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  7. Lock Nuts

Lock Nuts (10,000+ items) - Page 139

Oxoxo 5/16-18 Serrated Flange Hex Lock Nuts 18 8 Stainless Steel, 1000PK 319665
Oxoxo

5/16-18 Serrated Flange Hex Lock Nuts 18 8 Stainless Steel, 1000PK

Zoro # G722671271
Mfr # 319665
product price:  $370.99
/pk 1000, $0.37/ea
X1 Tools 6-32 Performance Zinc-Plated Steel Nylon-Insert Locknuts, 20PK X1E-FAS-NUT-LOC-1918x20
X1 Tools

6-32 Performance Zinc-Plated Steel Nylon-Insert Locknuts, 20PK

Zoro # G322865209
Mfr # X1E-FAS-NUT-LOC-1918x20
product price:  $2.55
/pk 20, $0.13/ea
X1 Tools 3/8-24 Corrosion-Resistant 316 Stainless Steel Nylon-Insert Locknuts, 150PK X1E-FAS-NUT-LOC-2334x150
X1 Tools

3/8-24 Corrosion-Resistant 316 Stainless Steel Nylon-Insert Locknuts, 150PK

Zoro # G322867326
Mfr # X1E-FAS-NUT-LOC-2334x150
product price:  $137.99
/pk 150, $0.92/ea
X1 Tools 10-32 Corrosion-Resistant 316 Stainless Steel Nylon-Insert Locknuts, 25PK X1E-FAS-NUT-LOC-2320x25
X1 Tools

10-32 Corrosion-Resistant 316 Stainless Steel Nylon-Insert Locknuts, 25PK

Zoro # G222860816
Mfr # X1E-FAS-NUT-LOC-2320x25
product price:  $12.89
/pk 25, $0.52/ea
X1 Tools 8-32 Performance Black-Corrosion-Resistant-Coated Steel Nylon-Insert Locknuts, 20PK X1E-FAS-NUT-LOC-2012x20
X1 Tools

8-32 Performance Black-Corrosion-Resistant-Coated Steel Nylon-Insert Locknuts, 20PK

Zoro # G422852604
Mfr # X1E-FAS-NUT-LOC-2012x20
product price:  $77.15
/pk 20, $3.86/ea
X1 Tools 7/8-14 Performance Zinc-Plated Steel Thin-Profile Nylon-Insert Locknuts, 25PK X1E-FAS-NUT-LOC-3460x25
X1 Tools

7/8-14 Performance Zinc-Plated Steel Thin-Profile Nylon-Insert Locknuts, 25PK

Zoro # G922859899
Mfr # X1E-FAS-NUT-LOC-3460x25
product price:  $101.99
/pk 25, $4.08/ea
X1 Tools 5/8-18 Corrosion-Resistant 18-8 Stainless Steel Nylon-Insert Locknuts, 4PK X1E-FAS-NUT-LOC-2138x4
X1 Tools

5/8-18 Corrosion-Resistant 18-8 Stainless Steel Nylon-Insert Locknuts, 4PK

Zoro # G922867610
Mfr # X1E-FAS-NUT-LOC-2138x4
product price:  $18.79
/pk 4, $4.70/ea
Oxoxo M6-1.0 Metric Class 8 K Lock Nut Black Oxide And Oil, 2000PK 636566
Oxoxo

M6-1.0 Metric Class 8 K Lock Nut Black Oxide And Oil, 2000PK

Zoro # G922683180
Mfr # 636566
product price:  $350.99
/pk 2000, $0.18/ea
X1 Tools 9/16-12 Performance Zinc-Plated Steel Thin-Profile Nylon-Insert Locknuts, 15PK X1E-FAS-NUT-LOC-3446x15
X1 Tools

9/16-12 Performance Zinc-Plated Steel Thin-Profile Nylon-Insert Locknuts, 15PK

Zoro # G122865911
Mfr # X1E-FAS-NUT-LOC-3446x15
product price:  $13.29
/pk 15, $0.89/ea
X1 Tools 1/4-20 Corrosion-Resistant 18-8 Stainless Steel Thin-Profile Nylon-Insert Locknuts, 200PK X1E-FAS-NUT-LOC-3720x200
X1 Tools

1/4-20 Corrosion-Resistant 18-8 Stainless Steel Thin-Profile Nylon-Insert Locknuts, 200PK

Zoro # G222867747
Mfr # X1E-FAS-NUT-LOC-3720x200
product price:  $61.55
/pk 200, $0.31/ea
X1 Tools M6 x 1 mm Performance Zinc-Plated Steel Thin-Profile Nylon-Insert Locknuts, 4PK X1E-FAS-NUT-LOC-3482x4
X1 Tools

M6 x 1 mm Performance Zinc-Plated Steel Thin-Profile Nylon-Insert Locknuts, 4PK

Zoro # G822862036
Mfr # X1E-FAS-NUT-LOC-3482x4
product price:  $13.59
/pk 4, $3.40/ea
Zoro Select Top Lock Distorted Thread Lock Nut, 5/16"-24, Steel, Grade C, Yellow Zinc, 17/64 in Ht, 100 PK U12960.031.0002
Zoro Select

Top Lock Distorted Thread Lock Nut, 5/16"-24, Steel, Grade C, Yellow Zinc, 17/64 in Ht, 100 PK

Zoro # G1122694
Mfr # U12960.031.0002
product price:  $46.89
/pk 100, $0.47/ea
X1 Tools 9/16-18 Performance Zinc-Plated Steel Nylon-Insert Locknuts, 500PK X1E-FAS-NUT-LOC-1950x500
X1 Tools

9/16-18 Performance Zinc-Plated Steel Nylon-Insert Locknuts, 500PK

Zoro # G822866973
Mfr # X1E-FAS-NUT-LOC-1950x500
product price:  $724.99
/pk 500, $1.45/ea
X1 Tools 3/4-10 Corrosion-Resistant 316 Stainless Steel Thin-Profile Nylon-Insert Locknuts, 1000PK X1E-FAS-NUT-LOC-3934x1000
X1 Tools

3/4-10 Corrosion-Resistant 316 Stainless Steel Thin-Profile Nylon-Insert Locknuts, 1000PK

Zoro # G122849805
Mfr # X1E-FAS-NUT-LOC-3934x1000
product price:  $27,216.99
/pk 1000, $27.22/ea
X1 Tools 1 1/8-7 Performance Zinc-Plated Steel Thin-Profile Nylon-Insert Locknuts, 2PK X1E-FAS-NUT-LOC-3466x2
X1 Tools

1 1/8-7 Performance Zinc-Plated Steel Thin-Profile Nylon-Insert Locknuts, 2PK

Zoro # G522845681
Mfr # X1E-FAS-NUT-LOC-3466x2
product price:  $22.29
/pk 2, $11.15/ea
X1 Tools 10-24 Corrosion-Resistant 18-8 Stainless Steel Thin-Profile Nylon-Insert Locknuts, 50PK X1E-FAS-NUT-LOC-3716x50
X1 Tools

10-24 Corrosion-Resistant 18-8 Stainless Steel Thin-Profile Nylon-Insert Locknuts, 50PK

Zoro # G822853058
Mfr # X1E-FAS-NUT-LOC-3716x50
product price:  $16.29
/pk 50, $0.33/ea
Newport Fasteners Lock Nut, 5/16"-18, Steel, Zinc Plated, 0.258 in Ht, 100 PK 178009-PR-100
Newport Fasteners

Lock Nut, 5/16"-18, Steel, Zinc Plated, 0.258 in Ht, 100 PK

Zoro # G406327920
Mfr # 178009-PR-100
product price:  $42.55
/pk 100, $0.43/ea
Oxoxo 5/8-11 NE Nylon Insert Hex Lock Nut Zinc, 200PK 208785
Oxoxo

5/8-11 NE Nylon Insert Hex Lock Nut Zinc, 200PK

Zoro # G122689234
Mfr # 208785
product price:  $80.35
/pk 200, $0.40/ea
X1 Tools 5/16-24 Corrosion-Resistant 18-8 Stainless Steel Nylon-Insert Locknuts X1E-FAS-NUT-LOC-2128x1
X1 Tools

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

Zoro # G222863329
Mfr # X1E-FAS-NUT-LOC-2128x1
product price:  $0.95
/ea
Zoro Select External Tooth K-Lock Lock Nut, #4-40, Steel, Black Zinc, 0.087 in Ht, 5000 PK 04NKBZ
Zoro Select

External Tooth K-Lock Lock Nut, #4-40, Steel, Black Zinc, 0.087 in Ht, 5000 PK

Zoro # G2446261
Mfr # 04NKBZ
product price:  $193.99
/pk 5000, $0.04/ea
Oxoxo 5/16-18 Conical K Keps Lock Nut Black Oxide And Oil, 2000PK 636644
Oxoxo

5/16-18 Conical K Keps Lock Nut Black Oxide And Oil, 2000PK

Zoro # G822699137
Mfr # 636644
product price:  $593.99
/pk 2000, $0.30/ea
X1 Tools 1/4-20 Performance Zinc-Plated Steel Thin-Profile Nylon-Insert Locknuts, 20PK X1E-FAS-NUT-LOC-3426x20
X1 Tools

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

Zoro # G822849600
Mfr # X1E-FAS-NUT-LOC-3426x20
product price:  $3.45
/pk 20, $0.17/ea
X1 Tools 1-8 Performance Zinc-Plated Steel Thin-Profile Nylon-Insert Locknuts, 2PK X1E-FAS-NUT-LOC-3462x2
X1 Tools

1-8 Performance Zinc-Plated Steel Thin-Profile Nylon-Insert Locknuts, 2PK

Zoro # G322863250
Mfr # X1E-FAS-NUT-LOC-3462x2
product price:  $15.49
/pk 2, $7.75/ea
X1 Tools 5/8-11 Corrosion-Resistant 18-8 Stainless Steel Thin-Profile Nylon-Insert Locknuts, 4PK X1E-FAS-NUT-LOC-3742x4
X1 Tools

5/8-11 Corrosion-Resistant 18-8 Stainless Steel Thin-Profile Nylon-Insert Locknuts, 4PK

Zoro # G522850197
Mfr # X1E-FAS-NUT-LOC-3742x4
product price:  $28.95
/pk 4, $7.24/ea
X1 Tools 5/8-11 Ultra H.P. Yellow Zinc Plated Grade 8 Steel Nylon-Insert Locknuts X1E-FAS-NUT-LOC-1034x1
X1 Tools

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

Zoro # G222846797
Mfr # X1E-FAS-NUT-LOC-1034x1
product price:  $4.25
/ea
X1 Tools 1-14 Corrosion-Resistant 18-8 Stainless Steel Thin-Profile Nylon-Insert Locknuts, 4PK X1E-FAS-NUT-LOC-3756x4
X1 Tools

1-14 Corrosion-Resistant 18-8 Stainless Steel Thin-Profile Nylon-Insert Locknuts, 4PK

Zoro # G222858646
Mfr # X1E-FAS-NUT-LOC-3756x4
product price:  $172.99
/pk 4, $43.25/ea
X1 Tools 5/8-18 Ultra Hi Performance Black-Oxide Steel Nylon-Insert Locknuts, 4PK X1E-FAS-NUT-LOC-1236x4
X1 Tools

5/8-18 Ultra Hi Performance Black-Oxide Steel Nylon-Insert Locknuts, 4PK

Zoro # G922854825
Mfr # X1E-FAS-NUT-LOC-1236x4
product price:  $17.39
/pk 4, $4.35/ea
X1 Tools 5/16-18 UHP Black-Oxide Grade 8 Steel Thin-Profile Nylon-Insert Locknuts, 250PK X1E-FAS-NUT-LOC-3214x250
X1 Tools

5/16-18 UHP Black-Oxide Grade 8 Steel Thin-Profile Nylon-Insert Locknuts, 250PK

Zoro # G022848045
Mfr # X1E-FAS-NUT-LOC-3214x250
product price:  $345.99
/pk 250, $1.38/ea
X1 Tools 3/8-16 Performance Black-Corrosion-Resistant-Coated Steel Nylon-Insert Locknuts, 1000PK X1E-FAS-NUT-LOC-2022x1000
X1 Tools

3/8-16 Performance Black-Corrosion-Resistant-Coated Steel Nylon-Insert Locknuts, 1000PK

Zoro # G222847213
Mfr # X1E-FAS-NUT-LOC-2022x1000
product price:  $3,990.99
/pk 1000, $3.99/ea
X1 Tools 6-32 Performance Zinc-Plated Steel Nylon-Insert Locknuts, 150PK X1E-FAS-NUT-LOC-1918x150
X1 Tools

6-32 Performance Zinc-Plated Steel Nylon-Insert Locknuts, 150PK

Zoro # G022847802
Mfr # X1E-FAS-NUT-LOC-1918x150
product price:  $18.15
/pk 150, $0.12/ea
X1 Tools 1 1/8-7 Performance Zinc-Plated Steel Nylon-Insert Locknuts, 400PK X1E-FAS-NUT-LOC-1968x400
X1 Tools

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

Zoro # G022865745
Mfr # X1E-FAS-NUT-LOC-1968x400
product price:  $4,713.99
/pk 400, $11.78/ea
Newport Fasteners Nylon Insert Lock Nut, M3-0.50, Steel, Class 8, Zinc Plated, 100 PK 118752-PR-100
Newport Fasteners

Nylon Insert Lock Nut, M3-0.50, Steel, Class 8, Zinc Plated, 100 PK

Zoro # G706327682
Mfr # 118752-PR-100
product price:  $29.99
/pk 100, $0.30/ea
X1 Tools 1/4-28 UHP Yellow Zinc Plated Grade 8 Steel Thin-Profile Nylon-Insert Locknuts, 75PK X1E-FAS-NUT-LOC-3012x75
X1 Tools

1/4-28 UHP Yellow Zinc Plated Grade 8 Steel Thin-Profile Nylon-Insert Locknuts, 75PK

Zoro # G222862414
Mfr # X1E-FAS-NUT-LOC-3012x75
product price:  $120.99
/pk 75, $1.61/ea
X1 Tools 1/2-13 Corrosion-Resistant 18-8 Stainless Steel Nylon-Insert Locknuts, 400PK X1E-FAS-NUT-LOC-2133x400
X1 Tools

1/2-13 Corrosion-Resistant 18-8 Stainless Steel Nylon-Insert Locknuts, 400PK

Zoro # G922864428
Mfr # X1E-FAS-NUT-LOC-2133x400
product price:  $748.99
/pk 400, $1.87/ea
X1 Tools 5/16-18 Corrosion-Resistant 316 Stainless Steel Thin-Profile Nylon-Insert Locknuts, 250PK X1E-FAS-NUT-LOC-3918x250
X1 Tools

5/16-18 Corrosion-Resistant 316 Stainless Steel Thin-Profile Nylon-Insert Locknuts, 250PK

Zoro # G222853467
Mfr # X1E-FAS-NUT-LOC-3918x250
product price:  $210.99
/pk 250, $0.84/ea
X1 Tools 8-32 Black-Oxide C.R. 18-8 Stainless Steel Nylon-Insert Locknuts, 200PK X1E-FAS-NUT-LOC-2222x200
X1 Tools

8-32 Black-Oxide C.R. 18-8 Stainless Steel Nylon-Insert Locknuts, 200PK

Zoro # G722849922
Mfr # X1E-FAS-NUT-LOC-2222x200
product price:  $63.99
/pk 200, $0.32/ea
Lock Nuts (10,000+ items) - Page 139
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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
1/4-20 stainless steel nut5/16-18 stainless steel bolt3/8" flange nutslock nut 5/16-18nylon-insert locknuts
n-10 lock nut5/16-24 nutsserrated flange lock nutlock nut nylon insertflanged locknut

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