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  7. Lock Nuts

Lock Nuts (10,000+ items) - Page 171

X1 Tools 3/8-16 Corrosion-Resistant 18-8 Stainless Steel Nylon-Insert Locknuts, 200PK X1E-FAS-NUT-LOC-2129x200
X1 Tools

3/8-16 Corrosion-Resistant 18-8 Stainless Steel Nylon-Insert Locknuts, 200PK

Zoro # G222847404
Mfr # X1E-FAS-NUT-LOC-2129x200
product price: 
$144.99
/pk of 200, $0.72/ea
X1 Tools 1/2-20 Corrosion-Resistant 316 Stainless Steel Nylon-Insert Locknuts, 4PK X1E-FAS-NUT-LOC-2342x4
X1 Tools

1/2-20 Corrosion-Resistant 316 Stainless Steel Nylon-Insert Locknuts, 4PK

Zoro # G922847711
Mfr # X1E-FAS-NUT-LOC-2342x4
product price: 
$14.99
/pk of 4, $3.75/ea
X1 Tools 5/8-11 Performance Zinc-Plated Steel Thin-Profile Nylon-Insert Locknuts, 200PK X1E-FAS-NUT-LOC-3450x200
X1 Tools

5/8-11 Performance Zinc-Plated Steel Thin-Profile Nylon-Insert Locknuts, 200PK

Zoro # G822856936
Mfr # X1E-FAS-NUT-LOC-3450x200
product price: 
$148.99
/pk of 200, $0.74/ea
X1 Tools 7/16-14 Performance Zinc-Plated Steel Nylon-Insert Locknuts, 1000PK X1E-FAS-NUT-LOC-1940x1000
X1 Tools

7/16-14 Performance Zinc-Plated Steel Nylon-Insert Locknuts, 1000PK

Zoro # G922858137
Mfr # X1E-FAS-NUT-LOC-1940x1000
product price: 
$320.99
/pk of 1000, $0.32/ea
X1 Tools 1 1/8-7 Corrosion-Resistant 18-8 Stainless Steel Nylon-Insert Locknuts, 120PK X1E-FAS-NUT-LOC-2146x120
X1 Tools

1 1/8-7 Corrosion-Resistant 18-8 Stainless Steel Nylon-Insert Locknuts, 120PK

Zoro # G722854971
Mfr # X1E-FAS-NUT-LOC-2146x120
product price: 
$3,346.99
/pk of 120, $27.89/ea
Standard Locknut Bearing Lock Nut, Steel AN40
Standard Locknut

Bearing Lock Nut, Steel

Zoro # G422962846
Mfr # AN40
product price: 
$199.99
/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
Newport Fasteners Nylon Insert Lock Nut, 9/16"-18, Steel, Grade A, Zinc Plated, 100 PK 699742-PR-100
Newport Fasteners

Nylon Insert Lock Nut, 9/16"-18, Steel, Grade A, Zinc Plated, 100 PK

Zoro # G306329765
Mfr # 699742-PR-100
product price: 
$134.99
/pk of 100, $1.35/ea
Newport Fasteners Nylon Insert Lock Nut, #4-48, Steel, Grade A, Zinc Plated, 100 PK 807962-PR-100
Newport Fasteners

Nylon Insert Lock Nut, #4-48, Steel, Grade A, Zinc Plated, 100 PK

Zoro # G506329763
Mfr # 807962-PR-100
product price: 
$40.55
/pk of 100, $0.41/ea
Newport Fasteners Nylon Insert Lock Nut, 1/4"-20, Steel, Grade A, Zinc Plated, 100 PK 169375-PR-100
Newport Fasteners

Nylon Insert Lock Nut, 1/4"-20, Steel, Grade A, Zinc Plated, 100 PK

Zoro # G206327601
Mfr # 169375-PR-100
product price: 
$35.15
/pk of 100, $0.35/ea
Newport Fasteners Nylon Insert Lock Nut, #5-40, 316 Stainless Steel, Not Graded, 5000 PK 964744-BR-5000
Newport Fasteners

Nylon Insert Lock Nut, #5-40, 316 Stainless Steel, Not Graded, 5000 PK

Zoro # G306331799
Mfr # 964744-BR-5000
product price: 
$579.99
/pk of 5000, $0.12/ea
Pem Clinch Nut, PK5 AS-832-2ZI
Pem

Clinch Nut, PK5

Zoro # G623523853
Mfr # AS-832-2ZI
product price: 
$7.15
/pk of 5, $1.43/ea
Sold in mult. of 2 pks for $14.30
Erickson Locknut/Stopscrew, SEALING RING CDER25150M
Erickson

Locknut/Stopscrew, SEALING RING

Zoro # G3587785
Mfr # CDER25150M
product price: 
$47.39
/ea
Pem Clinch Nut, PK25 S-M6-00ZI
Pem

Clinch Nut, PK25

Zoro # G923524796
Mfr # S-M6-00ZI
product price: 
$11.99
/pk of 25, $0.48/ea
X1 Tools M4 x 0.7 mm Performance Zinc-Plated Steel Nylon-Insert Locknuts, 75PK X1E-FAS-NUT-LOC-1972x75
X1 Tools

M4 x 0.7 mm Performance Zinc-Plated Steel Nylon-Insert Locknuts, 75PK

Zoro # G322848707
Mfr # X1E-FAS-NUT-LOC-1972x75
product price: 
$13.79
/pk of 75, $0.18/ea
X1 Tools 1/2-13 Ultra Hi Performance Black-Oxide Steel Nylon-Insert Locknuts, 6PK X1E-FAS-NUT-LOC-1226x6
X1 Tools

1/2-13 Ultra Hi Performance Black-Oxide Steel Nylon-Insert Locknuts, 6PK

Zoro # G622852923
Mfr # X1E-FAS-NUT-LOC-1226x6
product price: 
$14.39
/pk of 6, $2.40/ea
X1 Tools 3/4-16 UHP Black-Oxide Grade 8 Steel Thin-Profile Nylon-Insert Locknuts, 20PK X1E-FAS-NUT-LOC-3232x20
X1 Tools

3/4-16 UHP Black-Oxide Grade 8 Steel Thin-Profile Nylon-Insert Locknuts, 20PK

Zoro # G322848554
Mfr # X1E-FAS-NUT-LOC-3232x20
product price: 
$155.99
/pk of 20, $7.80/ea
X1 Tools 5/8-18 Ultra H.P. Yellow Zinc Plated Grade 8 Steel Nylon-Insert Locknuts, 8PK X1E-FAS-NUT-LOC-1036x8
X1 Tools

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

Zoro # G922846288
Mfr # X1E-FAS-NUT-LOC-1036x8
product price: 
$30.49
/pk of 8, $3.81/ea
X1 Tools 1 1/2-6 Corrosion-Resistant 18-8 Stainless Steel Nylon-Insert Locknuts, 400PK X1E-FAS-NUT-LOC-2149x400
X1 Tools

1 1/2-6 Corrosion-Resistant 18-8 Stainless Steel Nylon-Insert Locknuts, 400PK

Zoro # G022846201
Mfr # X1E-FAS-NUT-LOC-2149x400
product price: 
$19,544.99
/pk of 400, $48.86/ea
X1 Tools 7/16-20 Performance Zinc-Plated Steel Nylon-Insert Locknuts, 100PK X1E-FAS-NUT-LOC-1942x100
X1 Tools

7/16-20 Performance Zinc-Plated Steel Nylon-Insert Locknuts, 100PK

Zoro # G422861545
Mfr # X1E-FAS-NUT-LOC-1942x100
product price: 
$38.29
/pk of 100, $0.38/ea
X1 Tools 3/4-16 Ultra H.P. Yellow Zinc Plated Grade 8 Steel Nylon-Insert Locknuts, 250PK X1E-FAS-NUT-LOC-1040x250
X1 Tools

3/4-16 Ultra H.P. Yellow Zinc Plated Grade 8 Steel Nylon-Insert Locknuts, 250PK

Zoro # G822844773
Mfr # X1E-FAS-NUT-LOC-1040x250
product price: 
$1,146.99
/pk of 250, $4.59/ea
X1 Tools M12 x 1.75 mm Performance Zinc-Plated Steel Nylon-Insert Locknuts, 400PK X1E-FAS-NUT-LOC-1982x400
X1 Tools

M12 x 1.75 mm Performance Zinc-Plated Steel Nylon-Insert Locknuts, 400PK

Zoro # G322865490
Mfr # X1E-FAS-NUT-LOC-1982x400
product price: 
$264.99
/pk of 400, $0.66/ea
X1 Tools 3/8-24 UHP Black-Oxide Grade 8 Steel Thin-Profile Nylon-Insert Locknuts, 75PK X1E-FAS-NUT-LOC-3220x75
X1 Tools

3/8-24 UHP Black-Oxide Grade 8 Steel Thin-Profile Nylon-Insert Locknuts, 75PK

Zoro # G422849185
Mfr # X1E-FAS-NUT-LOC-3220x75
product price: 
$133.99
/pk of 75, $1.79/ea
X1 Tools 3/4-10 Corrosion-Resistant 316 Stainless Steel Thin-Profile Nylon-Insert Locknuts, 120PK X1E-FAS-NUT-LOC-3934x120
X1 Tools

3/4-10 Corrosion-Resistant 316 Stainless Steel Thin-Profile Nylon-Insert Locknuts, 120PK

Zoro # G022865479
Mfr # X1E-FAS-NUT-LOC-3934x120
product price: 
$3,359.99
/pk of 120, $28.00/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 of 150, $0.72/ea
X1 Tools 1/2-20 Corrosion-Resistant 316 Stainless Steel Thin-Profile Nylon-Insert Locknuts, 15PK X1E-FAS-NUT-LOC-3932x15
X1 Tools

1/2-20 Corrosion-Resistant 316 Stainless Steel Thin-Profile Nylon-Insert Locknuts, 15PK

Zoro # G222854136
Mfr # X1E-FAS-NUT-LOC-3932x15
product price: 
$47.45
/pk of 15, $3.16/ea
X1 Tools 10-24 Performance Black-Corrosion-Resistant-Coated Steel Nylon-Insert Locknuts, 250PK X1E-FAS-NUT-LOC-2014x250
X1 Tools

10-24 Performance Black-Corrosion-Resistant-Coated Steel Nylon-Insert Locknuts, 250PK

Zoro # G822852891
Mfr # X1E-FAS-NUT-LOC-2014x250
product price: 
$885.99
/pk of 250, $3.54/ea
X1 Tools 3/8-16 Black-Oxide C.R. 18-8 Stainless Steel Nylon-Insert Locknuts, 500PK X1E-FAS-NUT-LOC-2240x500
X1 Tools

3/8-16 Black-Oxide C.R. 18-8 Stainless Steel Nylon-Insert Locknuts, 500PK

Zoro # G922862103
Mfr # X1E-FAS-NUT-LOC-2240x500
product price: 
$717.99
/pk of 500, $1.44/ea
X1 Tools 3/8-24 Ultra Hi Performance Black-Oxide Steel Nylon-Insert Locknuts X1E-FAS-NUT-LOC-1220x1
X1 Tools

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

Zoro # G222844397
Mfr # X1E-FAS-NUT-LOC-1220x1
product price: 
$1.49
/ea
Sold in mult. of 7 for $10.43
X1 Tools 10-32 Corrosion-Resistant 18-8 Stainless Steel Thin-Profile Nylon-Insert Locknuts, 2PK X1E-FAS-NUT-LOC-3718x2
X1 Tools

10-32 Corrosion-Resistant 18-8 Stainless Steel Thin-Profile Nylon-Insert Locknuts, 2PK

Zoro # G122858890
Mfr # X1E-FAS-NUT-LOC-3718x2
product price: 
$1.15
/pk of 2, $0.58/ea
Sold in mult. of 9 pks for $10.35
X1 Tools M20 x 2.5 mm Performance Zinc-Plated Steel Thin-Profile Nylon-Insert Locknuts, 10PK X1E-FAS-NUT-LOC-3496x10
X1 Tools

M20 x 2.5 mm Performance Zinc-Plated Steel Thin-Profile Nylon-Insert Locknuts, 10PK

Zoro # G522849290
Mfr # X1E-FAS-NUT-LOC-3496x10
product price: 
$151.99
/pk of 10, $15.20/ea
X1 Tools 9/16-18 Corrosion-Resistant 18-8 Stainless Steel Nylon-Insert Locknuts, 15PK X1E-FAS-NUT-LOC-2136x15
X1 Tools

9/16-18 Corrosion-Resistant 18-8 Stainless Steel Nylon-Insert Locknuts, 15PK

Zoro # G522867393
Mfr # X1E-FAS-NUT-LOC-2136x15
product price: 
$78.95
/pk of 15, $5.26/ea
Erickson Locknut/Stopscrew, SEALING RING CDER25045M
Erickson

Locknut/Stopscrew, SEALING RING

Zoro # G3586869
Mfr # CDER25045M
product price: 
$47.39
/ea
X1 Tools 3/8-16 Corrosion-Resistant 316 Stainless Steel Thin-Profile Nylon-Insert Locknuts, 500PK X1E-FAS-NUT-LOC-3922x500
X1 Tools

3/8-16 Corrosion-Resistant 316 Stainless Steel Thin-Profile Nylon-Insert Locknuts, 500PK

Zoro # G422862825
Mfr # X1E-FAS-NUT-LOC-3922x500
product price: 
$595.99
/pk of 500, $1.19/ea
X1 Tools 1/2-20 Black-Oxide C.R. 18-8 Stainless Steel Nylon-Insert Locknuts, 20PK X1E-FAS-NUT-LOC-2250x20
X1 Tools

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

Zoro # G622849435
Mfr # X1E-FAS-NUT-LOC-2250x20
product price: 
$126.99
/pk of 20, $6.35/ea
X1 Tools M14 x 2 mm Performance Zinc-Plated Steel Thin-Profile Nylon-Insert Locknuts, 120PK X1E-FAS-NUT-LOC-3490x120
X1 Tools

M14 x 2 mm Performance Zinc-Plated Steel Thin-Profile Nylon-Insert Locknuts, 120PK

Zoro # G622859205
Mfr # X1E-FAS-NUT-LOC-3490x120
product price: 
$425.99
/pk of 120, $3.55/ea
Lock Nuts (10,000+ items) - Page 171
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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 NutsCap Nuts & Acorn NutsWing NutsGeneral Washers
Hex Head Cap ScrewsMachine ScrewsSocket Head Cap ScrewsLock WashersSelf-Tapping Screws
3/4 lock nuts1/4" locking nut10mm nuts1" lock nuts1/2" flange lock nut
nylon insert hex nutn-10 lock nut3/8-16 ss nuts1/4 npt locknuts4" lock nuts

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