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  7. Lock Nuts

Lock Nuts (10,000+ items) - Page 251

X1 Tools 1/4-28 Corrosion-Resistant 316 Stainless Steel Thin-Profile Nylon-Insert Locknuts, 100PK X1E-FAS-NUT-LOC-3916x100
X1 Tools

1/4-28 Corrosion-Resistant 316 Stainless Steel Thin-Profile Nylon-Insert Locknuts, 100PK

Zoro # G822864856
Mfr # X1E-FAS-NUT-LOC-3916x100
product price: 
$64.95
/pk of 100, $0.65/ea
X1 Tools 3/4-10 Corrosion-Resistant 18-8 Stainless Steel Thin-Profile Nylon-Insert Locknuts, 20PK X1E-FAS-NUT-LOC-3746x20
X1 Tools

3/4-10 Corrosion-Resistant 18-8 Stainless Steel Thin-Profile Nylon-Insert Locknuts, 20PK

Zoro # G822847644
Mfr # X1E-FAS-NUT-LOC-3746x20
product price: 
$334.99
/pk of 20, $16.75/ea
X1 Tools 3/8-16 Corrosion-Resistant 316 Stainless Steel Nylon-Insert Locknuts, 250PK X1E-FAS-NUT-LOC-2332x250
X1 Tools

3/8-16 Corrosion-Resistant 316 Stainless Steel Nylon-Insert Locknuts, 250PK

Zoro # G722852601
Mfr # X1E-FAS-NUT-LOC-2332x250
product price: 
$177.99
/pk of 250, $0.71/ea
X1 Tools 10-24 Performance Zinc-Plated Steel Thin-Profile Nylon-Insert Locknuts, 500PK X1E-FAS-NUT-LOC-3420x500
X1 Tools

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

Zoro # G122863177
Mfr # X1E-FAS-NUT-LOC-3420x500
product price: 
$68.25
/pk of 500, $0.14/ea
X1 Tools 1/2-13 Ultra H.P. Yellow Zinc Plated Grade 8 Steel Nylon-Insert Locknuts, 8PK X1E-FAS-NUT-LOC-1026x8
X1 Tools

1/2-13 Ultra H.P. Yellow Zinc Plated Grade 8 Steel Nylon-Insert Locknuts, 8PK

Zoro # G922844468
Mfr # X1E-FAS-NUT-LOC-1026x8
product price: 
$16.99
/pk of 8, $2.12/ea
X1 Tools 1 1/8-7 Performance Zinc-Plated Steel Thin-Profile Nylon-Insert Locknuts, 12PK X1E-FAS-NUT-LOC-3466x12
X1 Tools

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

Zoro # G422851980
Mfr # X1E-FAS-NUT-LOC-3466x12
product price: 
$107.99
/pk of 12, $9.00/ea
X1 Tools 3/8-24 Corrosion-Resistant 316 Stainless Steel Nylon-Insert Locknuts, 120PK X1E-FAS-NUT-LOC-2334x120
X1 Tools

3/8-24 Corrosion-Resistant 316 Stainless Steel Nylon-Insert Locknuts, 120PK

Zoro # G022864106
Mfr # X1E-FAS-NUT-LOC-2334x120
product price: 
$113.99
/pk of 120, $0.95/ea
X1 Tools 7/8-14 Performance Zinc-Plated Steel Thin-Profile Nylon-Insert Locknuts, 400PK X1E-FAS-NUT-LOC-3460x400
X1 Tools

7/8-14 Performance Zinc-Plated Steel Thin-Profile Nylon-Insert Locknuts, 400PK

Zoro # G222862636
Mfr # X1E-FAS-NUT-LOC-3460x400
product price: 
$1,832.99
/pk of 400, $4.58/ea
X1 Tools 1/4-28 Corrosion-Resistant 316 Stainless Steel Nylon-Insert Locknuts, 15PK X1E-FAS-NUT-LOC-2326x15
X1 Tools

1/4-28 Corrosion-Resistant 316 Stainless Steel Nylon-Insert Locknuts, 15PK

Zoro # G922851527
Mfr # X1E-FAS-NUT-LOC-2326x15
product price: 
$12.25
/pk of 15, $0.82/ea
Sold in mult. of 2 pks for $24.50
X1 Tools 7/16-14 UHP Yellow Zinc Plated Grade 8 Steel Thin-Profile Nylon-Insert Locknuts, 120PK X1E-FAS-NUT-LOC-3022x120
X1 Tools

7/16-14 UHP Yellow Zinc Plated Grade 8 Steel Thin-Profile Nylon-Insert Locknuts, 120PK

Zoro # G722852458
Mfr # X1E-FAS-NUT-LOC-3022x120
product price: 
$110.99
/pk of 120, $0.92/ea
X1 Tools 3/4-16 Corrosion-Resistant 18-8 Stainless Steel Thin-Profile Nylon-Insert Locknuts, 400PK X1E-FAS-NUT-LOC-3748x400
X1 Tools

3/4-16 Corrosion-Resistant 18-8 Stainless Steel Thin-Profile Nylon-Insert Locknuts, 400PK

Zoro # G122860671
Mfr # X1E-FAS-NUT-LOC-3748x400
product price: 
$11,682.99
/pk of 400, $29.21/ea
X1 Tools 10-24 Corrosion-Resistant 316 Stainless Steel Thin-Profile Nylon-Insert Locknuts, 2PK X1E-FAS-NUT-LOC-3910x2
X1 Tools

10-24 Corrosion-Resistant 316 Stainless Steel Thin-Profile Nylon-Insert Locknuts, 2PK

Zoro # G422866946
Mfr # X1E-FAS-NUT-LOC-3910x2
product price: 
$2.45
/pk of 2, $1.23/ea
Sold in mult. of 4 pks for $9.80
X1 Tools 1/4-20 UHP Yellow Zinc Plated Grade 8 Steel Thin-Profile Nylon-Insert Locknuts, 50PK X1E-FAS-NUT-LOC-3010x50
X1 Tools

1/4-20 UHP Yellow Zinc Plated Grade 8 Steel Thin-Profile Nylon-Insert Locknuts, 50PK

Zoro # G222858790
Mfr # X1E-FAS-NUT-LOC-3010x50
product price: 
$15.99
/pk of 50, $0.32/ea
X1 Tools M8 x 1.25 mm Performance Zinc-Plated Steel Thin-Profile Nylon-Insert Locknuts, 75PK X1E-FAS-NUT-LOC-3484x75
X1 Tools

M8 x 1.25 mm Performance Zinc-Plated Steel Thin-Profile Nylon-Insert Locknuts, 75PK

Zoro # G822847934
Mfr # X1E-FAS-NUT-LOC-3484x75
product price: 
$183.99
/pk of 75, $2.45/ea
X1 Tools 1/4-28 Ultra Hi Performance Black-Oxide Steel Nylon-Insert Locknuts, 50PK X1E-FAS-NUT-LOC-1212x50
X1 Tools

1/4-28 Ultra Hi Performance Black-Oxide Steel Nylon-Insert Locknuts, 50PK

Zoro # G822846142
Mfr # X1E-FAS-NUT-LOC-1212x50
product price: 
$29.49
/pk of 50, $0.59/ea
Newport Fasteners Nylon Insert Lock Nut, 1/4"-20, Steel, Grade A, Zinc Plated, 3500 PK 565181-BR-3500
Newport Fasteners

Nylon Insert Lock Nut, 1/4"-20, Steel, Grade A, Zinc Plated, 3500 PK

Zoro # G206329711
Mfr # 565181-BR-3500
product price: 
$220.99
/pk of 3500, $0.06/ea
X1 Tools 1 1/4-7 Hi-Performance Zinc-Plated Steel Nylon-Insert Locknuts, 75PK X1E-FAS-NUT-LOC-1631x75
X1 Tools

1 1/4-7 Hi-Performance Zinc-Plated Steel Nylon-Insert Locknuts, 75PK

Zoro # G922857383
Mfr # X1E-FAS-NUT-LOC-1631x75
product price: 
$1,785.99
/pk of 75, $23.81/ea
X1 Tools 5/16-18 Ultra H.P. Yellow Zinc Plated Grade 8 Steel Nylon-Insert Locknuts, 10PK X1E-FAS-NUT-LOC-1014x10
X1 Tools

5/16-18 Ultra H.P. Yellow Zinc Plated Grade 8 Steel Nylon-Insert Locknuts, 10PK

Zoro # G622844454
Mfr # X1E-FAS-NUT-LOC-1014x10
product price: 
$12.75
/pk of 10, $1.28/ea
Sold in mult. of 2 pks for $25.50
X1 Tools 5/16-24 UHP Black-Oxide Grade 8 Steel Thin-Profile Nylon-Insert Locknuts, 4PK X1E-FAS-NUT-LOC-3216x4
X1 Tools

5/16-24 UHP Black-Oxide Grade 8 Steel Thin-Profile Nylon-Insert Locknuts, 4PK

Zoro # G622851865
Mfr # X1E-FAS-NUT-LOC-3216x4
product price: 
$16.69
/pk of 4, $4.17/ea
X1 Tools 7/16-14 Corrosion-Resistant 18-8 Stainless Steel Nylon-Insert Locknuts, 8PK X1E-FAS-NUT-LOC-2131x8
X1 Tools

7/16-14 Corrosion-Resistant 18-8 Stainless Steel Nylon-Insert Locknuts, 8PK

Zoro # G022853223
Mfr # X1E-FAS-NUT-LOC-2131x8
product price: 
$12.89
/pk of 8, $1.61/ea
Sold in mult. of 2 pks for $25.78
X1 Tools 5/8-11 Performance Zinc-Plated Steel Thin-Profile Nylon-Insert Locknuts, 15PK X1E-FAS-NUT-LOC-3450x15
X1 Tools

5/8-11 Performance Zinc-Plated Steel Thin-Profile Nylon-Insert Locknuts, 15PK

Zoro # G622850301
Mfr # X1E-FAS-NUT-LOC-3450x15
product price: 
$16.89
/pk of 15, $1.13/ea
Newport Fasteners Nylon Insert Lock Nut, 1/2"-20, 316 Stainless Steel, Not Graded, 1250 PK 373302-BR-1250
Newport Fasteners

Nylon Insert Lock Nut, 1/2"-20, 316 Stainless Steel, Not Graded, 1250 PK

Zoro # G106327671
Mfr # 373302-BR-1250
product price: 
$2,294.99
/pk of 1250, $1.84/ea
X1 Tools 7/16-20 Corrosion-Resistant 316 Stainless Steel Nylon-Insert Locknuts, 1000PK X1E-FAS-NUT-LOC-2338x1000
X1 Tools

7/16-20 Corrosion-Resistant 316 Stainless Steel Nylon-Insert Locknuts, 1000PK

Zoro # G222865255
Mfr # X1E-FAS-NUT-LOC-2338x1000
product price: 
$1,813.99
/pk of 1000, $1.81/ea
Zoro Select Lock Nut, 1/4"-20, Nylon, Zinc Plated, 0.225 in Ht, 2000 PK 14NSFL
Zoro Select

Lock Nut, 1/4"-20, Nylon, Zinc Plated, 0.225 in Ht, 2000 PK

Zoro # G2450699
Mfr # 14NSFL
product price: 
$186.99
/pk of 2000, $0.09/ea
X1 Tools 3/4-16 Corrosion-Resistant 18-8 Stainless Steel Thin-Profile Nylon-Insert Locknuts, 1000PK X1E-FAS-NUT-LOC-3748x1000
X1 Tools

3/4-16 Corrosion-Resistant 18-8 Stainless Steel Thin-Profile Nylon-Insert Locknuts, 1000PK

Zoro # G022854244
Mfr # X1E-FAS-NUT-LOC-3748x1000
product price: 
$28,523.99
/pk of 1000, $28.52/ea
X1 Tools 7/16-14 Corrosion-Resistant 18-8 Stainless Steel Nylon-Insert Locknuts, 10PK X1E-FAS-NUT-LOC-2131x10
X1 Tools

7/16-14 Corrosion-Resistant 18-8 Stainless Steel Nylon-Insert Locknuts, 10PK

Zoro # G522859190
Mfr # X1E-FAS-NUT-LOC-2131x10
product price: 
$13.69
/pk of 10, $1.37/ea
X1 Tools 1/2-13 Corrosion-Resistant 18-8 Stainless Steel Nylon-Insert Locknuts, 100PK X1E-FAS-NUT-LOC-2133x100
X1 Tools

1/2-13 Corrosion-Resistant 18-8 Stainless Steel Nylon-Insert Locknuts, 100PK

Zoro # G322864271
Mfr # X1E-FAS-NUT-LOC-2133x100
product price: 
$140.99
/pk of 100, $1.41/ea
X1 Tools 10-32 Corrosion-Resistant 18-8 Stainless Steel Nylon-Insert Locknuts, 100PK X1E-FAS-NUT-LOC-2122x100
X1 Tools

10-32 Corrosion-Resistant 18-8 Stainless Steel Nylon-Insert Locknuts, 100PK

Zoro # G522856403
Mfr # X1E-FAS-NUT-LOC-2122x100
product price: 
$23.69
/pk of 100, $0.24/ea
X1 Tools 5/8-11 Ultra H.P. Yellow Zinc Plated Grade 8 Steel Nylon-Insert Locknuts, 500PK X1E-FAS-NUT-LOC-1034x500
X1 Tools

5/8-11 Ultra H.P. Yellow Zinc Plated Grade 8 Steel Nylon-Insert Locknuts, 500PK

Zoro # G522847586
Mfr # X1E-FAS-NUT-LOC-1034x500
product price: 
$1,826.99
/pk of 500, $3.65/ea
X1 Tools 5-40 Performance Zinc-Plated Steel Nylon-Insert Locknuts, 500PK X1E-FAS-NUT-LOC-1916x500
X1 Tools

5-40 Performance Zinc-Plated Steel Nylon-Insert Locknuts, 500PK

Zoro # G022853407
Mfr # X1E-FAS-NUT-LOC-1916x500
product price: 
$51.45
/pk of 500, $0.10/ea
X1 Tools M24 x 3 mm Performance Zinc-Plated Steel Nylon-Insert Locknuts, 250PK X1E-FAS-NUT-LOC-1994x250
X1 Tools

M24 x 3 mm Performance Zinc-Plated Steel Nylon-Insert Locknuts, 250PK

Zoro # G222858653
Mfr # X1E-FAS-NUT-LOC-1994x250
product price: 
$1,973.99
/pk of 250, $7.90/ea
X1 Tools 1/4-28 Ultra Hi Performance Black-Oxide Steel Nylon-Insert Locknuts, 500PK X1E-FAS-NUT-LOC-1212x500
X1 Tools

1/4-28 Ultra Hi Performance Black-Oxide Steel Nylon-Insert Locknuts, 500PK

Zoro # G222851579
Mfr # X1E-FAS-NUT-LOC-1212x500
product price: 
$229.99
/pk of 500, $0.46/ea
X1 Tools M18 x 2.5 mm Performance Zinc-Plated Steel Thin-Profile Nylon-Insert Locknuts, 2PK X1E-FAS-NUT-LOC-3494x2
X1 Tools

M18 x 2.5 mm Performance Zinc-Plated Steel Thin-Profile Nylon-Insert Locknuts, 2PK

Zoro # G222864487
Mfr # X1E-FAS-NUT-LOC-3494x2
product price: 
$38.55
/pk of 2, $19.28/ea
X1 Tools 5/16-18 Performance Zinc-Plated Steel Nylon-Insert Locknuts, 4PK X1E-FAS-NUT-LOC-1932x4
X1 Tools

5/16-18 Performance Zinc-Plated Steel Nylon-Insert Locknuts, 4PK

Zoro # G522862497
Mfr # X1E-FAS-NUT-LOC-1932x4
product price: 
$1.25
/pk of 4, $0.31/ea
Sold in mult. of 8 pks for $10.00
X1 Tools 3/4-10 Corrosion-Resistant 18-8 Stainless Steel Nylon-Insert Locknuts, 75PK X1E-FAS-NUT-LOC-2139x75
X1 Tools

3/4-10 Corrosion-Resistant 18-8 Stainless Steel Nylon-Insert Locknuts, 75PK

Zoro # G322865872
Mfr # X1E-FAS-NUT-LOC-2139x75
product price: 
$355.99
/pk of 75, $4.75/ea
X1 Tools 1/4-28 UHP Yellow Zinc Plated Grade 8 Steel Thin-Profile Nylon-Insert Locknuts, 1000PK X1E-FAS-NUT-LOC-3012x1000
X1 Tools

1/4-28 UHP Yellow Zinc Plated Grade 8 Steel Thin-Profile Nylon-Insert Locknuts, 1000PK

Zoro # G422855926
Mfr # X1E-FAS-NUT-LOC-3012x1000
product price: 
$1,470.99
/pk of 1000, $1.47/ea
Lock Nuts (10,000+ items) - Page 251
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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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