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  7. Lock Nuts

Lock Nuts (10,000+ items) - Page 149

Oxoxo 9/16-12 Serrated Flange Hex Lock Nuts Case Hardened HR15N 78/90 Black Zinc and Bake, 150PK 607333
Oxoxo

9/16-12 Serrated Flange Hex Lock Nuts Case Hardened HR15N 78/90 Black Zinc and Bake, 150PK

Zoro # G022691412
Mfr # 607333
product price: 
$415.99
/pk 150, $2.77/ea
Oxoxo M4-0.70 Din 985 Metric Class 8 Nylon Insert Hex Locknut Zinc, 2000PK 278232
Oxoxo

M4-0.70 Din 985 Metric Class 8 Nylon Insert Hex Locknut Zinc, 2000PK

Zoro # G322682417
Mfr # 278232
product price: 
$59.39
/pk 2000, $0.03/ea
X1 Tools 5/8-18 Ultra H.P. Yellow Zinc Plated Grade 8 Steel Nylon-Insert Locknuts, 75PK X1E-FAS-NUT-LOC-1036x75
X1 Tools

5/8-18 Ultra H.P. Yellow Zinc Plated Grade 8 Steel Nylon-Insert Locknuts, 75PK

Zoro # G022851984
Mfr # X1E-FAS-NUT-LOC-1036x75
product price: 
$220.99
/pk 75, $2.95/ea
X1 Tools 1/4-20 Ultra H.P. Yellow Zinc Plated Grade 8 Steel Nylon-Insert Locknuts, 1000PK X1E-FAS-NUT-LOC-1010x1000
X1 Tools

1/4-20 Ultra H.P. Yellow Zinc Plated Grade 8 Steel Nylon-Insert Locknuts, 1000PK

Zoro # G822844360
Mfr # X1E-FAS-NUT-LOC-1010x1000
product price: 
$441.99
/pk 1000, $0.44/ea
X1 Tools 1 1/8-7 Corrosion-Resistant 18-8 Stainless Steel Thin-Profile Nylon-Insert Locknuts, 1000PK X1E-FAS-NUT-LOC-3758x1000
X1 Tools

1 1/8-7 Corrosion-Resistant 18-8 Stainless Steel Thin-Profile Nylon-Insert Locknuts, 1000PK

Zoro # G322847496
Mfr # X1E-FAS-NUT-LOC-3758x1000
product price: 
$36,343.99
/pk 1000, $36.34/ea
X1 Tools 6-32 Performance Black-Corrosion-Resistant-Coated Steel Nylon-Insert Locknuts, 500PK X1E-FAS-NUT-LOC-2010x500
X1 Tools

6-32 Performance Black-Corrosion-Resistant-Coated Steel Nylon-Insert Locknuts, 500PK

Zoro # G122844794
Mfr # X1E-FAS-NUT-LOC-2010x500
product price: 
$1,688.99
/pk 500, $3.38/ea
X1 Tools 1 1/8-7 Hi Performance Zinc-Plated Steel Thin-Profile Nylon-Insert Locknuts, 50PK X1E-FAS-NUT-LOC-3324x50
X1 Tools

1 1/8-7 Hi Performance Zinc-Plated Steel Thin-Profile Nylon-Insert Locknuts, 50PK

Zoro # G322865926
Mfr # X1E-FAS-NUT-LOC-3324x50
product price: 
$1,774.99
/pk 50, $35.50/ea
X1 Tools 8-32 Performance Black-Corrosion-Resistant-Coated Steel Thin-Profile Nylon-Insert Locknuts, 1000PK X1E-FAS-NUT-LOC-3612x1000
X1 Tools

8-32 Performance Black-Corrosion-Resistant-Coated Steel Thin-Profile Nylon-Insert Locknuts, 1000PK

Zoro # G122849775
Mfr # X1E-FAS-NUT-LOC-3612x1000
product price: 
$3,301.99
/pk 1000, $3.30/ea
X1 Tools 5/8-18 Corrosion-Resistant 18-8 Stainless Steel Nylon-Insert Locknuts, 4PK X1E-FAS-NUT-LOC-2138x4
X1 Tools

5/8-18 Corrosion-Resistant 18-8 Stainless Steel Nylon-Insert Locknuts, 4PK

Zoro # G922867610
Mfr # X1E-FAS-NUT-LOC-2138x4
product price: 
$18.79
/pk 4, $4.70/ea
Oxoxo M10-1.5 Din 6927 Metric Top Lock Flange Nut Class 10 Black Phosphate and Oil, 1000PK 537345
Oxoxo

M10-1.5 Din 6927 Metric Top Lock Flange Nut Class 10 Black Phosphate and Oil, 1000PK

Zoro # G922680196
Mfr # 537345
product price: 
$531.99
/pk 1000, $0.53/ea
X1 Tools 5/16-24 Corrosion-Resistant 316 Stainless Steel Nylon-Insert Locknuts, 200PK X1E-FAS-NUT-LOC-2330x200
X1 Tools

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

Zoro # G422845101
Mfr # X1E-FAS-NUT-LOC-2330x200
product price: 
$124.99
/pk 200, $0.62/ea
X1 Tools 1/4-28 Corrosion-Resistant 316 Stainless Steel Nylon-Insert Locknuts, 250PK X1E-FAS-NUT-LOC-2326x250
X1 Tools

1/4-28 Corrosion-Resistant 316 Stainless Steel Nylon-Insert Locknuts, 250PK

Zoro # G322856948
Mfr # X1E-FAS-NUT-LOC-2326x250
product price: 
$106.99
/pk 250, $0.43/ea
X1 Tools 7/16-14 Performance Zinc-Plated Steel Nylon-Insert Locknuts, 2PK X1E-FAS-NUT-LOC-1940x2
X1 Tools

7/16-14 Performance Zinc-Plated Steel Nylon-Insert Locknuts, 2PK

Zoro # G722854452
Mfr # X1E-FAS-NUT-LOC-1940x2
product price: 
$1.19
/pk 2, $0.60/ea
Sold in mult. of 8 for $9.52
X1 Tools 3/4-16 Hi Performance Zinc-Plated Steel Thin-Profile Nylon-Insert Locknuts, 75PK X1E-FAS-NUT-LOC-3316x75
X1 Tools

3/4-16 Hi Performance Zinc-Plated Steel Thin-Profile Nylon-Insert Locknuts, 75PK

Zoro # G322866138
Mfr # X1E-FAS-NUT-LOC-3316x75
product price: 
$174.99
/pk 75, $2.33/ea
Newport Fasteners Nylon Insert Lock Nut, 1-1/4"-7, Steel, Grade A, Zinc Plated, 150 PK 120348-BR-150
Newport Fasteners

Nylon Insert Lock Nut, 1-1/4"-7, Steel, Grade A, Zinc Plated, 150 PK

Zoro # G406327883
Mfr # 120348-BR-150
product price: 
$920.99
/pk 150, $6.14/ea
Oxoxo 5/16-18 Conical K Keps Lock Nut Zinc and Bake, 2000PK 501233
Oxoxo

5/16-18 Conical K Keps Lock Nut Zinc and Bake, 2000PK

Zoro # G522671839
Mfr # 501233
product price: 
$539.99
/pk 2000, $0.27/ea
Newport Fasteners Nylon Insert Lock Nut, 9/16"-18, Steel, Grade A, Zinc Plated, 800 PK 699742-BR-800
Newport Fasteners

Nylon Insert Lock Nut, 9/16"-18, Steel, Grade A, Zinc Plated, 800 PK

Zoro # G306329659
Mfr # 699742-BR-800
product price: 
$516.99
/pk 800, $0.65/ea
X1 Tools 1/2-20 Black-Oxide C.R. 18-8 Stainless Steel Nylon-Insert Locknuts, 400PK X1E-FAS-NUT-LOC-2250x400
X1 Tools

1/2-20 Black-Oxide C.R. 18-8 Stainless Steel Nylon-Insert Locknuts, 400PK

Zoro # G522849399
Mfr # X1E-FAS-NUT-LOC-2250x400
product price: 
$2,588.99
/pk 400, $6.47/ea
X1 Tools 5-40 Performance Zinc-Plated Steel Thin-Profile Nylon-Insert Locknuts, 2PK X1E-FAS-NUT-LOC-3414x2
X1 Tools

5-40 Performance Zinc-Plated Steel Thin-Profile Nylon-Insert Locknuts, 2PK

Zoro # G822860483
Mfr # X1E-FAS-NUT-LOC-3414x2
product price: 
$0.77
/pk 2, $0.39/ea
Sold in mult. of 12 for $9.24
X1 Tools 2-56 Performance Zinc-Plated Steel Thin-Profile Nylon-Insert Locknuts, 50PK X1E-FAS-NUT-LOC-3410x50
X1 Tools

2-56 Performance Zinc-Plated Steel Thin-Profile Nylon-Insert Locknuts, 50PK

Zoro # G022848458
Mfr # X1E-FAS-NUT-LOC-3410x50
product price: 
$28.75
/pk 50, $0.58/ea
X1 Tools 3/8-24 Performance Zinc-Plated Steel Nylon-Insert Locknuts, 2PK X1E-FAS-NUT-LOC-1938x2
X1 Tools

3/8-24 Performance Zinc-Plated Steel Nylon-Insert Locknuts, 2PK

Zoro # G522844943
Mfr # X1E-FAS-NUT-LOC-1938x2
product price: 
$1.15
/pk 2, $0.58/ea
Sold in mult. of 9 for $10.35
X1 Tools 3/4-16 Ultra Hi Performance Black-Oxide Steel Nylon-Insert Locknuts, 2PK X1E-FAS-NUT-LOC-1240x2
X1 Tools

3/4-16 Ultra Hi Performance Black-Oxide Steel Nylon-Insert Locknuts, 2PK

Zoro # G122856407
Mfr # X1E-FAS-NUT-LOC-1240x2
product price: 
$13.49
/pk 2, $6.75/ea
X1 Tools 1-14 Corrosion-Resistant 18-8 Stainless Steel Nylon-Insert Locknuts, 50PK X1E-FAS-NUT-LOC-2145x50
X1 Tools

1-14 Corrosion-Resistant 18-8 Stainless Steel Nylon-Insert Locknuts, 50PK

Zoro # G822852020
Mfr # X1E-FAS-NUT-LOC-2145x50
product price: 
$799.99
/pk 50, $16.00/ea
X1 Tools 1/2-20 Corrosion-Resistant 18-8 Stainless Steel Thin-Profile Nylon-Insert Locknuts, 6PK X1E-FAS-NUT-LOC-3738x6
X1 Tools

1/2-20 Corrosion-Resistant 18-8 Stainless Steel Thin-Profile Nylon-Insert Locknuts, 6PK

Zoro # G022851397
Mfr # X1E-FAS-NUT-LOC-3738x6
product price: 
$17.19
/pk 6, $2.87/ea
X1 Tools 7/8-14 Corrosion-Resistant 18-8 Stainless Steel Thin-Profile Nylon-Insert Locknuts, 15PK X1E-FAS-NUT-LOC-3752x15
X1 Tools

7/8-14 Corrosion-Resistant 18-8 Stainless Steel Thin-Profile Nylon-Insert Locknuts, 15PK

Zoro # G322856320
Mfr # X1E-FAS-NUT-LOC-3752x15
product price: 
$538.99
/pk 15, $35.93/ea
X1 Tools 5/16-18 Performance Zinc-Plated Steel Thin-Profile Nylon-Insert Locknuts, 10PK X1E-FAS-NUT-LOC-3430x10
X1 Tools

5/16-18 Performance Zinc-Plated Steel Thin-Profile Nylon-Insert Locknuts, 10PK

Zoro # G722854018
Mfr # X1E-FAS-NUT-LOC-3430x10
product price: 
$2.35
/pk 10, $0.24/ea
Sold in mult. of 4 for $9.40
Oxoxo 3/8-16 NE Nylon Insert Hex Lock Nut 18 8 Stainless Steel Black Oxide and Oil, 500PK 439305
Oxoxo

3/8-16 NE Nylon Insert Hex Lock Nut 18 8 Stainless Steel Black Oxide and Oil, 500PK

Zoro # G622683541
Mfr # 439305
product price: 
$360.99
/pk 500, $0.72/ea
X1 Tools 12-24 Performance Zinc-Plated Steel Nylon-Insert Locknuts, 250PK X1E-FAS-NUT-LOC-1926x250
X1 Tools

12-24 Performance Zinc-Plated Steel Nylon-Insert Locknuts, 250PK

Zoro # G622850875
Mfr # X1E-FAS-NUT-LOC-1926x250
product price: 
$41.35
/pk 250, $0.17/ea
X1 Tools 3/8-24 Corrosion-Resistant 18-8 Stainless Steel Thin-Profile Nylon-Insert Locknuts, 500PK X1E-FAS-NUT-LOC-3730x500
X1 Tools

3/8-24 Corrosion-Resistant 18-8 Stainless Steel Thin-Profile Nylon-Insert Locknuts, 500PK

Zoro # G022863284
Mfr # X1E-FAS-NUT-LOC-3730x500
product price: 
$272.99
/pk 500, $0.55/ea
X1 Tools 1/2-20 UHP Yellow Zinc Plated Grade 8 Steel Thin-Profile Nylon-Insert Locknuts, 500PK X1E-FAS-NUT-LOC-3028x500
X1 Tools

1/2-20 UHP Yellow Zinc Plated Grade 8 Steel Thin-Profile Nylon-Insert Locknuts, 500PK

Zoro # G922848015
Mfr # X1E-FAS-NUT-LOC-3028x500
product price: 
$1,498.99
/pk 500, $3.00/ea
X1 Tools 5/8-18 Corrosion-Resistant 18-8 Stainless Steel Nylon-Insert Locknuts, 50PK X1E-FAS-NUT-LOC-2138x50
X1 Tools

5/8-18 Corrosion-Resistant 18-8 Stainless Steel Nylon-Insert Locknuts, 50PK

Zoro # G122854199
Mfr # X1E-FAS-NUT-LOC-2138x50
product price: 
$170.99
/pk 50, $3.42/ea
X1 Tools 1 1/8-7 Hi Performance Zinc-Plated Steel Thin-Profile Nylon-Insert Locknuts, 6PK X1E-FAS-NUT-LOC-3324x6
X1 Tools

1 1/8-7 Hi Performance Zinc-Plated Steel Thin-Profile Nylon-Insert Locknuts, 6PK

Zoro # G322848738
Mfr # X1E-FAS-NUT-LOC-3324x6
product price: 
$225.99
/pk 6, $37.67/ea
X1 Tools 7/8-9 Performance Zinc-Plated Steel Thin-Profile Nylon-Insert Locknuts, 100PK X1E-FAS-NUT-LOC-3458x100
X1 Tools

7/8-9 Performance Zinc-Plated Steel Thin-Profile Nylon-Insert Locknuts, 100PK

Zoro # G022855661
Mfr # X1E-FAS-NUT-LOC-3458x100
product price: 
$365.99
/pk 100, $3.66/ea
X1 Tools 10-24 Performance Zinc-Plated Steel Nylon-Insert Locknuts, 500PK X1E-FAS-NUT-LOC-1922x500
X1 Tools

10-24 Performance Zinc-Plated Steel Nylon-Insert Locknuts, 500PK

Zoro # G222860298
Mfr # X1E-FAS-NUT-LOC-1922x500
product price: 
$60.89
/pk 500, $0.12/ea
X1 Tools 7/16-20 Performance Zinc-Plated Steel Nylon-Insert Locknuts, 1000PK X1E-FAS-NUT-LOC-1942x1000
X1 Tools

7/16-20 Performance Zinc-Plated Steel Nylon-Insert Locknuts, 1000PK

Zoro # G922854610
Mfr # X1E-FAS-NUT-LOC-1942x1000
product price: 
$350.99
/pk 1000, $0.35/ea
X1 Tools 5/8-18 UHP Yellow Zinc Plated Grade 8 Steel Thin-Profile Nylon-Insert Locknuts, 1000PK X1E-FAS-NUT-LOC-3032x1000
X1 Tools

5/8-18 UHP Yellow Zinc Plated Grade 8 Steel Thin-Profile Nylon-Insert Locknuts, 1000PK

Zoro # G622867316
Mfr # X1E-FAS-NUT-LOC-3032x1000
product price: 
$4,454.99
/pk 1000, $4.45/ea
Lock Nuts (10,000+ items) - Page 149
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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 NutsCap Nuts & Acorn NutsGeneral Washers
Hex Head Cap ScrewsSocket Head Cap ScrewsMachine ScrewsLock WashersSelf-Tapping Screws
3/4 lock nuts1/2" flange lock nut1/4 npt locknuts3/8-16 ss nuts1/4" locking nut
5/16-18 nylon locking nutdistorted lock nutn-10 lock nut2 inch locknut1" lock nuts

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