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  7. Lock Nuts

Lock Nuts (10,000+ items) - Page 167

X1 Tools 7/16-14 Corrosion-Resistant 316 Stainless Steel Nylon-Insert Locknuts, 400PK X1E-FAS-NUT-LOC-2336x400
X1 Tools

7/16-14 Corrosion-Resistant 316 Stainless Steel Nylon-Insert Locknuts, 400PK

Zoro # G722849847
Mfr # X1E-FAS-NUT-LOC-2336x400
product price: 
$499.99
/pk of 400, $1.25/ea
X1 Tools 8-32 Performance Black-Corrosion-Resistant-Coated Steel Nylon-Insert Locknuts, 75PK X1E-FAS-NUT-LOC-2012x75
X1 Tools

8-32 Performance Black-Corrosion-Resistant-Coated Steel Nylon-Insert Locknuts, 75PK

Zoro # G922858816
Mfr # X1E-FAS-NUT-LOC-2012x75
product price: 
$266.99
/pk of 75, $3.56/ea
Newport Fasteners Nylon Insert Lock Nut, 3/8"-16, 316 Stainless Steel, Not Graded, 100 PK 145882-PR-100
Newport Fasteners

Nylon Insert Lock Nut, 3/8"-16, 316 Stainless Steel, Not Graded, 100 PK

Zoro # G706327804
Mfr # 145882-PR-100
product price: 
$85.65
/pk of 100, $0.86/ea
Zoro Select Lock Nut, 1/4"-20, Steel, Wax, 2000 PK 14NYBZ
Zoro Select

Lock Nut, 1/4"-20, Steel, Wax, 2000 PK

Zoro # G2455249
Mfr # 14NYBZ
product price: 
$229.99
/pk of 2000, $0.11/ea
X1 Tools M5 x 0.8 mm Performance Zinc-Plated Steel Nylon-Insert Locknuts, 25PK X1E-FAS-NUT-LOC-1974x25
X1 Tools

M5 x 0.8 mm Performance Zinc-Plated Steel Nylon-Insert Locknuts, 25PK

Zoro # G422844845
Mfr # X1E-FAS-NUT-LOC-1974x25
product price: 
$4.29
/pk of 25, $0.17/ea
Sold in mult. of 3 pks for $12.87
X1 Tools M14 x 2 mm Performance Zinc-Plated Steel Nylon-Insert Locknuts, 150PK X1E-FAS-NUT-LOC-1984x150
X1 Tools

M14 x 2 mm Performance Zinc-Plated Steel Nylon-Insert Locknuts, 150PK

Zoro # G022863079
Mfr # X1E-FAS-NUT-LOC-1984x150
product price: 
$170.99
/pk of 150, $1.14/ea
X1 Tools 3/4-16 Hi Performance Zinc-Plated Steel Thin-Profile Nylon-Insert Locknuts, 4PK X1E-FAS-NUT-LOC-3316x4
X1 Tools

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

Zoro # G922854047
Mfr # X1E-FAS-NUT-LOC-3316x4
product price: 
$14.79
/pk of 4, $3.70/ea
X1 Tools 10-32 Performance Zinc-Plated Steel Thin-Profile Nylon-Insert Locknuts, 6PK X1E-FAS-NUT-LOC-3422x6
X1 Tools

10-32 Performance Zinc-Plated Steel Thin-Profile Nylon-Insert Locknuts, 6PK

Zoro # G222853399
Mfr # X1E-FAS-NUT-LOC-3422x6
product price: 
$1.15
/pk of 6, $0.19/ea
Sold in mult. of 9 pks for $10.35
X1 Tools 7/8-14 Ultra Hi Performance Black-Oxide Steel Nylon-Insert Locknuts, 75PK X1E-FAS-NUT-LOC-1244x75
X1 Tools

7/8-14 Ultra Hi Performance Black-Oxide Steel Nylon-Insert Locknuts, 75PK

Zoro # G022844474
Mfr # X1E-FAS-NUT-LOC-1244x75
product price: 
$399.99
/pk of 75, $5.33/ea
X1 Tools 7/8-14 UHP Yellow Zinc Plated Grade 8 Steel Thin-Profile Nylon-Insert Locknuts, 12PK X1E-FAS-NUT-LOC-3036x12
X1 Tools

7/8-14 UHP Yellow Zinc Plated Grade 8 Steel Thin-Profile Nylon-Insert Locknuts, 12PK

Zoro # G322847694
Mfr # X1E-FAS-NUT-LOC-3036x12
product price: 
$134.99
/pk of 12, $11.25/ea
X1 Tools 1 1/4-12 Ultra H.P. Yellow Zinc Plated Grade 8 Steel Nylon-Insert Locknuts, 2PK X1E-FAS-NUT-LOC-1060x2
X1 Tools

1 1/4-12 Ultra H.P. Yellow Zinc Plated Grade 8 Steel Nylon-Insert Locknuts, 2PK

Zoro # G422847419
Mfr # X1E-FAS-NUT-LOC-1060x2
product price: 
$87.79
/pk of 2, $43.90/ea
X1 Tools 3/8-24 Performance Zinc-Plated Steel Thin-Profile Nylon-Insert Locknuts, 500PK X1E-FAS-NUT-LOC-3436x500
X1 Tools

3/8-24 Performance Zinc-Plated Steel Thin-Profile Nylon-Insert Locknuts, 500PK

Zoro # G522857745
Mfr # X1E-FAS-NUT-LOC-3436x500
product price: 
$95.95
/pk of 500, $0.19/ea
X1 Tools 5/16-24 Corrosion-Resistant 316 Stainless Steel Nylon-Insert Locknuts, 25PK X1E-FAS-NUT-LOC-2330x25
X1 Tools

5/16-24 Corrosion-Resistant 316 Stainless Steel Nylon-Insert Locknuts, 25PK

Zoro # G822851818
Mfr # X1E-FAS-NUT-LOC-2330x25
product price: 
$19.89
/pk of 25, $0.80/ea
X1 Tools 5/16-18 Performance Zinc-Plated Steel Nylon-Insert Locknuts, 100PK X1E-FAS-NUT-LOC-1932x100
X1 Tools

5/16-18 Performance Zinc-Plated Steel Nylon-Insert Locknuts, 100PK

Zoro # G422845224
Mfr # X1E-FAS-NUT-LOC-1932x100
product price: 
$21.79
/pk of 100, $0.22/ea
X1 Tools 1/2-20 Black-Oxide Corrosion-Resistant 18-8 Stainless Steel Thin-Profile Nylon-Insert Locknut, 500PK X1E-FAS-NUT-LOC-3830x500
X1 Tools

1/2-20 Black-Oxide Corrosion-Resistant 18-8 Stainless Steel Thin-Profile Nylon-Insert Locknut, 500PK

Zoro # G722852519
Mfr # X1E-FAS-NUT-LOC-3830x500
product price: 
$1,575.99
/pk of 500, $3.15/ea
X1 Tools 1 1/4-7 Performance Zinc-Plated Steel Thin-Profile Nylon-Insert Locknuts, 10PK X1E-FAS-NUT-LOC-3468x10
X1 Tools

1 1/4-7 Performance Zinc-Plated Steel Thin-Profile Nylon-Insert Locknuts, 10PK

Zoro # G422852581
Mfr # X1E-FAS-NUT-LOC-3468x10
product price: 
$142.99
/pk of 10, $14.30/ea
X1 Tools 1-8 Hi Performance Zinc-Plated Steel Thin-Profile Nylon-Insert Locknuts, 4PK X1E-FAS-NUT-LOC-3320x4
X1 Tools

1-8 Hi Performance Zinc-Plated Steel Thin-Profile Nylon-Insert Locknuts, 4PK

Zoro # G322845508
Mfr # X1E-FAS-NUT-LOC-3320x4
product price: 
$61.49
/pk of 4, $15.37/ea
X1 Tools 3/8-16 Corrosion-Resistant 18-8 Stainless Steel Thin-Profile Nylon-Insert Locknuts, 500PK X1E-FAS-NUT-LOC-3728x500
X1 Tools

3/8-16 Corrosion-Resistant 18-8 Stainless Steel Thin-Profile Nylon-Insert Locknuts, 500PK

Zoro # G122850399
Mfr # X1E-FAS-NUT-LOC-3728x500
product price: 
$238.99
/pk of 500, $0.48/ea
X1 Tools 5/16-24 UHP Black-Oxide Grade 8 Steel Thin-Profile Nylon-Insert Locknuts, 12PK X1E-FAS-NUT-LOC-3216x12
X1 Tools

5/16-24 UHP Black-Oxide Grade 8 Steel Thin-Profile Nylon-Insert Locknuts, 12PK

Zoro # G522851347
Mfr # X1E-FAS-NUT-LOC-3216x12
product price: 
$39.15
/pk of 12, $3.26/ea
X1 Tools 5/16-18 Performance Zinc-Plated Steel Nylon-Insert Locknuts, 150PK X1E-FAS-NUT-LOC-1932x150
X1 Tools

5/16-18 Performance Zinc-Plated Steel Nylon-Insert Locknuts, 150PK

Zoro # G322861492
Mfr # X1E-FAS-NUT-LOC-1932x150
product price: 
$28.39
/pk of 150, $0.19/ea
X1 Tools 9/16-18 Corrosion-Resistant 18-8 Stainless Steel Thin-Profile Nylon-Insert Locknuts, 150PK X1E-FAS-NUT-LOC-3740x150
X1 Tools

9/16-18 Corrosion-Resistant 18-8 Stainless Steel Thin-Profile Nylon-Insert Locknuts, 150PK

Zoro # G222853177
Mfr # X1E-FAS-NUT-LOC-3740x150
product price: 
$7,372.99
/pk of 150, $49.15/ea
X1 Tools 5/8-18 Performance Zinc-Plated Steel Nylon-Insert Locknuts, 75PK X1E-FAS-NUT-LOC-1954x75
X1 Tools

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

Zoro # G722857750
Mfr # X1E-FAS-NUT-LOC-1954x75
product price: 
$94.79
/pk of 75, $1.26/ea
Zoro Select Lock Nut, 1/4"-20, Steel, Wax, 2000 PK 14NY
Zoro Select

Lock Nut, 1/4"-20, Steel, Wax, 2000 PK

Zoro # G2454792
Mfr # 14NY
product price: 
$94.69
/pk of 2000, $0.05/ea
X1 Tools 12-24 Performance Zinc-Plated Steel Thin-Profile Nylon-Insert Locknuts, 6PK X1E-FAS-NUT-LOC-3424x6
X1 Tools

12-24 Performance Zinc-Plated Steel Thin-Profile Nylon-Insert Locknuts, 6PK

Zoro # G622847202
Mfr # X1E-FAS-NUT-LOC-3424x6
product price: 
$1.75
/pk of 6, $0.29/ea
Sold in mult. of 6 pks for $10.50
X1 Tools 1/4-28 Corrosion-Resistant 18-8 Stainless Steel Thin-Profile Nylon-Insert Locknuts, 12PK X1E-FAS-NUT-LOC-3722x12
X1 Tools

1/4-28 Corrosion-Resistant 18-8 Stainless Steel Thin-Profile Nylon-Insert Locknuts, 12PK

Zoro # G122845975
Mfr # X1E-FAS-NUT-LOC-3722x12
product price: 
$4.95
/pk of 12, $0.41/ea
Sold in mult. of 2 pks for $9.90
X1 Tools 5/16-18 UHP Black-Oxide Grade 8 Steel Thin-Profile Nylon-Insert Locknuts, 20PK X1E-FAS-NUT-LOC-3214x20
X1 Tools

5/16-18 UHP Black-Oxide Grade 8 Steel Thin-Profile Nylon-Insert Locknuts, 20PK

Zoro # G822860780
Mfr # X1E-FAS-NUT-LOC-3214x20
product price: 
$34.69
/pk of 20, $1.73/ea
X1 Tools 1/2-20 Corrosion-Resistant 18-8 Stainless Steel Thin-Profile Nylon-Insert Locknuts, 400PK X1E-FAS-NUT-LOC-3738x400
X1 Tools

1/2-20 Corrosion-Resistant 18-8 Stainless Steel Thin-Profile Nylon-Insert Locknuts, 400PK

Zoro # G922850513
Mfr # X1E-FAS-NUT-LOC-3738x400
product price: 
$730.99
/pk of 400, $1.83/ea
X1 Tools 1-8 Hi-Performance Zinc-Plated Steel Nylon-Insert Locknuts, 15PK X1E-FAS-NUT-LOC-1628x15
X1 Tools

1-8 Hi-Performance Zinc-Plated Steel Nylon-Insert Locknuts, 15PK

Zoro # G122856681
Mfr # X1E-FAS-NUT-LOC-1628x15
product price: 
$90.65
/pk of 15, $6.04/ea
Oxoxo 1/4-20 Serrated Flange Hex Lock Nuts Case Hardened HR15N 78/90 Black Zinc and Bake, 2000PK 395702
Oxoxo

1/4-20 Serrated Flange Hex Lock Nuts Case Hardened HR15N 78/90 Black Zinc and Bake, 2000PK

Zoro # G622672507
Mfr # 395702
product price: 
$286.99
/pk of 2000, $0.14/ea
X1 Tools 3/8-24 Corrosion-Resistant 316 Stainless Steel Nylon-Insert Locknuts, 500PK X1E-FAS-NUT-LOC-2334x500
X1 Tools

3/8-24 Corrosion-Resistant 316 Stainless Steel Nylon-Insert Locknuts, 500PK

Zoro # G922863865
Mfr # X1E-FAS-NUT-LOC-2334x500
product price: 
$420.99
/pk of 500, $0.84/ea
X1 Tools 5/16-18 Performance Zinc-Plated Steel Thin-Profile Nylon-Insert Locknuts, 50PK X1E-FAS-NUT-LOC-3430x50
X1 Tools

5/16-18 Performance Zinc-Plated Steel Thin-Profile Nylon-Insert Locknuts, 50PK

Zoro # G222860106
Mfr # X1E-FAS-NUT-LOC-3430x50
product price: 
$12.29
/pk of 50, $0.25/ea
X1 Tools 1-14 Hi Performance Zinc-Plated Steel Thin-Profile Nylon-Insert Locknuts, 100PK X1E-FAS-NUT-LOC-3322x100
X1 Tools

1-14 Hi Performance Zinc-Plated Steel Thin-Profile Nylon-Insert Locknuts, 100PK

Zoro # G322865117
Mfr # X1E-FAS-NUT-LOC-3322x100
product price: 
$1,388.99
/pk of 100, $13.89/ea
X1 Tools M24 x 3 mm Performance Zinc-Plated Steel Nylon-Insert Locknuts, 150PK X1E-FAS-NUT-LOC-1994x150
X1 Tools

M24 x 3 mm Performance Zinc-Plated Steel Nylon-Insert Locknuts, 150PK

Zoro # G022850611
Mfr # X1E-FAS-NUT-LOC-1994x150
product price: 
$1,201.99
/pk of 150, $8.01/ea
Molex Nyl Locknut Pg42 Gy RAL7035 936000495
Molex

Nyl Locknut Pg42 Gy RAL7035

Zoro # G4047599
Mfr # 936000495
product price: 
$2.25
/ea
Sold in mult. of 29 for $65.25
X1 Tools 3/4-10 Corrosion-Resistant 18-8 Stainless Steel Thin-Profile Nylon-Insert Locknuts, 150PK X1E-FAS-NUT-LOC-3746x150
X1 Tools

3/4-10 Corrosion-Resistant 18-8 Stainless Steel Thin-Profile Nylon-Insert Locknuts, 150PK

Zoro # G522847838
Mfr # X1E-FAS-NUT-LOC-3746x150
product price: 
$2,402.99
/pk of 150, $16.02/ea
X1 Tools 7/16-20 Ultra Hi Performance Black-Oxide Steel Nylon-Insert Locknuts, 120PK X1E-FAS-NUT-LOC-1224x120
X1 Tools

7/16-20 Ultra Hi Performance Black-Oxide Steel Nylon-Insert Locknuts, 120PK

Zoro # G422845736
Mfr # X1E-FAS-NUT-LOC-1224x120
product price: 
$140.99
/pk of 120, $1.17/ea
Lock Nuts (10,000+ items) - Page 167
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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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