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  7. Lock Nuts

Lock Nuts (10,000+ items) - Page 101

X1 Tools 5/8-11 Hi Performance Zinc-Plated Steel Thin-Profile Nylon-Insert Locknuts, 12PK X1E-FAS-NUT-LOC-3310x12
X1 Tools

5/8-11 Hi Performance Zinc-Plated Steel Thin-Profile Nylon-Insert Locknuts, 12PK

Zoro # G522858025
Mfr # X1E-FAS-NUT-LOC-3310x12
product price:  $73.89
/pk 12, $6.16/ea
X1 Tools 12-24 Performance Zinc-Plated Steel Thin-Profile Nylon-Insert Locknuts, 12PK X1E-FAS-NUT-LOC-3424x12
X1 Tools

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

Zoro # G622856853
Mfr # X1E-FAS-NUT-LOC-3424x12
product price:  $2.95
/pk 12, $0.25/ea
X1 Tools M5 x 0.8 mm Performance Zinc-Plated Steel Nylon-Insert Locknuts, 8PK X1E-FAS-NUT-LOC-1974x8
X1 Tools

M5 x 0.8 mm Performance Zinc-Plated Steel Nylon-Insert Locknuts, 8PK

Zoro # G022853551
Mfr # X1E-FAS-NUT-LOC-1974x8
product price:  $1.75
/pk 8, $0.22/ea
X1 Tools 7/8-14 Performance Zinc-Plated Steel Nylon-Insert Locknuts, 20PK X1E-FAS-NUT-LOC-1962x20
X1 Tools

7/8-14 Performance Zinc-Plated Steel Nylon-Insert Locknuts, 20PK

Zoro # G522863258
Mfr # X1E-FAS-NUT-LOC-1962x20
product price:  $78.45
/pk 20, $3.92/ea
Newport Fasteners Serrated Lock Nut, M16-2.00, Steel, Class 8, Zinc Plated, 300 PK 238755-BR-300
Newport Fasteners

Serrated Lock Nut, M16-2.00, Steel, Class 8, Zinc Plated, 300 PK

Zoro # G706308551
Mfr # 238755-BR-300
product price:  $340.99
/pk 300, $1.14/ea
X1 Tools 5/8-11 UHP Yellow Zinc Plated Grade 8 Steel Thin-Profile Nylon-Insert Locknuts, 1000PK X1E-FAS-NUT-LOC-3030x1000
X1 Tools

5/8-11 UHP Yellow Zinc Plated Grade 8 Steel Thin-Profile Nylon-Insert Locknuts, 1000PK

Zoro # G122863467
Mfr # X1E-FAS-NUT-LOC-3030x1000
product price:  $2,338.99
/pk 1000, $2.34/ea
X1 Tools 1/4-20 Corrosion-Resistant 316 Stainless Steel Thin-Profile Nylon-Insert Locknuts, 15PK X1E-FAS-NUT-LOC-3914x15
X1 Tools

1/4-20 Corrosion-Resistant 316 Stainless Steel Thin-Profile Nylon-Insert Locknuts, 15PK

Zoro # G722847492
Mfr # X1E-FAS-NUT-LOC-3914x15
product price:  $16.15
/pk 15, $1.08/ea
X1 Tools 5/8-11 UHP Yellow Zinc Plated Grade 8 Steel Thin-Profile Nylon-Insert Locknuts, 25PK X1E-FAS-NUT-LOC-3030x25
X1 Tools

5/8-11 UHP Yellow Zinc Plated Grade 8 Steel Thin-Profile Nylon-Insert Locknuts, 25PK

Zoro # G022863376
Mfr # X1E-FAS-NUT-LOC-3030x25
product price:  $50.85
/pk 25, $2.03/ea
X1 Tools 1 1/4-12 Ultra H.P. Yellow Zinc Plated Grade 8 Steel Nylon-Insert Locknuts, 250PK X1E-FAS-NUT-LOC-1060x250
X1 Tools

1 1/4-12 Ultra H.P. Yellow Zinc Plated Grade 8 Steel Nylon-Insert Locknuts, 250PK

Zoro # G522849306
Mfr # X1E-FAS-NUT-LOC-1060x250
product price:  $11,143.99
/pk 250, $44.58/ea
X1 Tools 3/8-16 Black-Oxide Corrosion-Resistant 18-8 Stainless Steel Thin-Profile Nylon-Insert Locknuts X1E-FAS-NUT-LOC-3824x1
X1 Tools

3/8-16 Black-Oxide Corrosion-Resistant 18-8 Stainless Steel Thin-Profile Nylon-Insert Locknuts

Zoro # G922867818
Mfr # X1E-FAS-NUT-LOC-3824x1
product price:  $1.99
/ea
Oxoxo M12-1.75 Din6926/ISO7043 Metric class 8 Prevail Torque Nylon Insert Hex Flange Lock Nut Z, 500PK 544180
Oxoxo

M12-1.75 Din6926/ISO7043 Metric class 8 Prevail Torque Nylon Insert Hex Flange Lock Nut Z, 500PK

Zoro # G622664205
Mfr # 544180
product price:  $362.99
/pk 500, $0.73/ea
Oxoxo 1/2-13 Stover Alternative Lock Nut Grade B Cad And Wax, 300PK 499011
Oxoxo

1/2-13 Stover Alternative Lock Nut Grade B Cad And Wax, 300PK

Zoro # G922685344
Mfr # 499011
product price:  $166.99
/pk 300, $0.56/ea
Oxoxo M12-1.75 Din 6927 Metric Top Lock Flange Nut Class 10 Black Phosphate and Oil, 600PK 537352
Oxoxo

M12-1.75 Din 6927 Metric Top Lock Flange Nut Class 10 Black Phosphate and Oil, 600PK

Zoro # G222663103
Mfr # 537352
product price:  $482.99
/pk 600, $0.80/ea
X1 Tools 5/16-24 Performance Zinc-Plated Steel Thin-Profile Nylon-Insert Locknuts, 1000PK X1E-FAS-NUT-LOC-3432x1000
X1 Tools

5/16-24 Performance Zinc-Plated Steel Thin-Profile Nylon-Insert Locknuts, 1000PK

Zoro # G822864740
Mfr # X1E-FAS-NUT-LOC-3432x1000
product price:  $156.99
/pk 1000, $0.16/ea
X1 Tools 3/4-16 Corrosion-Resistant 18-8 Stainless Steel Thin-Profile Nylon-Insert Locknuts, 15PK X1E-FAS-NUT-LOC-3748x15
X1 Tools

3/4-16 Corrosion-Resistant 18-8 Stainless Steel Thin-Profile Nylon-Insert Locknuts, 15PK

Zoro # G222866672
Mfr # X1E-FAS-NUT-LOC-3748x15
product price:  $460.99
/pk 15, $30.73/ea
X1 Tools 10-32 Performance Black-Corrosion-Resistant-Coated Steel Thin-Profile Nylon-Insert Locknuts, 50PK X1E-FAS-NUT-LOC-3616x50
X1 Tools

10-32 Performance Black-Corrosion-Resistant-Coated Steel Thin-Profile Nylon-Insert Locknuts, 50PK

Zoro # G122859019
Mfr # X1E-FAS-NUT-LOC-3616x50
product price:  $204.99
/pk 50, $4.10/ea
X1 Tools 7/16-20 Ultra Hi Performance Black-Oxide Steel Nylon-Insert Locknuts, 12PK X1E-FAS-NUT-LOC-1224x12
X1 Tools

7/16-20 Ultra Hi Performance Black-Oxide Steel Nylon-Insert Locknuts, 12PK

Zoro # G022846140
Mfr # X1E-FAS-NUT-LOC-1224x12
product price:  $19.89
/pk 12, $1.66/ea
X1 Tools 7/16-20 Ultra Hi Performance Black-Oxide Steel Nylon-Insert Locknuts, 15PK X1E-FAS-NUT-LOC-1224x15
X1 Tools

7/16-20 Ultra Hi Performance Black-Oxide Steel Nylon-Insert Locknuts, 15PK

Zoro # G422845750
Mfr # X1E-FAS-NUT-LOC-1224x15
product price:  $23.15
/pk 15, $1.54/ea
X1 Tools M18 x 2.5 mm Performance Zinc-Plated Steel Nylon-Insert Locknuts, 500PK X1E-FAS-NUT-LOC-1988x500
X1 Tools

M18 x 2.5 mm Performance Zinc-Plated Steel Nylon-Insert Locknuts, 500PK

Zoro # G022856897
Mfr # X1E-FAS-NUT-LOC-1988x500
product price:  $1,615.99
/pk 500, $3.23/ea
X1 Tools 1 1/2-6 Hi Performance Zinc-Plated Steel Thin-Profile Nylon-Insert Locknuts, 15PK X1E-FAS-NUT-LOC-3330x15
X1 Tools

1 1/2-6 Hi Performance Zinc-Plated Steel Thin-Profile Nylon-Insert Locknuts, 15PK

Zoro # G222854778
Mfr # X1E-FAS-NUT-LOC-3330x15
product price:  $703.99
/pk 15, $46.93/ea
X1 Tools 1-8 Hi-Performance Zinc-Plated Steel Nylon-Insert Locknuts, 12PK X1E-FAS-NUT-LOC-1628x12
X1 Tools

1-8 Hi-Performance Zinc-Plated Steel Nylon-Insert Locknuts, 12PK

Zoro # G922864077
Mfr # X1E-FAS-NUT-LOC-1628x12
product price:  $75.55
/pk 12, $6.30/ea
Oxoxo 4-40 K Lock Nut Zinc Yellow and Bake, 5000PK 414294
Oxoxo

4-40 K Lock Nut Zinc Yellow and Bake, 5000PK

Zoro # G022672121
Mfr # 414294
product price:  $260.99
/pk 5000, $0.05/ea
X1 Tools 5/8-18 Hi-Performance Zinc-Plated Steel Nylon-Insert Locknuts, 75PK X1E-FAS-NUT-LOC-1623x75
X1 Tools

5/8-18 Hi-Performance Zinc-Plated Steel Nylon-Insert Locknuts, 75PK

Zoro # G022860801
Mfr # X1E-FAS-NUT-LOC-1623x75
product price:  $114.99
/pk 75, $1.53/ea
X1 Tools 3/4-10 Corrosion-Resistant 316 Stainless Steel Nylon-Insert Locknuts, 20PK X1E-FAS-NUT-LOC-2352x20
X1 Tools

3/4-10 Corrosion-Resistant 316 Stainless Steel Nylon-Insert Locknuts, 20PK

Zoro # G222854495
Mfr # X1E-FAS-NUT-LOC-2352x20
product price:  $111.99
/pk 20, $5.60/ea
X1 Tools 3/4-16 Hi-Performance Zinc-Plated Steel Nylon-Insert Locknuts, 20PK X1E-FAS-NUT-LOC-1625x20
X1 Tools

3/4-16 Hi-Performance Zinc-Plated Steel Nylon-Insert Locknuts, 20PK

Zoro # G822857339
Mfr # X1E-FAS-NUT-LOC-1625x20
product price:  $43.85
/pk 20, $2.19/ea
X1 Tools 8-32 Performance Zinc-Plated Steel Thin-Profile Nylon-Insert Locknuts, 6PK X1E-FAS-NUT-LOC-3418x6
X1 Tools

8-32 Performance Zinc-Plated Steel Thin-Profile Nylon-Insert Locknuts, 6PK

Zoro # G422844876
Mfr # X1E-FAS-NUT-LOC-3418x6
product price:  $1.15
/pk 6, $0.19/ea
X1 Tools 8-32 Corrosion-Resistant 18-8 Stainless Steel Nylon-Insert Locknuts, 500PK X1E-FAS-NUT-LOC-2119x500
X1 Tools

8-32 Corrosion-Resistant 18-8 Stainless Steel Nylon-Insert Locknuts, 500PK

Zoro # G222848531
Mfr # X1E-FAS-NUT-LOC-2119x500
product price:  $80.89
/pk 500, $0.16/ea
X1 Tools 4-40 Corrosion-Resistant 18-8 Stainless Steel Nylon-Insert Locknuts, 10PK X1E-FAS-NUT-LOC-2114x10
X1 Tools

4-40 Corrosion-Resistant 18-8 Stainless Steel Nylon-Insert Locknuts, 10PK

Zoro # G422854004
Mfr # X1E-FAS-NUT-LOC-2114x10
product price:  $1.89
/pk 10, $0.19/ea
X1 Tools 5/16-18 Performance Black-Corrosion-Resistant-Coated Steel Thin-Profile Nylon-Insert Locknuts, 12PK X1E-FAS-NUT-LOC-3620x12
X1 Tools

5/16-18 Performance Black-Corrosion-Resistant-Coated Steel Thin-Profile Nylon-Insert Locknuts, 12PK

Zoro # G722847119
Mfr # X1E-FAS-NUT-LOC-3620x12
product price:  $56.99
/pk 12, $4.75/ea
No Product Image Available
Standard Locknut

Bearing Lock Nut, Steel

Zoro # G622963520
Mfr # N22
product price:  $145.99
/ea
Msi Products 3/8in INDUSTRIAL 150lb Black Malleable Iron Locknut A2040606
Msi Products

3/8in INDUSTRIAL 150lb Black Malleable Iron Locknut

Zoro # G815327429
Mfr # A2040606
product price:  $2.15
/ea
Sold in mult. of 4 for $8.60
X1 Tools 1/4-28 Corrosion-Resistant 18-8 Stainless Steel Thin-Profile Nylon-Insert Locknuts, 2PK X1E-FAS-NUT-LOC-3722x2
X1 Tools

1/4-28 Corrosion-Resistant 18-8 Stainless Steel Thin-Profile Nylon-Insert Locknuts, 2PK

Zoro # G422859153
Mfr # X1E-FAS-NUT-LOC-3722x2
product price:  $1.25
/pk 2, $0.63/ea
Oxoxo 10-32 K Lock Nut Steel Nickel finish, 4000PK 596733
Oxoxo

10-32 K Lock Nut Steel Nickel finish, 4000PK

Zoro # G222680636
Mfr # 596733
product price:  $273.99
/pk 4000, $0.07/ea
X1 Tools 3/8-24 Ultra Hi Performance Black-Oxide Steel Nylon-Insert Locknuts, 10PK X1E-FAS-NUT-LOC-1220x10
X1 Tools

3/8-24 Ultra Hi Performance Black-Oxide Steel Nylon-Insert Locknuts, 10PK

Zoro # G722844811
Mfr # X1E-FAS-NUT-LOC-1220x10
product price:  $14.29
/pk 10, $1.43/ea
Newport Fasteners Nylon Insert Lock Nut, M12-1.75, Steel, Class 8, Zinc Plated, 1000 PK 547790-BR-1000
Newport Fasteners

Nylon Insert Lock Nut, M12-1.75, Steel, Class 8, Zinc Plated, 1000 PK

Zoro # G406329832
Mfr # 547790-BR-1000
product price:  $363.99
/pk 1000, $0.36/ea
X1 Tools 5/16-18 Performance Black-Corrosion-Resistant-Coated Steel Thin-Profile Nylon-Insert Locknuts, 20PK X1E-FAS-NUT-LOC-3620x20
X1 Tools

5/16-18 Performance Black-Corrosion-Resistant-Coated Steel Thin-Profile Nylon-Insert Locknuts, 20PK

Zoro # G522857677
Mfr # X1E-FAS-NUT-LOC-3620x20
product price:  $89.55
/pk 20, $4.48/ea
Lock Nuts (10,000+ items) - Page 101
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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
3/8-16 nuts stainless steeln-10 lock nut1/4-20 stainless steel nut5/16-18 stainless steel boltserrated flange lock nut
lock nut nylon insert5/16-24 nuts2 inch locknutlock nut 5/16-18nylon-insert locknuts

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