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  7. Lock Nuts

Lock Nuts (10,000+ items) - Page 123

X1 Tools 5/16-18 Corrosion-Resistant 316 Stainless Steel Thin-Profile Nylon-Insert Locknuts, 120PK X1E-FAS-NUT-LOC-3918x120
X1 Tools

5/16-18 Corrosion-Resistant 316 Stainless Steel Thin-Profile Nylon-Insert Locknuts, 120PK

Zoro # G022862744
Mfr # X1E-FAS-NUT-LOC-3918x120
product price: 
$103.99
/pk of 120, $0.87/ea
X1 Tools 3/4-16 UHP Yellow Zinc Plated Grade 8 Steel Thin-Profile Nylon-Insert Locknuts, 10PK X1E-FAS-NUT-LOC-3034x10
X1 Tools

3/4-16 UHP Yellow Zinc Plated Grade 8 Steel Thin-Profile Nylon-Insert Locknuts, 10PK

Zoro # G122847351
Mfr # X1E-FAS-NUT-LOC-3034x10
product price: 
$76.19
/pk of 10, $7.62/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: 
$1,534.99
/pk of 500, $3.07/ea
X1 Tools 8-32 Performance Black-Corrosion-Resistant-Coated Steel Thin-Profile Nylon-Insert Locknuts, 8PK X1E-FAS-NUT-LOC-3612x8
X1 Tools

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

Zoro # G822859777
Mfr # X1E-FAS-NUT-LOC-3612x8
product price: 
$35.29
/pk of 8, $4.41/ea
X1 Tools 1/2-13 Corrosion-Resistant 18-8 Stainless Steel Nylon-Insert Locknuts, 15PK X1E-FAS-NUT-LOC-2133x15
X1 Tools

1/2-13 Corrosion-Resistant 18-8 Stainless Steel Nylon-Insert Locknuts, 15PK

Zoro # G422847211
Mfr # X1E-FAS-NUT-LOC-2133x15
product price: 
$25.79
/pk of 15, $1.72/ea
X1 Tools 12-24 Performance Zinc-Plated Steel Nylon-Insert Locknuts, 100PK X1E-FAS-NUT-LOC-1926x100
X1 Tools

12-24 Performance Zinc-Plated Steel Nylon-Insert Locknuts, 100PK

Zoro # G422845170
Mfr # X1E-FAS-NUT-LOC-1926x100
product price: 
$19.59
/pk of 100, $0.20/ea
X1 Tools 5/8-18 UHP Yellow Zinc Plated Grade 8 Steel Thin-Profile Nylon-Insert Locknuts, 200PK X1E-FAS-NUT-LOC-3032x200
X1 Tools

5/8-18 UHP Yellow Zinc Plated Grade 8 Steel Thin-Profile Nylon-Insert Locknuts, 200PK

Zoro # G222857175
Mfr # X1E-FAS-NUT-LOC-3032x200
product price: 
$779.99
/pk of 200, $3.90/ea
X1 Tools 7/8-14 Ultra Hi Performance Black-Oxide Steel Nylon-Insert Locknuts, 8PK X1E-FAS-NUT-LOC-1244x8
X1 Tools

7/8-14 Ultra Hi Performance Black-Oxide Steel Nylon-Insert Locknuts, 8PK

Zoro # G122856193
Mfr # X1E-FAS-NUT-LOC-1244x8
product price: 
$51.15
/pk of 8, $6.39/ea
X1 Tools M24 x 3 mm Performance Zinc-Plated Steel Nylon-Insert Locknuts, 6PK X1E-FAS-NUT-LOC-1994x6
X1 Tools

M24 x 3 mm Performance Zinc-Plated Steel Nylon-Insert Locknuts, 6PK

Zoro # G022851779
Mfr # X1E-FAS-NUT-LOC-1994x6
product price: 
$40.15
/pk of 6, $6.69/ea
X1 Tools 5/16-24 UHP Black-Oxide Grade 8 Steel Thin-Profile Nylon-Insert Locknuts, 50PK X1E-FAS-NUT-LOC-3216x50
X1 Tools

5/16-24 UHP Black-Oxide Grade 8 Steel Thin-Profile Nylon-Insert Locknuts, 50PK

Zoro # G122856780
Mfr # X1E-FAS-NUT-LOC-3216x50
product price: 
$138.99
/pk of 50, $2.78/ea
X1 Tools 8-32 Black-Oxide Corrosion-Resistant 18-8 Stainless Steel Thin-Profile Nylon-Insert Locknuts, 250PK X1E-FAS-NUT-LOC-3814x250
X1 Tools

8-32 Black-Oxide Corrosion-Resistant 18-8 Stainless Steel Thin-Profile Nylon-Insert Locknuts, 250PK

Zoro # G422858705
Mfr # X1E-FAS-NUT-LOC-3814x250
product price: 
$116.99
/pk of 250, $0.47/ea
X1 Tools 1/4-20 UHP Black-Oxide Grade 8 Steel Thin-Profile Nylon-Insert Locknuts, 4PK X1E-FAS-NUT-LOC-3210x4
X1 Tools

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

Zoro # G522862046
Mfr # X1E-FAS-NUT-LOC-3210x4
product price: 
$5.89
/pk of 4, $1.47/ea
Sold in mult. of 2 pks for $11.78
X1 Tools 4-40 Performance Zinc-Plated Steel Nylon-Insert Locknuts, 25PK X1E-FAS-NUT-LOC-1914x25
X1 Tools

4-40 Performance Zinc-Plated Steel Nylon-Insert Locknuts, 25PK

Zoro # G922860505
Mfr # X1E-FAS-NUT-LOC-1914x25
product price: 
$3.15
/pk of 25, $0.13/ea
Sold in mult. of 3 pks for $9.45
X1 Tools 1/4-20 Ultra H.P. Yellow Zinc Plated Grade 8 Steel Nylon-Insert Locknuts, 8PK X1E-FAS-NUT-LOC-1010x8
X1 Tools

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

Zoro # G222844342
Mfr # X1E-FAS-NUT-LOC-1010x8
product price: 
$5.25
/pk of 8, $0.66/ea
Sold in mult. of 2 pks for $10.50
X1 Tools 9/16-12 Performance Zinc-Plated Steel Nylon-Insert Locknuts, 2PK X1E-FAS-NUT-LOC-1948x2
X1 Tools

9/16-12 Performance Zinc-Plated Steel Nylon-Insert Locknuts, 2PK

Zoro # G522853808
Mfr # X1E-FAS-NUT-LOC-1948x2
product price: 
$2.69
/pk of 2, $1.35/ea
Sold in mult. of 4 pks for $10.76
X1 Tools 3/4-10 Corrosion-Resistant 316 Stainless Steel Thin-Profile Nylon-Insert Locknuts X1E-FAS-NUT-LOC-3934x1
X1 Tools

3/4-10 Corrosion-Resistant 316 Stainless Steel Thin-Profile Nylon-Insert Locknuts

Zoro # G322856047
Mfr # X1E-FAS-NUT-LOC-3934x1
product price: 
$36.25
/ea
X1 Tools M20 x 2.5 mm Performance Zinc-Plated Steel Thin-Profile Nylon-Insert Locknuts, 200PK X1E-FAS-NUT-LOC-3496x200
X1 Tools

M20 x 2.5 mm Performance Zinc-Plated Steel Thin-Profile Nylon-Insert Locknuts, 200PK

Zoro # G522847418
Mfr # X1E-FAS-NUT-LOC-3496x200
product price: 
$3,123.99
/pk of 200, $15.62/ea
X1 Tools 10-24 Performance Black-Corrosion-Resistant-Coated Steel Nylon-Insert Locknuts, 50PK X1E-FAS-NUT-LOC-2014x50
X1 Tools

10-24 Performance Black-Corrosion-Resistant-Coated Steel Nylon-Insert Locknuts, 50PK

Zoro # G022860825
Mfr # X1E-FAS-NUT-LOC-2014x50
product price: 
$186.99
/pk of 50, $3.74/ea
X1 Tools 5/8-11 Performance Zinc-Plated Steel Nylon-Insert Locknuts, 120PK X1E-FAS-NUT-LOC-1952x120
X1 Tools

5/8-11 Performance Zinc-Plated Steel Nylon-Insert Locknuts, 120PK

Zoro # G522863777
Mfr # X1E-FAS-NUT-LOC-1952x120
product price: 
$142.99
/pk of 120, $1.19/ea
X1 Tools 5/8-11 Corrosion-Resistant 316 Stainless Steel Nylon-Insert Locknuts, 1000PK X1E-FAS-NUT-LOC-2348x1000
X1 Tools

5/8-11 Corrosion-Resistant 316 Stainless Steel Nylon-Insert Locknuts, 1000PK

Zoro # G722865861
Mfr # X1E-FAS-NUT-LOC-2348x1000
product price: 
$3,833.99
/pk of 1000, $3.83/ea
X1 Tools 1/2-20 Performance Zinc-Plated Steel Nylon-Insert Locknuts, 75PK X1E-FAS-NUT-LOC-1946x75
X1 Tools

1/2-20 Performance Zinc-Plated Steel Nylon-Insert Locknuts, 75PK

Zoro # G922854399
Mfr # X1E-FAS-NUT-LOC-1946x75
product price: 
$54.89
/pk of 75, $0.73/ea
X1 Tools 3/4-10 Corrosion-Resistant 316 Stainless Steel Thin-Profile Nylon-Insert Locknuts, 250PK X1E-FAS-NUT-LOC-3934x250
X1 Tools

3/4-10 Corrosion-Resistant 316 Stainless Steel Thin-Profile Nylon-Insert Locknuts, 250PK

Zoro # G722863218
Mfr # X1E-FAS-NUT-LOC-3934x250
product price: 
$7,030.99
/pk of 250, $28.12/ea
X1 Tools 1/2-13 Performance Zinc-Plated Steel Thin-Profile Nylon-Insert Locknuts, 100PK X1E-FAS-NUT-LOC-3442x100
X1 Tools

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

Zoro # G322845294
Mfr # X1E-FAS-NUT-LOC-3442x100
product price: 
$39.49
/pk of 100, $0.39/ea
Newport Fasteners Nylon Insert Lock Nut, 5/16"-18, Steel, Grade A, Zinc Plated, 100 PK 179130-PR-100
Newport Fasteners

Nylon Insert Lock Nut, 5/16"-18, Steel, Grade A, Zinc Plated, 100 PK

Zoro # G806327544
Mfr # 179130-PR-100
product price: 
$38.99
/pk of 100, $0.39/ea
X1 Tools 7/16-20 Corrosion-Resistant 18-8 Stainless Steel Nylon-Insert Locknuts, 200PK X1E-FAS-NUT-LOC-2132x200
X1 Tools

7/16-20 Corrosion-Resistant 18-8 Stainless Steel Nylon-Insert Locknuts, 200PK

Zoro # G022854763
Mfr # X1E-FAS-NUT-LOC-2132x200
product price: 
$196.99
/pk of 200, $0.98/ea
X1 Tools 10-24 Performance Black-Corrosion-Resistant-Coated Steel Nylon-Insert Locknuts, 1000PK X1E-FAS-NUT-LOC-2014x1000
X1 Tools

10-24 Performance Black-Corrosion-Resistant-Coated Steel Nylon-Insert Locknuts, 1000PK

Zoro # G022860023
Mfr # X1E-FAS-NUT-LOC-2014x1000
product price: 
$3,435.99
/pk of 1000, $3.44/ea
X1 Tools 5/16-18 Performance Zinc-Plated Steel Thin-Profile Nylon-Insert Locknuts, 500PK X1E-FAS-NUT-LOC-3430x500
X1 Tools

5/16-18 Performance Zinc-Plated Steel Thin-Profile Nylon-Insert Locknuts, 500PK

Zoro # G722866677
Mfr # X1E-FAS-NUT-LOC-3430x500
product price: 
$81.29
/pk of 500, $0.16/ea
X1 Tools M24 x 3 mm Performance Zinc-Plated Steel Nylon-Insert Locknuts, 25PK X1E-FAS-NUT-LOC-1994x25
X1 Tools

M24 x 3 mm Performance Zinc-Plated Steel Nylon-Insert Locknuts, 25PK

Zoro # G722861788
Mfr # X1E-FAS-NUT-LOC-1994x25
product price: 
$138.99
/pk of 25, $5.56/ea
X1 Tools 1-14 Performance Zinc-Plated Steel Thin-Profile Nylon-Insert Locknuts, 500PK X1E-FAS-NUT-LOC-3464x500
X1 Tools

1-14 Performance Zinc-Plated Steel Thin-Profile Nylon-Insert Locknuts, 500PK

Zoro # G322848950
Mfr # X1E-FAS-NUT-LOC-3464x500
product price: 
$3,105.99
/pk of 500, $6.21/ea
X1 Tools M5 x 0.8 mm Performance Zinc-Plated Steel Thin-Profile Nylon-Insert Locknuts, 10PK X1E-FAS-NUT-LOC-3480x10
X1 Tools

M5 x 0.8 mm Performance Zinc-Plated Steel Thin-Profile Nylon-Insert Locknuts, 10PK

Zoro # G022867237
Mfr # X1E-FAS-NUT-LOC-3480x10
product price: 
$12.19
/pk of 10, $1.22/ea
X1 Tools 3/8-16 UHP Black-Oxide Grade 8 Steel Thin-Profile Nylon-Insert Locknuts, 250PK X1E-FAS-NUT-LOC-3218x250
X1 Tools

3/8-16 UHP Black-Oxide Grade 8 Steel Thin-Profile Nylon-Insert Locknuts, 250PK

Zoro # G722861412
Mfr # X1E-FAS-NUT-LOC-3218x250
product price: 
$381.99
/pk of 250, $1.53/ea
X1 Tools 1/2-13 UHP Black-Oxide Grade 8 Steel Thin-Profile Nylon-Insert Locknuts, 200PK X1E-FAS-NUT-LOC-3224x200
X1 Tools

1/2-13 UHP Black-Oxide Grade 8 Steel Thin-Profile Nylon-Insert Locknuts, 200PK

Zoro # G822859913
Mfr # X1E-FAS-NUT-LOC-3224x200
product price: 
$625.99
/pk of 200, $3.13/ea
X1 Tools 1/2-20 Performance Zinc-Plated Steel Nylon-Insert Locknuts, 2PK X1E-FAS-NUT-LOC-1946x2
X1 Tools

1/2-20 Performance Zinc-Plated Steel Nylon-Insert Locknuts, 2PK

Zoro # G522862169
Mfr # X1E-FAS-NUT-LOC-1946x2
product price: 
$2.15
/pk of 2, $1.08/ea
Sold in mult. of 5 pks for $10.75
Newport Fasteners Nylon Insert Lock Nut, 7/8"-9, Steel, Grade A, Zinc Plated, 25 PK 819254-PR-25
Newport Fasteners

Nylon Insert Lock Nut, 7/8"-9, Steel, Grade A, Zinc Plated, 25 PK

Zoro # G906329615
Mfr # 819254-PR-25
product price: 
$224.99
/pk of 25, $9.00/ea
X1 Tools 5/8-18 UHP Black-Oxide Grade 8 Steel Thin-Profile Nylon-Insert Locknuts, 100PK X1E-FAS-NUT-LOC-3230x100
X1 Tools

5/8-18 UHP Black-Oxide Grade 8 Steel Thin-Profile Nylon-Insert Locknuts, 100PK

Zoro # G322867524
Mfr # X1E-FAS-NUT-LOC-3230x100
product price: 
$430.99
/pk of 100, $4.31/ea
X1 Tools 1 1/8-7 Hi Performance Zinc-Plated Steel Thin-Profile Nylon-Insert Locknuts, 12PK X1E-FAS-NUT-LOC-3324x12
X1 Tools

1 1/8-7 Hi Performance Zinc-Plated Steel Thin-Profile Nylon-Insert Locknuts, 12PK

Zoro # G322858409
Mfr # X1E-FAS-NUT-LOC-3324x12
product price: 
$438.99
/pk of 12, $36.58/ea
Lock Nuts (10,000+ items) - Page 123
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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 NutsCoupling NutsFlange NutsWing NutsGeneral Washers
Hex Head Cap ScrewsMachine ScrewsSocket Head Cap 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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