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  7. Lock Nuts

Lock Nuts (10,000+ items) - Page 229

X1 Tools 1/2-13 UHP Yellow Zinc Plated Grade 8 Steel Thin-Profile Nylon-Insert Locknuts, 150PK X1E-FAS-NUT-LOC-3026x150
X1 Tools

1/2-13 UHP Yellow Zinc Plated Grade 8 Steel Thin-Profile Nylon-Insert Locknuts, 150PK

Zoro # G322855385
Mfr # X1E-FAS-NUT-LOC-3026x150
product price: 
$191.99
/pk 150, $1.28/ea
X1 Tools 7/8-14 Hi Performance Zinc-Plated Steel Thin-Profile Nylon-Insert Locknuts, 4PK X1E-FAS-NUT-LOC-3318x4
X1 Tools

7/8-14 Hi Performance Zinc-Plated Steel Thin-Profile Nylon-Insert Locknuts, 4PK

Zoro # G822845909
Mfr # X1E-FAS-NUT-LOC-3318x4
product price: 
$60.19
/pk 4, $15.05/ea
X1 Tools 7/16-20 UHP Black-Oxide Grade 8 Steel Thin-Profile Nylon-Insert Locknuts, 250PK X1E-FAS-NUT-LOC-3222x250
X1 Tools

7/16-20 UHP Black-Oxide Grade 8 Steel Thin-Profile Nylon-Insert Locknuts, 250PK

Zoro # G822848160
Mfr # X1E-FAS-NUT-LOC-3222x250
product price: 
$541.99
/pk 250, $2.17/ea
X1 Tools M14 x 2 mm Performance Zinc-Plated Steel Thin-Profile Nylon-Insert Locknuts, 75PK X1E-FAS-NUT-LOC-3490x75
X1 Tools

M14 x 2 mm Performance Zinc-Plated Steel Thin-Profile Nylon-Insert Locknuts, 75PK

Zoro # G022866766
Mfr # X1E-FAS-NUT-LOC-3490x75
product price: 
$274.99
/pk 75, $3.67/ea
X1 Tools 9/16-18 Performance Zinc-Plated Steel Thin-Profile Nylon-Insert Locknuts, 4PK X1E-FAS-NUT-LOC-3448x4
X1 Tools

9/16-18 Performance Zinc-Plated Steel Thin-Profile Nylon-Insert Locknuts, 4PK

Zoro # G822856646
Mfr # X1E-FAS-NUT-LOC-3448x4
product price: 
$2.89
/pk 4, $0.72/ea
Sold in mult. of 4 for $11.56
X1 Tools 1 1/8-7 Performance Zinc-Plated Steel Thin-Profile Nylon-Insert Locknuts, 100PK X1E-FAS-NUT-LOC-3466x100
X1 Tools

1 1/8-7 Performance Zinc-Plated Steel Thin-Profile Nylon-Insert Locknuts, 100PK

Zoro # G722859235
Mfr # X1E-FAS-NUT-LOC-3466x100
product price: 
$1,040.99
/pk 100, $10.41/ea
X1 Tools 6-32 Black-Oxide C.R. 18-8 Stainless Steel Nylon-Insert Locknuts, 6PK X1E-FAS-NUT-LOC-2218x6
X1 Tools

6-32 Black-Oxide C.R. 18-8 Stainless Steel Nylon-Insert Locknuts, 6PK

Zoro # G322853329
Mfr # X1E-FAS-NUT-LOC-2218x6
product price: 
$2.29
/pk 6, $0.38/ea
Sold in mult. of 4 for $9.16
X1 Tools 6-32 Corrosion-Resistant 18-8 Stainless Steel Thin-Profile Nylon-Insert Locknuts, 120PK X1E-FAS-NUT-LOC-3712x120
X1 Tools

6-32 Corrosion-Resistant 18-8 Stainless Steel Thin-Profile Nylon-Insert Locknuts, 120PK

Zoro # G522850432
Mfr # X1E-FAS-NUT-LOC-3712x120
product price: 
$31.99
/pk 120, $0.27/ea
X1 Tools 5/8-11 UHP Black-Oxide Grade 8 Steel Thin-Profile Nylon-Insert Locknuts, 12PK X1E-FAS-NUT-LOC-3228x12
X1 Tools

5/8-11 UHP Black-Oxide Grade 8 Steel Thin-Profile Nylon-Insert Locknuts, 12PK

Zoro # G822860698
Mfr # X1E-FAS-NUT-LOC-3228x12
product price: 
$66.89
/pk 12, $5.57/ea
X1 Tools 5/8-18 Ultra Hi Performance Black-Oxide Steel Nylon-Insert Locknuts, 6PK X1E-FAS-NUT-LOC-1236x6
X1 Tools

5/8-18 Ultra Hi Performance Black-Oxide Steel Nylon-Insert Locknuts, 6PK

Zoro # G022850208
Mfr # X1E-FAS-NUT-LOC-1236x6
product price: 
$23.69
/pk 6, $3.95/ea
X1 Tools M4 x 0.7 mm Performance Zinc-Plated Steel Nylon-Insert Locknuts X1E-FAS-NUT-LOC-1972x1
X1 Tools

M4 x 0.7 mm Performance Zinc-Plated Steel Nylon-Insert Locknuts

Zoro # G622850523
Mfr # X1E-FAS-NUT-LOC-1972x1
product price: 
$0.59
/ea
Sold in mult. of 16 for $9.44
X1 Tools 6-32 Performance Black-Corrosion-Resistant-Coated Steel Thin-Profile Nylon-Insert Locknuts, 400PK X1E-FAS-NUT-LOC-3610x400
X1 Tools

6-32 Performance Black-Corrosion-Resistant-Coated Steel Thin-Profile Nylon-Insert Locknuts, 400PK

Zoro # G122854571
Mfr # X1E-FAS-NUT-LOC-3610x400
product price: 
$1,328.99
/pk 400, $3.32/ea
X1 Tools 1 1/4-12 UHP Black-Oxide Grade 8 Steel Thin-Profile Nylon-Insert Locknuts, 250PK X1E-FAS-NUT-LOC-3238x250
X1 Tools

1 1/4-12 UHP Black-Oxide Grade 8 Steel Thin-Profile Nylon-Insert Locknuts, 250PK

Zoro # G922860888
Mfr # X1E-FAS-NUT-LOC-3238x250
product price: 
$8,006.99
/pk 250, $32.03/ea
X1 Tools 1 1/4-7 Performance Zinc-Plated Steel Nylon-Insert Locknuts, 50PK X1E-FAS-NUT-LOC-1970x50
X1 Tools

1 1/4-7 Performance Zinc-Plated Steel Nylon-Insert Locknuts, 50PK

Zoro # G922865067
Mfr # X1E-FAS-NUT-LOC-1970x50
product price: 
$1,156.99
/pk 50, $23.14/ea
X1 Tools 5/16-18 Corrosion-Resistant 316 Stainless Steel Thin-Profile Nylon-Insert Locknuts, 1000PK X1E-FAS-NUT-LOC-3918x1000
X1 Tools

5/16-18 Corrosion-Resistant 316 Stainless Steel Thin-Profile Nylon-Insert Locknuts, 1000PK

Zoro # G622852053
Mfr # X1E-FAS-NUT-LOC-3918x1000
product price: 
$788.99
/pk 1000, $0.79/ea
X1 Tools M12 x 1.75 mm Performance Zinc-Plated Steel Thin-Profile Nylon-Insert Locknuts, 120PK X1E-FAS-NUT-LOC-3488x120
X1 Tools

M12 x 1.75 mm Performance Zinc-Plated Steel Thin-Profile Nylon-Insert Locknuts, 120PK

Zoro # G322850588
Mfr # X1E-FAS-NUT-LOC-3488x120
product price: 
$322.99
/pk 120, $2.69/ea
X1 Tools 7/8-14 UHP Yellow Zinc Plated Grade 8 Steel Thin-Profile Nylon-Insert Locknuts, 10PK X1E-FAS-NUT-LOC-3036x10
X1 Tools

7/8-14 UHP Yellow Zinc Plated Grade 8 Steel Thin-Profile Nylon-Insert Locknuts, 10PK

Zoro # G322848547
Mfr # X1E-FAS-NUT-LOC-3036x10
product price: 
$113.99
/pk 10, $11.40/ea
X1 Tools 7/16-20 Corrosion-Resistant 316 Stainless Steel Nylon-Insert Locknuts, 250PK X1E-FAS-NUT-LOC-2338x250
X1 Tools

7/16-20 Corrosion-Resistant 316 Stainless Steel Nylon-Insert Locknuts, 250PK

Zoro # G322860488
Mfr # X1E-FAS-NUT-LOC-2338x250
product price: 
$380.99
/pk 250, $1.52/ea
Newport Fasteners Nylon Insert Lock Nut, 1/4"-28, 18-8 Stainless Steel, Not Graded, 7000 PK 577550-BR-7000
Newport Fasteners

Nylon Insert Lock Nut, 1/4"-28, 18-8 Stainless Steel, Not Graded, 7000 PK

Zoro # G106329675
Mfr # 577550-BR-7000
product price: 
$1,611.99
/pk 7000, $0.23/ea
Newport Fasteners Nylon Insert Lock Nut, M8-1.25, Steel, Class 8, Zinc Plated, 100 PK 313953-PR-100
Newport Fasteners

Nylon Insert Lock Nut, M8-1.25, Steel, Class 8, Zinc Plated, 100 PK

Zoro # G606327904
Mfr # 313953-PR-100
product price: 
$43.55
/pk 100, $0.44/ea
Oxoxo 8-32-3 Self Clinching Nut 303 Stainless Steel, 5000PK 304720
Oxoxo

8-32-3 Self Clinching Nut 303 Stainless Steel, 5000PK

Zoro # G822692299
Mfr # 304720
product price: 
$3,636.99
/pk 5000, $0.73/ea
Oxoxo 3/8-16 Non Serrated Regular Flange Center Locknut Grade F Zinc, 1500PK 522329
Oxoxo

3/8-16 Non Serrated Regular Flange Center Locknut Grade F Zinc, 1500PK

Zoro # G922699037
Mfr # 522329
product price: 
$367.99
/pk 1500, $0.25/ea
X1 Tools 5-40 Performance Zinc-Plated Steel Thin-Profile Nylon-Insert Locknuts, 100PK X1E-FAS-NUT-LOC-3414x100
X1 Tools

5-40 Performance Zinc-Plated Steel Thin-Profile Nylon-Insert Locknuts, 100PK

Zoro # G722846860
Mfr # X1E-FAS-NUT-LOC-3414x100
product price: 
$18.15
/pk 100, $0.18/ea
X1 Tools 10-32 Black-Oxide Corrosion-Resistant 18-8 Stainless Steel Thin-Profile Nylon-Insert Locknuts, 15PK X1E-FAS-NUT-LOC-3818x15
X1 Tools

10-32 Black-Oxide Corrosion-Resistant 18-8 Stainless Steel Thin-Profile Nylon-Insert Locknuts, 15PK

Zoro # G322865230
Mfr # X1E-FAS-NUT-LOC-3818x15
product price: 
$13.69
/pk 15, $0.91/ea
X1 Tools 5/8-11 Corrosion-Resistant 18-8 Stainless Steel Nylon-Insert Locknuts, 120PK X1E-FAS-NUT-LOC-2137x120
X1 Tools

5/8-11 Corrosion-Resistant 18-8 Stainless Steel Nylon-Insert Locknuts, 120PK

Zoro # G822865181
Mfr # X1E-FAS-NUT-LOC-2137x120
product price: 
$358.99
/pk 120, $2.99/ea
X1 Tools 4-40 Corrosion-Resistant 18-8 Stainless Steel Thin-Profile Nylon-Insert Locknuts, 75PK X1E-FAS-NUT-LOC-3710x75
X1 Tools

4-40 Corrosion-Resistant 18-8 Stainless Steel Thin-Profile Nylon-Insert Locknuts, 75PK

Zoro # G122854083
Mfr # X1E-FAS-NUT-LOC-3710x75
product price: 
$21.19
/pk 75, $0.28/ea
X1 Tools 7/16-14 UHP Yellow Zinc Plated Grade 8 Steel Thin-Profile Nylon-Insert Locknuts, 8PK X1E-FAS-NUT-LOC-3022x8
X1 Tools

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

Zoro # G522850494
Mfr # X1E-FAS-NUT-LOC-3022x8
product price: 
$11.99
/pk 8, $1.50/ea
X1 Tools 1/4-20 Ultra Hi Performance Black-Oxide Steel Nylon-Insert Locknuts X1E-FAS-NUT-LOC-1210x1
X1 Tools

1/4-20 Ultra Hi Performance Black-Oxide Steel Nylon-Insert Locknuts

Zoro # G522854638
Mfr # X1E-FAS-NUT-LOC-1210x1
product price: 
$1.15
/ea
Sold in mult. of 9 for $10.35
X1 Tools 7/8-14 UHP Yellow Zinc Plated Grade 8 Steel Thin-Profile Nylon-Insert Locknuts, 75PK X1E-FAS-NUT-LOC-3036x75
X1 Tools

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

Zoro # G522850029
Mfr # X1E-FAS-NUT-LOC-3036x75
product price: 
$779.99
/pk 75, $10.40/ea
X1 Tools 3/8-16 Performance Zinc-Plated Steel Nylon-Insert Locknuts, 25PK X1E-FAS-NUT-LOC-1936x25
X1 Tools

3/8-16 Performance Zinc-Plated Steel Nylon-Insert Locknuts, 25PK

Zoro # G522859022
Mfr # X1E-FAS-NUT-LOC-1936x25
product price: 
$11.35
/pk 25, $0.45/ea
Sold in mult. of 2 for $22.70
X1 Tools 1 1/2-6 Corrosion-Resistant 18-8 Stainless Steel Nylon-Insert Locknuts, 4PK X1E-FAS-NUT-LOC-2149x4
X1 Tools

1 1/2-6 Corrosion-Resistant 18-8 Stainless Steel Nylon-Insert Locknuts, 4PK

Zoro # G522845742
Mfr # X1E-FAS-NUT-LOC-2149x4
product price: 
$161.99
/pk 4, $40.50/ea
X1 Tools 5/8-18 Hi Performance Zinc-Plated Steel Thin-Profile Nylon-Insert Locknuts, 10PK X1E-FAS-NUT-LOC-3312x10
X1 Tools

5/8-18 Hi Performance Zinc-Plated Steel Thin-Profile Nylon-Insert Locknuts, 10PK

Zoro # G422845149
Mfr # X1E-FAS-NUT-LOC-3312x10
product price: 
$92.75
/pk 10, $9.28/ea
X1 Tools 7/16-14 Corrosion-Resistant 18-8 Stainless Steel Thin-Profile Nylon-Insert Locknuts, 75PK X1E-FAS-NUT-LOC-3732x75
X1 Tools

7/16-14 Corrosion-Resistant 18-8 Stainless Steel Thin-Profile Nylon-Insert Locknuts, 75PK

Zoro # G122856513
Mfr # X1E-FAS-NUT-LOC-3732x75
product price: 
$105.99
/pk 75, $1.41/ea
Oxoxo M12-1.75 Din 985 Metric Nylon Insert Hex Locknut A4 Stainless Steel, 250PK 557743
Oxoxo

M12-1.75 Din 985 Metric Nylon Insert Hex Locknut A4 Stainless Steel, 250PK

Zoro # G022700138
Mfr # 557743
product price: 
$485.99
/pk 250, $1.94/ea
Oxoxo 1/2-13 NE Nylon Insert Hex Lock Nut Black Oxide, 300PK 359623
Oxoxo

1/2-13 NE Nylon Insert Hex Lock Nut Black Oxide, 300PK

Zoro # G222697948
Mfr # 359623
product price: 
$136.99
/pk 300, $0.46/ea
Newport Fasteners Nylon Insert Lock Nut, 1"-8, 316 Stainless Steel, Not Graded, 25 PK 971689-PR-25
Newport Fasteners

Nylon Insert Lock Nut, 1"-8, 316 Stainless Steel, Not Graded, 25 PK

Zoro # G606331741
Mfr # 971689-PR-25
product price: 
$444.99
/pk 25, $17.80/ea
Lock Nuts (10,000+ items) - Page 229
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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 NutsCap Nuts & Acorn NutsGeneral Washers
Hex Head Cap ScrewsSocket Head Cap ScrewsMachine ScrewsLock WashersSelf-Tapping Screws
3/4 lock nuts1/2" flange lock nut1/4 npt locknuts3/8-16 ss nuts1/4" locking nut
5/16-18 nylon locking nutdistorted lock nutn-10 lock nut2 inch locknut1" lock nuts

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