinc, 3000PK

Zoro # G922676557
Mfr # 522303
product price: 
$621.99
/pk 3000, $0.21/ea
Oxoxo M8-1.25 Din 985 Metric Nylon Insert Hex Locknut 18 8 Stainless Steel, 1500PK 540890
Oxoxo

M8-1.25 Din 985 Metric Nylon Insert Hex Locknut 18 8 Stainless Steel, 1500PK

Zoro # G322686286
Mfr # 540890
product price: 
$252.99
/pk 1500, $0.17/ea
X1 Tools 1/4-20 Corrosion-Resistant 316 Stainless Steel Nylon-Insert Locknuts, 200PK X1E-FAS-NUT-LOC-2324x200
X1 Tools

1/4-20 Corrosion-Resistant 316 Stainless Steel Nylon-Insert Locknuts, 200PK

Zoro # G222847299
Mfr # X1E-FAS-NUT-LOC-2324x200
product price: 
$80.95
/pk 200, $0.40/ea
X1 Tools 1/4-20 Performance Black-Corrosion-Resistant-Coated Steel Nylon-Insert Locknuts, 500PK X1E-FAS-NUT-LOC-2018x500
X1 Tools

1/4-20 Performance Black-Corrosion-Resistant-Coated Steel Nylon-Insert Locknuts, 500PK

Zoro # G122856599
Mfr # X1E-FAS-NUT-LOC-2018x500
product price: 
$1,838.99
/pk 500, $3.68/ea
Newport Fasteners Nylon Insert Lock Nut, #5-40, Steel, Grade A, Zinc Plated, 100 PK 731088-PR-100
Newport Fasteners

Nylon Insert Lock Nut, #5-40, Steel, Grade A, Zinc Plated, 100 PK

Zoro # G906329790
Mfr # 731088-PR-100
product price: 
$42.55
/pk 100, $0.43/ea
X1 Tools 5/8-18 Performance Zinc-Plated Steel Nylon-Insert Locknuts, 500PK X1E-FAS-NUT-LOC-1954x500
X1 Tools

5/8-18 Performance Zinc-Plated Steel Nylon-Insert Locknuts, 500PK

Zoro # G622848308
Mfr # X1E-FAS-NUT-LOC-1954x500
product price: 
$651.99
/pk 500, $1.30/ea
X1 Tools 3/4-16 Ultra Hi Performance Black-Oxide Steel Nylon-Insert Locknuts, 12PK X1E-FAS-NUT-LOC-1240x12
X1 Tools

3/4-16 Ultra Hi Performance Black-Oxide Steel Nylon-Insert Locknuts, 12PK

Zoro # G622851391
Mfr # X1E-FAS-NUT-LOC-1240x12
product price: 
$53.75
/pk 12, $4.48/ea
X1 Tools 3/8-24 Ultra Hi Performance Black-Oxide Steel Nylon-Insert Locknuts, 4PK X1E-FAS-NUT-LOC-1220x4
X1 Tools

3/8-24 Ultra Hi Performance Black-Oxide Steel Nylon-Insert Locknuts, 4PK

Zoro # G722851727
Mfr # X1E-FAS-NUT-LOC-1220x4
product price: 
$4.49
/pk 4, $1.12/ea
Sold in mult. of 2 for $8.98
X1 Tools 1/4-20 Performance Black-Corrosion-Resistant-Coated Steel Thin-Profile Nylon-Insert Locknuts, 8PK X1E-FAS-NUT-LOC-3618x8
X1 Tools

1/4-20 Performance Black-Corrosion-Resistant-Coated Steel Thin-Profile Nylon-Insert Locknuts, 8PK

Zoro # G522864996
Mfr # X1E-FAS-NUT-LOC-3618x8
product price: 
$38.15
/pk 8, $4.77/ea
Zoro Select Lock Nut, Steel, 13/64", PK10 FLHNFI043CAD-010P
Zoro Select

Lock Nut, Steel, 13/64", PK10

Zoro # G422963799
Mfr # FLHNFI043CAD-010P
product price: 
$20.29
/pk 10, $2.03/ea
X1 Tools 7/16-14 Corrosion-Resistant 316 Stainless Steel Nylon-Insert Locknuts, 150PK X1E-FAS-NUT-LOC-2336x150
X1 Tools

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

Zoro # G822854499
Mfr # X1E-FAS-NUT-LOC-2336x150
product price: 
$196.99
/pk 150, $1.31/ea
X1 Tools 1/4-20 UHP Black-Oxide Grade 8 Steel Thin-Profile Nylon-Insert Locknuts, 8PK X1E-FAS-NUT-LOC-3210x8
X1 Tools

1/4-20 UHP Black-Oxide Grade 8 Steel Thin-Profile Nylon-Insert Locknuts, 8PK

Zoro # G322845065
Mfr # X1E-FAS-NUT-LOC-3210x8
product price: 
$14.19
/pk 8, $1.77/ea
Zoro Select Lock Nut, 3/8"-16, Nylon, Zinc Plated, 0.335 in Ht, 400 PK 37NSH
Zoro Select

Lock Nut, 3/8"-16, Nylon, Zinc Plated, 0.335 in Ht, 400 PK

Zoro # G2450680
Mfr # 37NSH
product price: 
$144.99
/pk 400, $0.36/ea
X1 Tools 1/4-20 Black-Oxide Corrosion-Resistant 18-8 Stainless Steel Thin-Profile Nylon-Insert Locknuts, 25PK X1E-FAS-NUT-LOC-3820x25
X1 Tools

1/4-20 Black-Oxide Corrosion-Resistant 18-8 Stainless Steel Thin-Profile Nylon-Insert Locknuts, 25PK

Zoro # G322865063
Mfr # X1E-FAS-NUT-LOC-3820x25
product price: 
$25.59
/pk 25, $1.02/ea
Standard Locknut Bearing Lock Nut, Steel KM14
Standard Locknut

Bearing Lock Nut, Steel

Zoro # G022964042
Mfr # KM14
product price: 
$40.69
/ea
X1 Tools 1 1/4-12 UHP Black-Oxide Grade 8 Steel Thin-Profile Nylon-Insert Locknuts, 2PK X1E-FAS-NUT-LOC-3238x2
X1 Tools

1 1/4-12 UHP Black-Oxide Grade 8 Steel Thin-Profile Nylon-Insert Locknuts, 2PK

Zoro # G222856246
Mfr # X1E-FAS-NUT-LOC-3238x2
product price: 
$64.65
/pk 2, $32.33/ea
Lock Nuts (10,000+ items) - Page 250
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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 NutsWing NutsGeneral Washers
Hex Head Cap ScrewsSocket Head Cap ScrewsMachine ScrewsLock WashersSelf-Tapping Screws
1/2" flange lock nut3/8-16 nuts stainless steellock nut 5/16-181/4" locking nutnylon insert hex nut
5/16-24 nutsnylon-insert locknutsn-10 lock nut5/16-18 nylon locking nut10mm nuts

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