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  7. Lock Nuts

Lock Nuts (10,000+ items) - Page 237

Oxoxo 12-24-3 Self Clinching Nut Zinc, 5000PK 528278
Oxoxo

12-24-3 Self Clinching Nut Zinc, 5000PK

Zoro # G422700516
Mfr # 528278
product price:  $1,923.08
/pk 5000, $0.38/ea
X1 Tools 7/8-9 Corrosion-Resistant 18-8 Stainless Steel Nylon-Insert Locknuts, 25PK X1E-FAS-NUT-LOC-2141x25
X1 Tools

7/8-9 Corrosion-Resistant 18-8 Stainless Steel Nylon-Insert Locknuts, 25PK

Zoro # G322863021
Mfr # X1E-FAS-NUT-LOC-2141x25
product price:  $225.99
/pk 25, $9.04/ea
X1 Tools 1/4-20 Corrosion-Resistant 316 Stainless Steel Thin-Profile Nylon-Insert Locknuts, 100PK X1E-FAS-NUT-LOC-3914x100
X1 Tools

1/4-20 Corrosion-Resistant 316 Stainless Steel Thin-Profile Nylon-Insert Locknuts, 100PK

Zoro # G722846709
Mfr # X1E-FAS-NUT-LOC-3914x100
product price:  $69.35
/pk 100, $0.69/ea
X1 Tools 1 1/2-6 Corrosion-Resistant 18-8 Stainless Steel Thin-Profile Nylon-Insert Locknuts, 150PK X1E-FAS-NUT-LOC-3764x150
X1 Tools

1 1/2-6 Corrosion-Resistant 18-8 Stainless Steel Thin-Profile Nylon-Insert Locknuts, 150PK

Zoro # G622860928
Mfr # X1E-FAS-NUT-LOC-3764x150
product price:  $9,210.99
/pk 150, $61.41/ea
X1 Tools 1/2-20 Corrosion-Resistant 316 Stainless Steel Thin-Profile Nylon-Insert Locknuts, 400PK X1E-FAS-NUT-LOC-3932x400
X1 Tools

1/2-20 Corrosion-Resistant 316 Stainless Steel Thin-Profile Nylon-Insert Locknuts, 400PK

Zoro # G722867452
Mfr # X1E-FAS-NUT-LOC-3932x400
product price:  $1,027.99
/pk 400, $2.57/ea
X1 Tools 5/16-18 Black-Oxide 18-8 Stainless Steel Thin-Profile Nylon-Insert Locknuts, 120PK X1E-FAS-NUT-LOC-3822x120
X1 Tools

5/16-18 Black-Oxide 18-8 Stainless Steel Thin-Profile Nylon-Insert Locknuts, 120PK

Zoro # G922845427
Mfr # X1E-FAS-NUT-LOC-3822x120
product price:  $103.99
/pk 120, $0.87/ea
X1 Tools 10-24 Corrosion-Resistant 316 Stainless Steel Thin-Profile Nylon-Insert Locknuts, 500PK X1E-FAS-NUT-LOC-3910x500
X1 Tools

10-24 Corrosion-Resistant 316 Stainless Steel Thin-Profile Nylon-Insert Locknuts, 500PK

Zoro # G122853154
Mfr # X1E-FAS-NUT-LOC-3910x500
product price:  $363.99
/pk 500, $0.73/ea
X1 Tools 5/16-24 Corrosion-Resistant 18-8 Stainless Steel Nylon-Insert Locknuts, 2PK X1E-FAS-NUT-LOC-2128x2
X1 Tools

5/16-24 Corrosion-Resistant 18-8 Stainless Steel Nylon-Insert Locknuts, 2PK

Zoro # G022851977
Mfr # X1E-FAS-NUT-LOC-2128x2
product price:  $1.45
/pk 2, $0.73/ea
Sold in mult. of 7 for $10.15
X1 Tools 3/4-16 UHP Yellow Zinc Plated Grade 8 Steel Thin-Profile Nylon-Insert Locknuts, 150PK X1E-FAS-NUT-LOC-3034x150
X1 Tools

3/4-16 UHP Yellow Zinc Plated Grade 8 Steel Thin-Profile Nylon-Insert Locknuts, 150PK

Zoro # G122848174
Mfr # X1E-FAS-NUT-LOC-3034x150
product price:  $998.99
/pk 150, $6.66/ea
X1 Tools 5/8-18 Hi Performance Zinc-Plated Steel Thin-Profile Nylon-Insert Locknuts, 1000PK X1E-FAS-NUT-LOC-3312x1000
X1 Tools

5/8-18 Hi Performance Zinc-Plated Steel Thin-Profile Nylon-Insert Locknuts, 1000PK

Zoro # G322865698
Mfr # X1E-FAS-NUT-LOC-3312x1000
product price:  $8,712.99
/pk 1000, $8.71/ea
Oxoxo 5/16-18 N1610 Nylon Insert Hex Locknut NE Hex Standard Height Grade 8 Zinc Yellow, 600PK 277840
Oxoxo

5/16-18 N1610 Nylon Insert Hex Locknut NE Hex Standard Height Grade 8 Zinc Yellow, 600PK

Zoro # G022677393
Mfr # 277840
product price:  $73.75
/pk 600, $0.12/ea
X1 Tools 9/16-18 Corrosion-Resistant 18-8 Stainless Steel Nylon-Insert Locknuts, 500PK X1E-FAS-NUT-LOC-2136x500
X1 Tools

9/16-18 Corrosion-Resistant 18-8 Stainless Steel Nylon-Insert Locknuts, 500PK

Zoro # G522847074
Mfr # X1E-FAS-NUT-LOC-2136x500
product price:  $2,728.99
/pk 500, $5.46/ea
X1 Tools 1-14 UHP Yellow Zinc Plated Grade 8 Steel Thin-Profile Nylon-Insert Locknuts, 6PK X1E-FAS-NUT-LOC-3038x6
X1 Tools

1-14 UHP Yellow Zinc Plated Grade 8 Steel Thin-Profile Nylon-Insert Locknuts, 6PK

Zoro # G122851778
Mfr # X1E-FAS-NUT-LOC-3038x6
product price:  $93.55
/pk 6, $15.59/ea
Oxoxo 10-24 Conical K Keps Lock Nut Zinc and Bake, 5000PK 409305
Oxoxo

10-24 Conical K Keps Lock Nut Zinc and Bake, 5000PK

Zoro # G222661482
Mfr # 409305
product price:  $653.99
/pk 5000, $0.13/ea
X1 Tools 5/16-24 UHP Yellow Zinc Plated Grade 8 Steel Thin-Profile Nylon-Insert Locknuts X1E-FAS-NUT-LOC-3016x1
X1 Tools

5/16-24 UHP Yellow Zinc Plated Grade 8 Steel Thin-Profile Nylon-Insert Locknuts

Zoro # G922858014
Mfr # X1E-FAS-NUT-LOC-3016x1
product price:  $3.75
/ea
Sold in mult. of 3 for $11.25
Newport Fasteners Nylon Insert Lock Nut, 3/8"-16, Steel, Grade A, Zinc Plated, 100 PK 810405-PR-100
Newport Fasteners

Nylon Insert Lock Nut, 3/8"-16, Steel, Grade A, Zinc Plated, 100 PK

Zoro # G906331915
Mfr # 810405-PR-100
product price:  $119.99
/pk 100, $1.20/ea
Newport Fasteners Flexible Top Lock Nut, 5/16"-24, 18-8 Stainless Steel, Not Graded, 0.15 in Ht, 125 PK 719724
Newport Fasteners

Flexible Top Lock Nut, 5/16"-24, 18-8 Stainless Steel, Not Graded, 0.15 in Ht, 125 PK

Zoro # G806329630
Mfr # 719724
product price:  $959.99
/pk 125, $7.68/ea
X1 Tools 7/16-14 Ultra H.P. Yellow Zinc Plated Grade 8 Steel Nylon-Insert Locknuts, 100PK X1E-FAS-NUT-LOC-1022x100
X1 Tools

7/16-14 Ultra H.P. Yellow Zinc Plated Grade 8 Steel Nylon-Insert Locknuts, 100PK

Zoro # G422844630
Mfr # X1E-FAS-NUT-LOC-1022x100
product price:  $116.99
/pk 100, $1.17/ea
X1 Tools 5/8-11 UHP Yellow Zinc Plated Grade 8 Steel Thin-Profile Nylon-Insert Locknuts, 75PK X1E-FAS-NUT-LOC-3030x75
X1 Tools

5/8-11 UHP Yellow Zinc Plated Grade 8 Steel Thin-Profile Nylon-Insert Locknuts, 75PK

Zoro # G622858130
Mfr # X1E-FAS-NUT-LOC-3030x75
product price:  $137.99
/pk 75, $1.84/ea
Newport Fasteners Nylon Insert Lock Nut, #12-24, 316 Stainless Steel, Not Graded, 100 PK 516614-PR-100
Newport Fasteners

Nylon Insert Lock Nut, #12-24, 316 Stainless Steel, Not Graded, 100 PK

Zoro # G906330093
Mfr # 516614-PR-100
product price:  $65.35
/pk 100, $0.65/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 10-24 Corrosion-Resistant 18-8 Stainless Steel Nylon-Insert Locknuts, 2PK X1E-FAS-NUT-LOC-2121x2
X1 Tools

10-24 Corrosion-Resistant 18-8 Stainless Steel Nylon-Insert Locknuts, 2PK

Zoro # G422855681
Mfr # X1E-FAS-NUT-LOC-2121x2
product price:  $0.93
/pk 2, $0.47/ea
Sold in mult. of 10 for $9.30
X1 Tools 1/4-20 Performance Zinc-Plated Steel Nylon-Insert Locknuts, 50PK X1E-FAS-NUT-LOC-1928x50
X1 Tools

1/4-20 Performance Zinc-Plated Steel Nylon-Insert Locknuts, 50PK

Zoro # G322864479
Mfr # X1E-FAS-NUT-LOC-1928x50
product price:  $11.99
/pk 50, $0.24/ea
Sold in mult. of 2 for $23.98
X1 Tools 7/16-20 Corrosion-Resistant 316 Stainless Steel Thin-Profile Nylon-Insert Locknuts, 200PK X1E-FAS-NUT-LOC-3928x200
X1 Tools

7/16-20 Corrosion-Resistant 316 Stainless Steel Thin-Profile Nylon-Insert Locknuts, 200PK

Zoro # G122864310
Mfr # X1E-FAS-NUT-LOC-3928x200
product price:  $349.99
/pk 200, $1.75/ea
Oxoxo M8-1.25 Metric Conical K Keps Lock Nut Zinc and Bake, 1500PK 637858
Oxoxo

M8-1.25 Metric Conical K Keps Lock Nut Zinc and Bake, 1500PK

Zoro # G222690963
Mfr # 637858
product price:  $603.99
/pk 1500, $0.40/ea
X1 Tools 1/4-20 Black-Oxide C.R. 18-8 Stainless Steel Nylon-Insert Locknuts, 8PK X1E-FAS-NUT-LOC-2232x8
X1 Tools

1/4-20 Black-Oxide C.R. 18-8 Stainless Steel Nylon-Insert Locknuts, 8PK

Zoro # G622862588
Mfr # X1E-FAS-NUT-LOC-2232x8
product price:  $9.85
/pk 8, $1.23/ea
Sold in mult. of 2 for $19.70
Oxoxo M5-0.8 Din 985 Metric Class 8 Nylon Insert Hex Locknut Black Oxide and Oil, 2000PK 558599
Oxoxo

M5-0.8 Din 985 Metric Class 8 Nylon Insert Hex Locknut Black Oxide and Oil, 2000PK

Zoro # G822673700
Mfr # 558599
product price:  $124.99
/pk 2000, $0.06/ea
Oxoxo 9/16-12 N1610 Nylon Insert Hex Locknut NE Hex Standard Height Grade 8 Zinc Yellow, 50PK 277983
Oxoxo

9/16-12 N1610 Nylon Insert Hex Locknut NE Hex Standard Height Grade 8 Zinc Yellow, 50PK

Zoro # G922670302
Mfr # 277983
product price:  $56.59
/pk 50, $1.13/ea
X1 Tools 7/16-20 UHP Black-Oxide Grade 8 Steel Thin-Profile Nylon-Insert Locknuts, 100PK X1E-FAS-NUT-LOC-3222x100
X1 Tools

7/16-20 UHP Black-Oxide Grade 8 Steel Thin-Profile Nylon-Insert Locknuts, 100PK

Zoro # G222859773
Mfr # X1E-FAS-NUT-LOC-3222x100
product price:  $229.99
/pk 100, $2.30/ea
X1 Tools 7/16-20 Corrosion-Resistant 316 Stainless Steel Nylon-Insert Locknuts, 10PK X1E-FAS-NUT-LOC-2338x10
X1 Tools

7/16-20 Corrosion-Resistant 316 Stainless Steel Nylon-Insert Locknuts, 10PK

Zoro # G622847776
Mfr # X1E-FAS-NUT-LOC-2338x10
product price:  $21.19
/pk 10, $2.12/ea
X1 Tools 3/8-16 Ultra H.P. Yellow Zinc Plated Grade 8 Steel Nylon-Insert Locknuts, 500PK X1E-FAS-NUT-LOC-1018x500
X1 Tools

3/8-16 Ultra H.P. Yellow Zinc Plated Grade 8 Steel Nylon-Insert Locknuts, 500PK

Zoro # G222844496
Mfr # X1E-FAS-NUT-LOC-1018x500
product price:  $332.99
/pk 500, $0.67/ea
Newport Fasteners Nylon Insert Lock Nut, #12-24, 316 Stainless Steel, Not Graded, 100 PK 251518-PR-100
Newport Fasteners

Nylon Insert Lock Nut, #12-24, 316 Stainless Steel, Not Graded, 100 PK

Zoro # G106327701
Mfr # 251518-PR-100
product price:  $79.65
/pk 100, $0.80/ea
X1 Tools 7/16-14 Corrosion-Resistant 316 Stainless Steel Thin-Profile Nylon-Insert Locknuts, 1000PK X1E-FAS-NUT-LOC-3926x1000
X1 Tools

7/16-14 Corrosion-Resistant 316 Stainless Steel Thin-Profile Nylon-Insert Locknuts, 1000PK

Zoro # G122855448
Mfr # X1E-FAS-NUT-LOC-3926x1000
product price:  $1,995.99
/pk 1000, $2.00/ea
X1 Tools 10-24 Black-Oxide Corrosion-Resistant 18-8 Stainless Steel Thin-Profile Nylon-Insert Locknuts, 500PK X1E-FAS-NUT-LOC-3816x500
X1 Tools

10-24 Black-Oxide Corrosion-Resistant 18-8 Stainless Steel Thin-Profile Nylon-Insert Locknuts, 500PK

Zoro # G822857179
Mfr # X1E-FAS-NUT-LOC-3816x500
product price:  $261.99
/pk 500, $0.52/ea
X1 Tools 10-32 Black-Oxide C.R. 18-8 Stainless Steel Nylon-Insert Locknuts, 400PK X1E-FAS-NUT-LOC-2228x400
X1 Tools

10-32 Black-Oxide C.R. 18-8 Stainless Steel Nylon-Insert Locknuts, 400PK

Zoro # G822859227
Mfr # X1E-FAS-NUT-LOC-2228x400
product price:  $378.99
/pk 400, $0.95/ea
X1 Tools 12-24 Performance Zinc-Plated Steel Nylon-Insert Locknuts, 100PK X1E-FAS-NUT-LOC-1926x100
X1 Tools

12-24 Performance Zinc-Plated Steel Nylon-Insert Locknuts, 100PK

Zoro # G422845170
Mfr # X1E-FAS-NUT-LOC-1926x100
product price:  $19.59
/pk 100, $0.20/ea
Lock Nuts (10,000+ items) - Page 237
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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 ScrewsMachine ScrewsSocket Head Cap 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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