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  7. Lock Nuts

Lock Nuts (10,000+ items) - Page 162

X1 Tools M4 x 0.7 mm Performance Zinc-Plated Steel Thin-Profile Nylon-Insert Locknuts, 250PK X1E-FAS-NUT-LOC-3478x250
X1 Tools

M4 x 0.7 mm Performance Zinc-Plated Steel Thin-Profile Nylon-Insert Locknuts, 250PK

Zoro # G222845288
Mfr # X1E-FAS-NUT-LOC-3478x250
product price: 
$162.99
/pk 250, $0.65/ea
X1 Tools 7/16-20 Performance Zinc-Plated Steel Thin-Profile Nylon-Insert Locknuts, 200PK X1E-FAS-NUT-LOC-3440x200
X1 Tools

7/16-20 Performance Zinc-Plated Steel Thin-Profile Nylon-Insert Locknuts, 200PK

Zoro # G322867029
Mfr # X1E-FAS-NUT-LOC-3440x200
product price: 
$52.95
/pk 200, $0.26/ea
Zoro Select Lock Nut, 3/8"-16, Steel, Wax, 250 PK 37NXH
Zoro Select

Lock Nut, 3/8"-16, Steel, Wax, 250 PK

Zoro # G2453943
Mfr # 37NXH
product price: 
$383.99
/pk 250, $1.54/ea
X1 Tools 5/8-18 Corrosion-Resistant 18-8 Stainless Steel Thin-Profile Nylon-Insert Locknuts, 15PK X1E-FAS-NUT-LOC-3744x15
X1 Tools

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

Zoro # G222862490
Mfr # X1E-FAS-NUT-LOC-3744x15
product price: 
$111.99
/pk 15, $7.47/ea
Heico-Lock 2-Piece Wedge Lock Nut, M18-2.5, Steel, Class 10, Zinc-Coated, 15 9/20 mm Ht, 4 PK HLMG-18/10-B
Heico-Lock

2-Piece Wedge Lock Nut, M18-2.5, Steel, Class 10, Zinc-Coated, 15 9/20 mm Ht, 4 PK

Zoro # G411807424
Mfr # HLMG-18/10-B
product price: 
$19.79
/pk 4, $4.95/ea
X1 Tools 5/8-11 Hi-Performance Zinc-Plated Steel Nylon-Insert Locknuts, 8PK X1E-FAS-NUT-LOC-1622x8
X1 Tools

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

Zoro # G222852538
Mfr # X1E-FAS-NUT-LOC-1622x8
product price: 
$17.59
/pk 8, $2.20/ea
X1 Tools 5/16-18 Performance Zinc-Plated Steel Nylon-Insert Locknuts, 6PK X1E-FAS-NUT-LOC-1932x6
X1 Tools

5/16-18 Performance Zinc-Plated Steel Nylon-Insert Locknuts, 6PK

Zoro # G922850049
Mfr # X1E-FAS-NUT-LOC-1932x6
product price: 
$1.59
/pk 6, $0.27/ea
Sold in mult. of 6 for $9.54
X1 Tools 2-56 Performance Zinc-Plated Steel Thin-Profile Nylon-Insert Locknuts, 50PK X1E-FAS-NUT-LOC-3410x50
X1 Tools

2-56 Performance Zinc-Plated Steel Thin-Profile Nylon-Insert Locknuts, 50PK

Zoro # G022848458
Mfr # X1E-FAS-NUT-LOC-3410x50
product price: 
$28.75
/pk 50, $0.58/ea
X1 Tools 9/16-12 Performance Zinc-Plated Steel Nylon-Insert Locknuts, 12PK X1E-FAS-NUT-LOC-1948x12
X1 Tools

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

Zoro # G222849071
Mfr # X1E-FAS-NUT-LOC-1948x12
product price: 
$16.49
/pk 12, $1.37/ea
X1 Tools 3/4-16 Ultra Hi Performance Black-Oxide Steel Nylon-Insert Locknuts, 250PK X1E-FAS-NUT-LOC-1240x250
X1 Tools

3/4-16 Ultra Hi Performance Black-Oxide Steel Nylon-Insert Locknuts, 250PK

Zoro # G422849895
Mfr # X1E-FAS-NUT-LOC-1240x250
product price: 
$1,225.99
/pk 250, $4.90/ea
X1 Tools 7/16-20 Ultra H.P. Yellow Zinc Plated Grade 8 Steel Nylon-Insert Locknuts, 4PK X1E-FAS-NUT-LOC-1024x4
X1 Tools

7/16-20 Ultra H.P. Yellow Zinc Plated Grade 8 Steel Nylon-Insert Locknuts, 4PK

Zoro # G722844194
Mfr # X1E-FAS-NUT-LOC-1024x4
product price: 
$6.15
/pk 4, $1.54/ea
Sold in mult. of 2 for $12.30
X1 Tools 5/16-18 UHP Yellow Zinc Plated Grade 8 Steel Thin-Profile Nylon-Insert Locknuts, 100PK X1E-FAS-NUT-LOC-3014x100
X1 Tools

5/16-18 UHP Yellow Zinc Plated Grade 8 Steel Thin-Profile Nylon-Insert Locknuts, 100PK

Zoro # G122858562
Mfr # X1E-FAS-NUT-LOC-3014x100
product price: 
$41.49
/pk 100, $0.41/ea
X1 Tools 1-8 Hi-Performance Zinc-Plated Steel Nylon-Insert Locknuts, 200PK X1E-FAS-NUT-LOC-1628x200
X1 Tools

1-8 Hi-Performance Zinc-Plated Steel Nylon-Insert Locknuts, 200PK

Zoro # G222865101
Mfr # X1E-FAS-NUT-LOC-1628x200
product price: 
$1,528.99
/pk 200, $7.64/ea
X1 Tools 10-24 Corrosion-Resistant 18-8 Stainless Steel Thin-Profile Nylon-Insert Locknuts, 12PK X1E-FAS-NUT-LOC-3716x12
X1 Tools

10-24 Corrosion-Resistant 18-8 Stainless Steel Thin-Profile Nylon-Insert Locknuts, 12PK

Zoro # G422865918
Mfr # X1E-FAS-NUT-LOC-3716x12
product price: 
$3.79
/pk 12, $0.32/ea
Sold in mult. of 3 for $11.37
X1 Tools 5/8-18 Corrosion-Resistant 18-8 Stainless Steel Thin-Profile Nylon-Insert Locknuts, 50PK X1E-FAS-NUT-LOC-3744x50
X1 Tools

5/8-18 Corrosion-Resistant 18-8 Stainless Steel Thin-Profile Nylon-Insert Locknuts, 50PK

Zoro # G522862114
Mfr # X1E-FAS-NUT-LOC-3744x50
product price: 
$349.99
/pk 50, $7.00/ea
X1 Tools 1 1/4-12 Ultra H.P. Yellow Zinc Plated Grade 8 Steel Nylon-Insert Locknuts, 500PK X1E-FAS-NUT-LOC-1060x500
X1 Tools

1 1/4-12 Ultra H.P. Yellow Zinc Plated Grade 8 Steel Nylon-Insert Locknuts, 500PK

Zoro # G422849512
Mfr # X1E-FAS-NUT-LOC-1060x500
product price: 
$21,998.99
/pk 500, $44.00/ea
X1 Tools 3/4-16 Performance Zinc-Plated Steel Thin-Profile Nylon-Insert Locknuts, 400PK X1E-FAS-NUT-LOC-3456x400
X1 Tools

3/4-16 Performance Zinc-Plated Steel Thin-Profile Nylon-Insert Locknuts, 400PK

Zoro # G122847757
Mfr # X1E-FAS-NUT-LOC-3456x400
product price: 
$1,077.99
/pk 400, $2.69/ea
X1 Tools 4-40 Black-Oxide Corrosion-Resistant 18-8 Stainless Steel Thin-Profile Nylon-Insert Locknuts, 250PK X1E-FAS-NUT-LOC-3810x250
X1 Tools

4-40 Black-Oxide Corrosion-Resistant 18-8 Stainless Steel Thin-Profile Nylon-Insert Locknuts, 250PK

Zoro # G022849493
Mfr # X1E-FAS-NUT-LOC-3810x250
product price: 
$80.25
/pk 250, $0.32/ea
X1 Tools M5 x 0.8 mm Performance Zinc-Plated Steel Nylon-Insert Locknuts X1E-FAS-NUT-LOC-1974x1
X1 Tools

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

Zoro # G222856260
Mfr # X1E-FAS-NUT-LOC-1974x1
product price: 
$0.61
/ea
Sold in mult. of 15 for $9.15
X1 Tools 10-24 Black-Oxide Corrosion-Resistant 18-8 Stainless Steel Thin-Profile Nylon-Insert Locknuts, 2PK X1E-FAS-NUT-LOC-3816x2
X1 Tools

10-24 Black-Oxide Corrosion-Resistant 18-8 Stainless Steel Thin-Profile Nylon-Insert Locknuts, 2PK

Zoro # G622855160
Mfr # X1E-FAS-NUT-LOC-3816x2
product price: 
$1.89
/pk 2, $0.95/ea
Sold in mult. of 5 for $9.45
X1 Tools 7/16-20 UHP Black-Oxide Grade 8 Steel Thin-Profile Nylon-Insert Locknuts, 10PK X1E-FAS-NUT-LOC-3222x10
X1 Tools

7/16-20 UHP Black-Oxide Grade 8 Steel Thin-Profile Nylon-Insert Locknuts, 10PK

Zoro # G922858656
Mfr # X1E-FAS-NUT-LOC-3222x10
product price: 
$29.19
/pk 10, $2.92/ea
X1 Tools 7/16-20 Performance Zinc-Plated Steel Thin-Profile Nylon-Insert Locknuts, 10PK X1E-FAS-NUT-LOC-3440x10
X1 Tools

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

Zoro # G322847755
Mfr # X1E-FAS-NUT-LOC-3440x10
product price: 
$3.35
/pk 10, $0.34/ea
Sold in mult. of 3 for $10.05
X1 Tools 7/16-20 Performance Zinc-Plated Steel Thin-Profile Nylon-Insert Locknuts, 75PK X1E-FAS-NUT-LOC-3440x75
X1 Tools

7/16-20 Performance Zinc-Plated Steel Thin-Profile Nylon-Insert Locknuts, 75PK

Zoro # G622851124
Mfr # X1E-FAS-NUT-LOC-3440x75
product price: 
$23.79
/pk 75, $0.32/ea
X1 Tools 3/4-16 Performance Zinc-Plated Steel Thin-Profile Nylon-Insert Locknuts, 20PK X1E-FAS-NUT-LOC-3456x20
X1 Tools

3/4-16 Performance Zinc-Plated Steel Thin-Profile Nylon-Insert Locknuts, 20PK

Zoro # G322851356
Mfr # X1E-FAS-NUT-LOC-3456x20
product price: 
$45.35
/pk 20, $2.27/ea
X1 Tools 5/16-24 Corrosion-Resistant 18-8 Stainless Steel Nylon-Insert Locknuts, 250PK X1E-FAS-NUT-LOC-2128x250
X1 Tools

5/16-24 Corrosion-Resistant 18-8 Stainless Steel Nylon-Insert Locknuts, 250PK

Zoro # G522857660
Mfr # X1E-FAS-NUT-LOC-2128x250
product price: 
$101.99
/pk 250, $0.41/ea
X1 Tools 5/8-18 Hi Performance Zinc-Plated Steel Thin-Profile Nylon-Insert Locknuts, 50PK X1E-FAS-NUT-LOC-3312x50
X1 Tools

5/8-18 Hi Performance Zinc-Plated Steel Thin-Profile Nylon-Insert Locknuts, 50PK

Zoro # G922845236
Mfr # X1E-FAS-NUT-LOC-3312x50
product price: 
$425.99
/pk 50, $8.52/ea
X1 Tools 1/4-20 Ultra H.P. Yellow Zinc Plated Grade 8 Steel Nylon-Insert Locknuts, 100PK X1E-FAS-NUT-LOC-1010x100
X1 Tools

1/4-20 Ultra H.P. Yellow Zinc Plated Grade 8 Steel Nylon-Insert Locknuts, 100PK

Zoro # G422844180
Mfr # X1E-FAS-NUT-LOC-1010x100
product price: 
$52.25
/pk 100, $0.52/ea
X1 Tools 3/8-24 Corrosion-Resistant 18-8 Stainless Steel Thin-Profile Nylon-Insert Locknuts, 1000PK X1E-FAS-NUT-LOC-3730x1000
X1 Tools

3/8-24 Corrosion-Resistant 18-8 Stainless Steel Thin-Profile Nylon-Insert Locknuts, 1000PK

Zoro # G922867009
Mfr # X1E-FAS-NUT-LOC-3730x1000
product price: 
$532.99
/pk 1000, $0.53/ea
X1 Tools 3/8-24 Corrosion-Resistant 18-8 Stainless Steel Thin-Profile Nylon-Insert Locknuts, 15PK X1E-FAS-NUT-LOC-3730x15
X1 Tools

3/8-24 Corrosion-Resistant 18-8 Stainless Steel Thin-Profile Nylon-Insert Locknuts, 15PK

Zoro # G122856322
Mfr # X1E-FAS-NUT-LOC-3730x15
product price: 
$14.15
/pk 15, $0.94/ea
X1 Tools 1 1/8-7 Corrosion-Resistant 18-8 Stainless Steel Thin-Profile Nylon-Insert Locknuts, 20PK X1E-FAS-NUT-LOC-3758x20
X1 Tools

1 1/8-7 Corrosion-Resistant 18-8 Stainless Steel Thin-Profile Nylon-Insert Locknuts, 20PK

Zoro # G122866468
Mfr # X1E-FAS-NUT-LOC-3758x20
product price: 
$720.99
/pk 20, $36.05/ea
X1 Tools 1 1/8-7 Performance Zinc-Plated Steel Thin-Profile Nylon-Insert Locknuts, 400PK X1E-FAS-NUT-LOC-3466x400
X1 Tools

1 1/8-7 Performance Zinc-Plated Steel Thin-Profile Nylon-Insert Locknuts, 400PK

Zoro # G322849117
Mfr # X1E-FAS-NUT-LOC-3466x400
product price: 
$3,973.99
/pk 400, $9.93/ea
X1 Tools 10-32 Corrosion-Resistant 316 Stainless Steel Nylon-Insert Locknuts, 10PK X1E-FAS-NUT-LOC-2320x10
X1 Tools

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

Zoro # G022866896
Mfr # X1E-FAS-NUT-LOC-2320x10
product price: 
$3.79
/pk 10, $0.38/ea
Sold in mult. of 3 for $11.37
X1 Tools 10-32 Black-Oxide C.R. 18-8 Stainless Steel Nylon-Insert Locknuts, 15PK X1E-FAS-NUT-LOC-2228x15
X1 Tools

10-32 Black-Oxide C.R. 18-8 Stainless Steel Nylon-Insert Locknuts, 15PK

Zoro # G222844793
Mfr # X1E-FAS-NUT-LOC-2228x15
product price: 
$20.15
/pk 15, $1.34/ea
Zoro Select Lock Nut, 1/4"-20, Steel, Wax, 500 PK 14NXH
Zoro Select

Lock Nut, 1/4"-20, Steel, Wax, 500 PK

Zoro # G2453873
Mfr # 14NXH
product price: 
$248.99
/pk 500, $0.50/ea
Molex Nyl Locknut Pg7 Gy RAL7035 936000471
Molex

Nyl Locknut Pg7 Gy RAL7035

Zoro # G2754863
Mfr # 936000471
product price: 
$0.24
/ea
Sold in mult. of 266 for $63.84
X1 Tools 3/8-16 Corrosion-Resistant 18-8 Stainless Steel Nylon-Insert Locknuts, 100PK X1E-FAS-NUT-LOC-2129x100
X1 Tools

3/8-16 Corrosion-Resistant 18-8 Stainless Steel Nylon-Insert Locknuts, 100PK

Zoro # G322847069
Mfr # X1E-FAS-NUT-LOC-2129x100
product price: 
$75.89
/pk 100, $0.76/ea
Lock Nuts (10,000+ items) - Page 162
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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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