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  7. Lock Nuts

Lock Nuts (10,000+ items) - Page 225

X1 Tools 10-24 Corrosion-Resistant 18-8 Stainless Steel Nylon-Insert Locknuts, 8PK X1E-FAS-NUT-LOC-2121x8
X1 Tools

10-24 Corrosion-Resistant 18-8 Stainless Steel Nylon-Insert Locknuts, 8PK

Zoro # G522856335
Mfr # X1E-FAS-NUT-LOC-2121x8
product price: 
$2.35
/pk 8, $0.29/ea
Sold in mult. of 4 for $9.40
X1 Tools M20 x 2.5 mm Performance Zinc-Plated Steel Thin-Profile Nylon-Insert Locknuts, 150PK X1E-FAS-NUT-LOC-3496x150
X1 Tools

M20 x 2.5 mm Performance Zinc-Plated Steel Thin-Profile Nylon-Insert Locknuts, 150PK

Zoro # G222845257
Mfr # X1E-FAS-NUT-LOC-3496x150
product price: 
$2,366.99
/pk 150, $15.78/ea
X1 Tools 5/8-18 Hi Performance Zinc-Plated Steel Thin-Profile Nylon-Insert Locknuts, 2PK X1E-FAS-NUT-LOC-3312x2
X1 Tools

5/8-18 Hi Performance Zinc-Plated Steel Thin-Profile Nylon-Insert Locknuts, 2PK

Zoro # G322855552
Mfr # X1E-FAS-NUT-LOC-3312x2
product price: 
$22.79
/pk 2, $11.40/ea
X1 Tools 7/16-14 UHP Yellow Zinc Plated Grade 8 Steel Thin-Profile Nylon-Insert Locknuts, 75PK X1E-FAS-NUT-LOC-3022x75
X1 Tools

7/16-14 UHP Yellow Zinc Plated Grade 8 Steel Thin-Profile Nylon-Insert Locknuts, 75PK

Zoro # G622863820
Mfr # X1E-FAS-NUT-LOC-3022x75
product price: 
$70.45
/pk 75, $0.94/ea
X1 Tools 1/4-28 UHP Black-Oxide Grade 8 Steel Thin-Profile Nylon-Insert Locknuts, 6PK X1E-FAS-NUT-LOC-3212x6
X1 Tools

1/4-28 UHP Black-Oxide Grade 8 Steel Thin-Profile Nylon-Insert Locknuts, 6PK

Zoro # G822857582
Mfr # X1E-FAS-NUT-LOC-3212x6
product price: 
$19.19
/pk 6, $3.20/ea
X1 Tools 3/4-16 Corrosion-Resistant 18-8 Stainless Steel Thin-Profile Nylon-Insert Locknuts, 200PK X1E-FAS-NUT-LOC-3748x200
X1 Tools

3/4-16 Corrosion-Resistant 18-8 Stainless Steel Thin-Profile Nylon-Insert Locknuts, 200PK

Zoro # G522865948
Mfr # X1E-FAS-NUT-LOC-3748x200
product price: 
$5,796.99
/pk 200, $28.98/ea
X1 Tools 1/2-13 Black-Oxide Corrosion-Resistant 18-8 Stainless Steel Thin-Profile Nylon-Insert Locknut, 120PK X1E-FAS-NUT-LOC-3828x120
X1 Tools

1/2-13 Black-Oxide Corrosion-Resistant 18-8 Stainless Steel Thin-Profile Nylon-Insert Locknut, 120PK

Zoro # G022859690
Mfr # X1E-FAS-NUT-LOC-3828x120
product price: 
$321.99
/pk 120, $2.68/ea
X1 Tools M20 x 2.5 mm Performance Zinc-Plated Steel Thin-Profile Nylon-Insert Locknuts, 1000PK X1E-FAS-NUT-LOC-3496x1000
X1 Tools

M20 x 2.5 mm Performance Zinc-Plated Steel Thin-Profile Nylon-Insert Locknuts, 1000PK

Zoro # G422853762
Mfr # X1E-FAS-NUT-LOC-3496x1000
product price: 
$14,975.99
/pk 1000, $14.98/ea
X1 Tools 5/8-11 Corrosion-Resistant 18-8 Stainless Steel Thin-Profile Nylon-Insert Locknuts, 15PK X1E-FAS-NUT-LOC-3742x15
X1 Tools

5/8-11 Corrosion-Resistant 18-8 Stainless Steel Thin-Profile Nylon-Insert Locknuts, 15PK

Zoro # G822865464
Mfr # X1E-FAS-NUT-LOC-3742x15
product price: 
$90.15
/pk 15, $6.01/ea
X1 Tools 9/16-18 Corrosion-Resistant 18-8 Stainless Steel Nylon-Insert Locknuts, 100PK X1E-FAS-NUT-LOC-2136x100
X1 Tools

9/16-18 Corrosion-Resistant 18-8 Stainless Steel Nylon-Insert Locknuts, 100PK

Zoro # G822851191
Mfr # X1E-FAS-NUT-LOC-2136x100
product price: 
$474.99
/pk 100, $4.75/ea
X1 Tools M8 x 1.25 mm Performance Zinc-Plated Steel Nylon-Insert Locknuts, 6PK X1E-FAS-NUT-LOC-1978x6
X1 Tools

M8 x 1.25 mm Performance Zinc-Plated Steel Nylon-Insert Locknuts, 6PK

Zoro # G322862369
Mfr # X1E-FAS-NUT-LOC-1978x6
product price: 
$2.29
/pk 6, $0.38/ea
Sold in mult. of 4 for $9.16
X1 Tools 1/2-13 Corrosion-Resistant 18-8 Stainless Steel Nylon-Insert Locknuts, 250PK X1E-FAS-NUT-LOC-2133x250
X1 Tools

1/2-13 Corrosion-Resistant 18-8 Stainless Steel Nylon-Insert Locknuts, 250PK

Zoro # G922848763
Mfr # X1E-FAS-NUT-LOC-2133x250
product price: 
$330.99
/pk 250, $1.32/ea
X1 Tools M14 x 2 mm Performance Zinc-Plated Steel Nylon-Insert Locknuts, 120PK X1E-FAS-NUT-LOC-1984x120
X1 Tools

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

Zoro # G822848283
Mfr # X1E-FAS-NUT-LOC-1984x120
product price: 
$136.99
/pk 120, $1.14/ea
X1 Tools 6-32 Performance Zinc-Plated Steel Nylon-Insert Locknuts, 15PK X1E-FAS-NUT-LOC-1918x15
X1 Tools

6-32 Performance Zinc-Plated Steel Nylon-Insert Locknuts, 15PK

Zoro # G622862380
Mfr # X1E-FAS-NUT-LOC-1918x15
product price: 
$2.15
/pk 15, $0.14/ea
Sold in mult. of 5 for $10.75
Newport Fasteners Nylon Insert Lock Nut, 5/8"-11, Steel, Grade A, Yellow Zinc, 550 PK 269101-BR-550
Newport Fasteners

Nylon Insert Lock Nut, 5/8"-11, Steel, Grade A, Yellow Zinc, 550 PK

Zoro # G206327564
Mfr # 269101-BR-550
product price: 
$395.99
/pk 550, $0.72/ea
X1 Tools 5/16-24 Performance Zinc-Plated Steel Thin-Profile Nylon-Insert Locknuts, 50PK X1E-FAS-NUT-LOC-3432x50
X1 Tools

5/16-24 Performance Zinc-Plated Steel Thin-Profile Nylon-Insert Locknuts, 50PK

Zoro # G922858083
Mfr # X1E-FAS-NUT-LOC-3432x50
product price: 
$13.95
/pk 50, $0.28/ea
X1 Tools 3/8-24 Corrosion-Resistant 316 Stainless Steel Nylon-Insert Locknuts, 10PK X1E-FAS-NUT-LOC-2334x10
X1 Tools

3/8-24 Corrosion-Resistant 316 Stainless Steel Nylon-Insert Locknuts, 10PK

Zoro # G422849062
Mfr # X1E-FAS-NUT-LOC-2334x10
product price: 
$14.49
/pk 10, $1.45/ea
X1 Tools 9/16-12 Performance Zinc-Plated Steel Thin-Profile Nylon-Insert Locknuts, 50PK X1E-FAS-NUT-LOC-3446x50
X1 Tools

9/16-12 Performance Zinc-Plated Steel Thin-Profile Nylon-Insert Locknuts, 50PK

Zoro # G422858521
Mfr # X1E-FAS-NUT-LOC-3446x50
product price: 
$32.49
/pk 50, $0.65/ea
X1 Tools 9/16-18 Performance Zinc-Plated Steel Thin-Profile Nylon-Insert Locknuts, 250PK X1E-FAS-NUT-LOC-3448x250
X1 Tools

9/16-18 Performance Zinc-Plated Steel Thin-Profile Nylon-Insert Locknuts, 250PK

Zoro # G222849316
Mfr # X1E-FAS-NUT-LOC-3448x250
product price: 
$129.99
/pk 250, $0.52/ea
X1 Tools 3/8-16 Corrosion-Resistant 18-8 Stainless Steel Thin-Profile Nylon-Insert Locknuts, 400PK X1E-FAS-NUT-LOC-3728x400
X1 Tools

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

Zoro # G322853923
Mfr # X1E-FAS-NUT-LOC-3728x400
product price: 
$194.99
/pk 400, $0.49/ea
X1 Tools 1/2-13 Performance Black-Corrosion-Resistant-Coated Steel Nylon-Insert Locknuts X1E-FAS-NUT-LOC-2024x1
X1 Tools

1/2-13 Performance Black-Corrosion-Resistant-Coated Steel Nylon-Insert Locknuts

Zoro # G922856867
Mfr # X1E-FAS-NUT-LOC-2024x1
product price: 
$10.49
/ea
Sold in mult. of 2 for $20.98
X1 Tools 3/8-24 Black-Oxide C.R. 18-8 Stainless Steel Nylon-Insert Locknuts, 4PK X1E-FAS-NUT-LOC-2242x4
X1 Tools

3/8-24 Black-Oxide C.R. 18-8 Stainless Steel Nylon-Insert Locknuts, 4PK

Zoro # G222867068
Mfr # X1E-FAS-NUT-LOC-2242x4
product price: 
$17.19
/pk 4, $4.30/ea
X1 Tools 4-40 Black-Oxide C.R. 18-8 Stainless Steel Nylon-Insert Locknuts, 12PK X1E-FAS-NUT-LOC-2214x12
X1 Tools

4-40 Black-Oxide C.R. 18-8 Stainless Steel Nylon-Insert Locknuts, 12PK

Zoro # G822857414
Mfr # X1E-FAS-NUT-LOC-2214x12
product price: 
$4.19
/pk 12, $0.35/ea
Sold in mult. of 3 for $12.57
X1 Tools M18 x 2.5 mm Performance Zinc-Plated Steel Nylon-Insert Locknuts, 400PK X1E-FAS-NUT-LOC-1988x400
X1 Tools

M18 x 2.5 mm Performance Zinc-Plated Steel Nylon-Insert Locknuts, 400PK

Zoro # G822865747
Mfr # X1E-FAS-NUT-LOC-1988x400
product price: 
$1,238.99
/pk 400, $3.10/ea
X1 Tools 10-32 Corrosion-Resistant 316 Stainless Steel Thin-Profile Nylon-Insert Locknuts, 250PK X1E-FAS-NUT-LOC-3912x250
X1 Tools

10-32 Corrosion-Resistant 316 Stainless Steel Thin-Profile Nylon-Insert Locknuts, 250PK

Zoro # G922853552
Mfr # X1E-FAS-NUT-LOC-3912x250
product price: 
$186.99
/pk 250, $0.75/ea
X1 Tools 7/16-14 Corrosion-Resistant 18-8 Stainless Steel Nylon-Insert Locknuts, 20PK X1E-FAS-NUT-LOC-2131x20
X1 Tools

7/16-14 Corrosion-Resistant 18-8 Stainless Steel Nylon-Insert Locknuts, 20PK

Zoro # G222863169
Mfr # X1E-FAS-NUT-LOC-2131x20
product price: 
$21.59
/pk 20, $1.08/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 1000, $3.44/ea
X1 Tools 1/2-13 Black-Oxide Corrosion-Resistant 18-8 Stainless Steel Thin-Profile Nylon-Insert Locknut, 200PK X1E-FAS-NUT-LOC-3828x200
X1 Tools

1/2-13 Black-Oxide Corrosion-Resistant 18-8 Stainless Steel Thin-Profile Nylon-Insert Locknut, 200PK

Zoro # G222854723
Mfr # X1E-FAS-NUT-LOC-3828x200
product price: 
$524.99
/pk 200, $2.62/ea
X1 Tools 1 1/8-7 Corrosion-Resistant 18-8 Stainless Steel Thin-Profile Nylon-Insert Locknuts, 200PK X1E-FAS-NUT-LOC-3758x200
X1 Tools

1 1/8-7 Corrosion-Resistant 18-8 Stainless Steel Thin-Profile Nylon-Insert Locknuts, 200PK

Zoro # G522861711
Mfr # X1E-FAS-NUT-LOC-3758x200
product price: 
$7,544.99
/pk 200, $37.72/ea
X1 Tools 1-14 Corrosion-Resistant 18-8 Stainless Steel Nylon-Insert Locknuts, 2PK X1E-FAS-NUT-LOC-2145x2
X1 Tools

1-14 Corrosion-Resistant 18-8 Stainless Steel Nylon-Insert Locknuts, 2PK

Zoro # G622853210
Mfr # X1E-FAS-NUT-LOC-2145x2
product price: 
$40.25
/pk 2, $20.13/ea
X1 Tools 5/16-18 Black-Oxide C.R. 18-8 Stainless Steel Nylon-Insert Locknuts, 6PK X1E-FAS-NUT-LOC-2236x6
X1 Tools

5/16-18 Black-Oxide C.R. 18-8 Stainless Steel Nylon-Insert Locknuts, 6PK

Zoro # G122848136
Mfr # X1E-FAS-NUT-LOC-2236x6
product price: 
$5.89
/pk 6, $0.98/ea
Sold in mult. of 2 for $11.78
X1 Tools 3/8-24 Ultra H.P. Yellow Zinc Plated Grade 8 Steel Nylon-Insert Locknuts, 2PK X1E-FAS-NUT-LOC-1020x2
X1 Tools

3/8-24 Ultra H.P. Yellow Zinc Plated Grade 8 Steel Nylon-Insert Locknuts, 2PK

Zoro # G022844511
Mfr # X1E-FAS-NUT-LOC-1020x2
product price: 
$2.15
/pk 2, $1.08/ea
Sold in mult. of 5 for $10.75
X1 Tools 7/16-20 Performance Zinc-Plated Steel Nylon-Insert Locknuts, 10PK X1E-FAS-NUT-LOC-1942x10
X1 Tools

7/16-20 Performance Zinc-Plated Steel Nylon-Insert Locknuts, 10PK

Zoro # G122855509
Mfr # X1E-FAS-NUT-LOC-1942x10
product price: 
$4.35
/pk 10, $0.43/ea
Sold in mult. of 3 for $13.05
Newport Fasteners Lock Nut, 3/8"-16, Steel, Grade C, Zinc Plated, 0.398 in Ht, 2000 PK 743966-BR-2000
Newport Fasteners

Lock Nut, 3/8"-16, Steel, Grade C, Zinc Plated, 0.398 in Ht, 2000 PK

Zoro # G506330028
Mfr # 743966-BR-2000
product price: 
$299.99
/pk 2000, $0.15/ea
X1 Tools 5/16-24 Corrosion-Resistant 18-8 Stainless Steel Thin-Profile Nylon-Insert Locknuts, 12PK X1E-FAS-NUT-LOC-3726x12
X1 Tools

5/16-24 Corrosion-Resistant 18-8 Stainless Steel Thin-Profile Nylon-Insert Locknuts, 12PK

Zoro # G422864928
Mfr # X1E-FAS-NUT-LOC-3726x12
product price: 
$9.99
/pk 12, $0.83/ea
Sold in mult. of 2 for $19.98
X1 Tools 5/8-11 Hi-Performance Zinc-Plated Steel Nylon-Insert Locknuts, 1000PK X1E-FAS-NUT-LOC-1622x1000
X1 Tools

5/8-11 Hi-Performance Zinc-Plated Steel Nylon-Insert Locknuts, 1000PK

Zoro # G322857211
Mfr # X1E-FAS-NUT-LOC-1622x1000
product price: 
$2,089.99
/pk 1000, $2.09/ea
Lock Nuts (10,000+ items) - Page 225
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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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