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  7. Lock Nuts

Lock Nuts (10,000+ items) - Page 194

X1 Tools 10-32 Corrosion-Resistant 316 Stainless Steel Nylon-Insert Locknuts, 120PK X1E-FAS-NUT-LOC-2320x120
X1 Tools

10-32 Corrosion-Resistant 316 Stainless Steel Nylon-Insert Locknuts, 120PK

Zoro # G122854632
Mfr # X1E-FAS-NUT-LOC-2320x120
product price: 
$37.35
/pk 120, $0.31/ea
X1 Tools 5/8-18 Ultra Hi Performance Black-Oxide Steel Nylon-Insert Locknuts, 500PK X1E-FAS-NUT-LOC-1236x500
X1 Tools

5/8-18 Ultra Hi Performance Black-Oxide Steel Nylon-Insert Locknuts, 500PK

Zoro # G322852827
Mfr # X1E-FAS-NUT-LOC-1236x500
product price: 
$1,841.99
/pk 500, $3.68/ea
X1 Tools 7/8-14 Performance Zinc-Plated Steel Nylon-Insert Locknuts, 8PK X1E-FAS-NUT-LOC-1962x8
X1 Tools

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

Zoro # G922851084
Mfr # X1E-FAS-NUT-LOC-1962x8
product price: 
$35.55
/pk 8, $4.44/ea
X1 Tools M5 x 0.8 mm Performance Zinc-Plated Steel Thin-Profile Nylon-Insert Locknuts, 200PK X1E-FAS-NUT-LOC-3480x200
X1 Tools

M5 x 0.8 mm Performance Zinc-Plated Steel Thin-Profile Nylon-Insert Locknuts, 200PK

Zoro # G322844952
Mfr # X1E-FAS-NUT-LOC-3480x200
product price: 
$141.99
/pk 200, $0.71/ea
X1 Tools 3/8-24 Corrosion-Resistant 18-8 Stainless Steel Nylon-Insert Locknuts, 8PK X1E-FAS-NUT-LOC-2130x8
X1 Tools

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

Zoro # G722863799
Mfr # X1E-FAS-NUT-LOC-2130x8
product price: 
$12.69
/pk 8, $1.59/ea
Sold in mult. of 2 for $25.38
X1 Tools 3/8-16 Black-Oxide C.R. 18-8 Stainless Steel Nylon-Insert Locknuts, 150PK X1E-FAS-NUT-LOC-2240x150
X1 Tools

3/8-16 Black-Oxide C.R. 18-8 Stainless Steel Nylon-Insert Locknuts, 150PK

Zoro # G422853991
Mfr # X1E-FAS-NUT-LOC-2240x150
product price: 
$228.99
/pk 150, $1.53/ea
X1 Tools 5/16-18 Performance Black-Corrosion-Resistant-Coated Steel Nylon-Ins. Locknuts X1E-FAS-NUT-LOC-2020x1
X1 Tools

5/16-18 Performance Black-Corrosion-Resistant-Coated Steel Nylon-Ins. Locknuts

Zoro # G622851278
Mfr # X1E-FAS-NUT-LOC-2020x1
product price: 
$5.79
/ea
Sold in mult. of 2 for $11.58
X1 Tools 6-32 Corrosion-Resistant 18-8 Stainless Steel Thin-Profile Nylon-Insert Locknuts, 50PK X1E-FAS-NUT-LOC-3712x50
X1 Tools

6-32 Corrosion-Resistant 18-8 Stainless Steel Thin-Profile Nylon-Insert Locknuts, 50PK

Zoro # G322855248
Mfr # X1E-FAS-NUT-LOC-3712x50
product price: 
$16.15
/pk 50, $0.32/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
Zoro Select Lock Nut, Stainless Steel, 1/8", PK5 FLJNIX050-005P
Zoro Select

Lock Nut, Stainless Steel, 1/8", PK5

Zoro # G722961990
Mfr # FLJNIX050-005P
product price: 
$29.39
/pk 5, $5.88/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 6, $0.19/ea
Sold in mult. of 9 for $10.35
X1 Tools 3/4-16 Ultra H.P. Yellow Zinc Plated Grade 8 Steel Nylon-Insert Locknuts, 25PK X1E-FAS-NUT-LOC-1040x25
X1 Tools

3/4-16 Ultra H.P. Yellow Zinc Plated Grade 8 Steel Nylon-Insert Locknuts, 25PK

Zoro # G022846157
Mfr # X1E-FAS-NUT-LOC-1040x25
product price: 
$102.99
/pk 25, $4.12/ea
X1 Tools 2-56 Performance Zinc-Plated Steel Thin-Profile Nylon-Insert Locknuts, 200PK X1E-FAS-NUT-LOC-3410x200
X1 Tools

2-56 Performance Zinc-Plated Steel Thin-Profile Nylon-Insert Locknuts, 200PK

Zoro # G522853143
Mfr # X1E-FAS-NUT-LOC-3410x200
product price: 
$94.69
/pk 200, $0.47/ea
X1 Tools 7/16-20 Corrosion-Resistant 316 Stainless Steel Thin-Profile Nylon-Insert Locknuts, 20PK X1E-FAS-NUT-LOC-3928x20
X1 Tools

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

Zoro # G622847455
Mfr # X1E-FAS-NUT-LOC-3928x20
product price: 
$41.95
/pk 20, $2.10/ea
X1 Tools 5/8-11 Ultra H.P. Yellow Zinc Plated Grade 8 Steel Nylon-Insert Locknuts, 1000PK X1E-FAS-NUT-LOC-1034x1000
X1 Tools

5/8-11 Ultra H.P. Yellow Zinc Plated Grade 8 Steel Nylon-Insert Locknuts, 1000PK

Zoro # G822846715
Mfr # X1E-FAS-NUT-LOC-1034x1000
product price: 
$3,585.99
/pk 1000, $3.59/ea
X1 Tools 7/16-20 Ultra Hi Performance Black-Oxide Steel Nylon-Insert Locknuts, 15PK X1E-FAS-NUT-LOC-1224x15
X1 Tools

7/16-20 Ultra Hi Performance Black-Oxide Steel Nylon-Insert Locknuts, 15PK

Zoro # G422845750
Mfr # X1E-FAS-NUT-LOC-1224x15
product price: 
$21.89
/pk 15, $1.46/ea
X1 Tools 4-40 Performance Zinc-Plated Steel Nylon-Insert Locknuts, 4PK X1E-FAS-NUT-LOC-1914x4
X1 Tools

4-40 Performance Zinc-Plated Steel Nylon-Insert Locknuts, 4PK

Zoro # G722862372
Mfr # X1E-FAS-NUT-LOC-1914x4
product price: 
$0.90
/pk 4, $0.23/ea
Sold in mult. of 10 for $9.00
X1 Tools 1/4-20 Corrosion-Resistant 316 Stainless Steel Thin-Profile Nylon-Insert Locknuts, 500PK X1E-FAS-NUT-LOC-3914x500
X1 Tools

1/4-20 Corrosion-Resistant 316 Stainless Steel Thin-Profile Nylon-Insert Locknuts, 500PK

Zoro # G622858079
Mfr # X1E-FAS-NUT-LOC-3914x500
product price: 
$310.99
/pk 500, $0.62/ea
X1 Tools 6-32 Black-Oxide Corrosion-Resistant 18-8 Stainless Steel Thin-Profile Nylon-Insert Locknuts, 150PK X1E-FAS-NUT-LOC-3812x150
X1 Tools

6-32 Black-Oxide Corrosion-Resistant 18-8 Stainless Steel Thin-Profile Nylon-Insert Locknuts, 150PK

Zoro # G122848235
Mfr # X1E-FAS-NUT-LOC-3812x150
product price: 
$65.25
/pk 150, $0.44/ea
X1 Tools M8 x 1.25 mm Performance Zinc-Plated Steel Thin-Profile Nylon-Insert Locknuts, 6PK X1E-FAS-NUT-LOC-3484x6
X1 Tools

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

Zoro # G722847485
Mfr # X1E-FAS-NUT-LOC-3484x6
product price: 
$20.19
/pk 6, $3.37/ea
Erickson Locknut and StopScrew, ER20 SolidLock Nut LNSRER20M
Erickson

Locknut and StopScrew, ER20 SolidLock Nut

Zoro # G3587401
Mfr # LNSRER20M
product price: 
$31.99
/ea
X1 Tools 5-40 Performance Zinc-Plated Steel Thin-Profile Nylon-Insert Locknuts, 4PK X1E-FAS-NUT-LOC-3414x4
X1 Tools

5-40 Performance Zinc-Plated Steel Thin-Profile Nylon-Insert Locknuts, 4PK

Zoro # G122851563
Mfr # X1E-FAS-NUT-LOC-3414x4
product price: 
$1.15
/pk 4, $0.29/ea
Sold in mult. of 9 for $10.35
X1 Tools 3/8-24 Corrosion-Resistant 316 Stainless Steel Thin-Profile Nylon-Insert Locknuts, 200PK X1E-FAS-NUT-LOC-3924x200
X1 Tools

3/8-24 Corrosion-Resistant 316 Stainless Steel Thin-Profile Nylon-Insert Locknuts, 200PK

Zoro # G722856135
Mfr # X1E-FAS-NUT-LOC-3924x200
product price: 
$238.99
/pk 200, $1.19/ea
Newport Fasteners Nylon Insert Lock Nut, 1/2"-20, 316 Stainless Steel, Not Graded, 100 PK 373302-PR-100
Newport Fasteners

Nylon Insert Lock Nut, 1/2"-20, 316 Stainless Steel, Not Graded, 100 PK

Zoro # G406327630
Mfr # 373302-PR-100
product price: 
$237.99
/pk 100, $2.38/ea
X1 Tools 1 1/4-12 Ultra H.P. Yellow Zinc Plated Grade 8 Steel Nylon-Insert Locknuts, 120PK X1E-FAS-NUT-LOC-1060x120
X1 Tools

1 1/4-12 Ultra H.P. Yellow Zinc Plated Grade 8 Steel Nylon-Insert Locknuts, 120PK

Zoro # G522848729
Mfr # X1E-FAS-NUT-LOC-1060x120
product price: 
$5,458.99
/pk 120, $45.49/ea
X1 Tools 5/16-24 UHP Black-Oxide Grade 8 Steel Thin-Profile Nylon-Insert Locknuts, 250PK X1E-FAS-NUT-LOC-3216x250
X1 Tools

5/16-24 UHP Black-Oxide Grade 8 Steel Thin-Profile Nylon-Insert Locknuts, 250PK

Zoro # G722851062
Mfr # X1E-FAS-NUT-LOC-3216x250
product price: 
$651.99
/pk 250, $2.61/ea
X1 Tools 1/2-13 Performance Zinc-Plated Steel Nylon-Insert Locknuts, 2PK X1E-FAS-NUT-LOC-1944x2
X1 Tools

1/2-13 Performance Zinc-Plated Steel Nylon-Insert Locknuts, 2PK

Zoro # G822851030
Mfr # X1E-FAS-NUT-LOC-1944x2
product price: 
$1.89
/pk 2, $0.95/ea
Sold in mult. of 5 for $9.45
X1 Tools 7/16-20 UHP Yellow Zinc Plated Grade 8 Steel Thin-Profile Nylon-Insert Locknuts, 75PK X1E-FAS-NUT-LOC-3024x75
X1 Tools

7/16-20 UHP Yellow Zinc Plated Grade 8 Steel Thin-Profile Nylon-Insert Locknuts, 75PK

Zoro # G722845405
Mfr # X1E-FAS-NUT-LOC-3024x75
product price: 
$70.85
/pk 75, $0.94/ea
X1 Tools 7/16-20 Ultra H.P. Yellow Zinc Plated Grade 8 Steel Nylon-Insert Locknuts, 25PK X1E-FAS-NUT-LOC-1024x25
X1 Tools

7/16-20 Ultra H.P. Yellow Zinc Plated Grade 8 Steel Nylon-Insert Locknuts, 25PK

Zoro # G722847324
Mfr # X1E-FAS-NUT-LOC-1024x25
product price: 
$33.75
/pk 25, $1.35/ea
X1 Tools 3/8-24 Black-Oxide Corrosion-Resistant 18-8 Stainless Steel Thin-Profile Nylon-Insert Locknuts, 15PK X1E-FAS-NUT-LOC-3826x15
X1 Tools

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

Zoro # G522863487
Mfr # X1E-FAS-NUT-LOC-3826x15
product price: 
$21.39
/pk 15, $1.43/ea
X1 Tools 10-24 Performance Black-Corrosion-Resistant-Coated Steel Nylon-Insert Locknuts, 50PK X1E-FAS-NUT-LOC-2014x50
X1 Tools

10-24 Performance Black-Corrosion-Resistant-Coated Steel Nylon-Insert Locknuts, 50PK

Zoro # G022860825
Mfr # X1E-FAS-NUT-LOC-2014x50
product price: 
$186.99
/pk 50, $3.74/ea
X1 Tools 1/4-28 Corrosion-Resistant 316 Stainless Steel Thin-Profile Nylon-Insert Locknuts, 20PK X1E-FAS-NUT-LOC-3916x20
X1 Tools

1/4-28 Corrosion-Resistant 316 Stainless Steel Thin-Profile Nylon-Insert Locknuts, 20PK

Zoro # G622849626
Mfr # X1E-FAS-NUT-LOC-3916x20
product price: 
$17.39
/pk 20, $0.87/ea
Durastar Lock Nut, 3/8"-16, Black Oxide, 7/16 in Ht NT0607-C-X
Durastar

Lock Nut, 3/8"-16, Black Oxide, 7/16 in Ht

Zoro # G3734651
Mfr # NT0607-C-X
product price: 
$0.19
/ea
Sold in mult. of 100 for $19.00
Oxoxo M8-1.25 Din 985 Metric Class 8 Nylon Insert Hex Locknut Black Oxide and Oil, 1000PK 559092
Oxoxo

M8-1.25 Din 985 Metric Class 8 Nylon Insert Hex Locknut Black Oxide and Oil, 1000PK

Zoro # G322675938
Mfr # 559092
product price: 
$126.99
/pk 1000, $0.13/ea
Siemens Lock fitting unpressurized 7ML1930-1DQ
Siemens

Lock fitting unpressurized

Zoro # G716103405
Mfr # 7ML1930-1DQ
product price: 
$311.99
/ea
Sold in mult. of 2 for $623.98
Newport Fasteners Nylon Insert Lock Nut, 3/4"-10, 18-8 Stainless Steel, Not Graded, 50 PK 590240-PR-50
Newport Fasteners

Nylon Insert Lock Nut, 3/4"-10, 18-8 Stainless Steel, Not Graded, 50 PK

Zoro # G006329560
Mfr # 590240-PR-50
product price: 
$214.99
/pk 50, $4.30/ea
Lock Nuts (10,000+ items) - Page 194
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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
5/16-18 nylon locking nutdistorted lock nut3/8-16 ss nuts1/2" flange lock nut1/4" locking nut
4" lock nutsm12 nylon insert locknuts1" lock nutsnylon insert hex nut3/4 lock nuts

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