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  7. Lock Nuts

Lock Nuts (10,000+ items) - Page 144

Zoro Select Top Lock Distorted Thread Lock Nut, M4-0.70, Steel, Class 8, Zinc Plated, 5 mm Ht, 100 PK M12858.040.0001
Zoro Select

Top Lock Distorted Thread Lock Nut, M4-0.70, Steel, Class 8, Zinc Plated, 5 mm Ht, 100 PK

Zoro # G1971700
Mfr # M12858.040.0001
product price:  $12.19
/pk 100, $0.12/ea
Msi Products 1-1/2in INDUSTRIAL 150lb 316 Stainless Steel Locknut A3240624
Msi Products

1-1/2in INDUSTRIAL 150lb 316 Stainless Steel Locknut

Zoro # G115322421
Mfr # A3240624
product price:  $26.19
/ea
X1 Tools 4-40 Black-Oxide C.R. 18-8 Stainless Steel Nylon-Insert Locknuts, 8PK X1E-FAS-NUT-LOC-2214x8
X1 Tools

4-40 Black-Oxide C.R. 18-8 Stainless Steel Nylon-Insert Locknuts, 8PK

Zoro # G322864660
Mfr # X1E-FAS-NUT-LOC-2214x8
product price:  $2.99
/pk 8, $0.37/ea
X1 Tools 1/2-13 Performance Zinc-Plated Steel Thin-Profile Nylon-Insert Locknuts, 120PK X1E-FAS-NUT-LOC-3442x120
X1 Tools

1/2-13 Performance Zinc-Plated Steel Thin-Profile Nylon-Insert Locknuts, 120PK

Zoro # G122845401
Mfr # X1E-FAS-NUT-LOC-3442x120
product price:  $46.99
/pk 120, $0.39/ea
Oxoxo 1/2-13 Serrated Flange Hex Lock Nuts Grade 8 Zinc Yellow, 250PK 453140
Oxoxo

1/2-13 Serrated Flange Hex Lock Nuts Grade 8 Zinc Yellow, 250PK

Zoro # G922692502
Mfr # 453140
product price:  $173.99
/pk 250, $0.70/ea
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
X1 Tools M14 x 2 mm Performance Zinc-Plated Steel Thin-Profile Nylon-Insert Locknuts, 250PK X1E-FAS-NUT-LOC-3490x250
X1 Tools

M14 x 2 mm Performance Zinc-Plated Steel Thin-Profile Nylon-Insert Locknuts, 250PK

Zoro # G722854339
Mfr # X1E-FAS-NUT-LOC-3490x250
product price:  $865.99
/pk 250, $3.46/ea
X1 Tools M24 x 3 mm Performance Zinc-Plated Steel Thin-Profile Nylon-Insert Locknuts, 200PK X1E-FAS-NUT-LOC-3498x200
X1 Tools

M24 x 3 mm Performance Zinc-Plated Steel Thin-Profile Nylon-Insert Locknuts, 200PK

Zoro # G322851622
Mfr # X1E-FAS-NUT-LOC-3498x200
product price:  $5,947.99
/pk 200, $29.74/ea
X1 Tools 7/8-14 Ultra Hi Performance Black-Oxide Steel Nylon-Insert Locknuts, 2PK X1E-FAS-NUT-LOC-1244x2
X1 Tools

7/8-14 Ultra Hi Performance Black-Oxide Steel Nylon-Insert Locknuts, 2PK

Zoro # G022856538
Mfr # X1E-FAS-NUT-LOC-1244x2
product price:  $16.39
/pk 2, $8.20/ea
X1 Tools M18 x 2.5 mm Performance Zinc-Plated Steel Nylon-Insert Locknuts, 75PK X1E-FAS-NUT-LOC-1988x75
X1 Tools

M18 x 2.5 mm Performance Zinc-Plated Steel Nylon-Insert Locknuts, 75PK

Zoro # G422863082
Mfr # X1E-FAS-NUT-LOC-1988x75
product price:  $180.99
/pk 75, $2.41/ea
X1 Tools M16 x 2 mm Performance Zinc-Plated Steel Thin-Profile Nylon-Insert Locknuts, 25PK X1E-FAS-NUT-LOC-3492x25
X1 Tools

M16 x 2 mm Performance Zinc-Plated Steel Thin-Profile Nylon-Insert Locknuts, 25PK

Zoro # G422860616
Mfr # X1E-FAS-NUT-LOC-3492x25
product price:  $182.99
/pk 25, $7.32/ea
X1 Tools 1/4-28 UHP Yellow Zinc Plated Grade 8 Steel Thin-Profile Nylon-Insert Locknuts, 150PK X1E-FAS-NUT-LOC-3012x150
X1 Tools

1/4-28 UHP Yellow Zinc Plated Grade 8 Steel Thin-Profile Nylon-Insert Locknuts, 150PK

Zoro # G922847889
Mfr # X1E-FAS-NUT-LOC-3012x150
product price:  $231.99
/pk 150, $1.55/ea
X1 Tools 4-40 Corrosion-Resistant 18-8 Stainless Steel Nylon-Insert Locknuts, 8PK X1E-FAS-NUT-LOC-2114x8
X1 Tools

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

Zoro # G522855925
Mfr # X1E-FAS-NUT-LOC-2114x8
product price:  $1.59
/pk 8, $0.20/ea
X1 Tools 10-32 Performance Zinc-Plated Steel Nylon-Insert Locknuts, 500PK X1E-FAS-NUT-LOC-1924x500
X1 Tools

10-32 Performance Zinc-Plated Steel Nylon-Insert Locknuts, 500PK

Zoro # G622850615
Mfr # X1E-FAS-NUT-LOC-1924x500
product price:  $61.39
/pk 500, $0.12/ea
X1 Tools 1/4-20 Corrosion-Resistant 316 Stainless Steel Thin-Profile Nylon-Insert Locknuts X1E-FAS-NUT-LOC-3914x1
X1 Tools

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

Zoro # G122860343
Mfr # X1E-FAS-NUT-LOC-3914x1
product price:  $1.29
/ea
X1 Tools 7/16-20 Corrosion-Resistant 18-8 Stainless Steel Thin-Profile Nylon-Insert Locknuts, 20PK X1E-FAS-NUT-LOC-3734x20
X1 Tools

7/16-20 Corrosion-Resistant 18-8 Stainless Steel Thin-Profile Nylon-Insert Locknuts, 20PK

Zoro # G322858249
Mfr # X1E-FAS-NUT-LOC-3734x20
product price:  $41.85
/pk 20, $2.09/ea
X1 Tools 3/4-10 Performance Zinc-Plated Steel Thin-Profile Nylon-Insert Locknuts, 12PK X1E-FAS-NUT-LOC-3454x12
X1 Tools

3/4-10 Performance Zinc-Plated Steel Thin-Profile Nylon-Insert Locknuts, 12PK

Zoro # G422853540
Mfr # X1E-FAS-NUT-LOC-3454x12
product price:  $29.15
/pk 12, $2.43/ea
Newport Fasteners Nylon Insert Lock Nut, 5/16"-24, Steel, Grade A, Zinc Plated, 3000 PK 810146-BR-3000
Newport Fasteners

Nylon Insert Lock Nut, 5/16"-24, Steel, Grade A, Zinc Plated, 3000 PK

Zoro # G906331786
Mfr # 810146-BR-3000
product price:  $290.99
/pk 3000, $0.10/ea
X1 Tools 5/8-11 Corrosion-Resistant 18-8 Stainless Steel Nylon-Insert Locknuts, 100PK X1E-FAS-NUT-LOC-2137x100
X1 Tools

5/8-11 Corrosion-Resistant 18-8 Stainless Steel Nylon-Insert Locknuts, 100PK

Zoro # G522867492
Mfr # X1E-FAS-NUT-LOC-2137x100
product price:  $301.99
/pk 100, $3.02/ea
X1 Tools 10-24 Black-Oxide C.R. 18-8 Stainless Steel Nylon-Insert Locknuts, 120PK X1E-FAS-NUT-LOC-2226x120
X1 Tools

10-24 Black-Oxide C.R. 18-8 Stainless Steel Nylon-Insert Locknuts, 120PK

Zoro # G122864143
Mfr # X1E-FAS-NUT-LOC-2226x120
product price:  $44.25
/pk 120, $0.37/ea
X1 Tools 2-56 Performance Zinc-Plated Steel Nylon-Insert Locknuts, 4PK X1E-FAS-NUT-LOC-1910x4
X1 Tools

2-56 Performance Zinc-Plated Steel Nylon-Insert Locknuts, 4PK

Zoro # G022861570
Mfr # X1E-FAS-NUT-LOC-1910x4
product price:  $0.99
/pk 4, $0.25/ea
X1 Tools 3/8-16 Ultra Hi Performance Black-Oxide Steel Nylon-Insert Locknuts, 4PK X1E-FAS-NUT-LOC-1218x4
X1 Tools

3/8-16 Ultra Hi Performance Black-Oxide Steel Nylon-Insert Locknuts, 4PK

Zoro # G522850548
Mfr # X1E-FAS-NUT-LOC-1218x4
product price:  $4.55
/pk 4, $1.14/ea
X1 Tools 10-24 Black-Oxide Corrosion-Resistant 18-8 Stainless Steel Thin-Profile Nylon-Insert Locknuts, 100PK X1E-FAS-NUT-LOC-3816x100
X1 Tools

10-24 Black-Oxide Corrosion-Resistant 18-8 Stainless Steel Thin-Profile Nylon-Insert Locknuts, 100PK

Zoro # G422866656
Mfr # X1E-FAS-NUT-LOC-3816x100
product price:  $59.29
/pk 100, $0.59/ea
Newport Fasteners Nylon Insert Lock Nut, #10-32, Steel, Zinc Plated, 100 PK NB305115P-100
Newport Fasteners

Nylon Insert Lock Nut, #10-32, Steel, Zinc Plated, 100 PK

Zoro # G006331570
Mfr # NB305115P-100
product price:  $38.69
/pk 100, $0.39/ea
X1 Tools 1/2-13 Corrosion-Resistant 18-8 Stainless Steel Thin-Profile Nylon-Insert Locknuts, 1000PK X1E-FAS-NUT-LOC-3736x1000
X1 Tools

1/2-13 Corrosion-Resistant 18-8 Stainless Steel Thin-Profile Nylon-Insert Locknuts, 1000PK

Zoro # G622865640
Mfr # X1E-FAS-NUT-LOC-3736x1000
product price:  $1,825.99
/pk 1000, $1.83/ea
X1 Tools 9/16-18 Performance Zinc-Plated Steel Nylon-Insert Locknuts, 25PK X1E-FAS-NUT-LOC-1950x25
X1 Tools

9/16-18 Performance Zinc-Plated Steel Nylon-Insert Locknuts, 25PK

Zoro # G722857408
Mfr # X1E-FAS-NUT-LOC-1950x25
product price:  $30.49
/pk 25, $1.22/ea
X1 Tools 5/16-24 Performance Zinc-Plated Steel Nylon-Insert Locknuts, 25PK X1E-FAS-NUT-LOC-1934x25
X1 Tools

5/16-24 Performance Zinc-Plated Steel Nylon-Insert Locknuts, 25PK

Zoro # G222861790
Mfr # X1E-FAS-NUT-LOC-1934x25
product price:  $5.15
/pk 25, $0.21/ea
X1 Tools M12 x 1.75 mm Performance Zinc-Plated Steel Nylon-Insert Locknuts, 1000PK X1E-FAS-NUT-LOC-1982x1000
X1 Tools

M12 x 1.75 mm Performance Zinc-Plated Steel Nylon-Insert Locknuts, 1000PK

Zoro # G422847143
Mfr # X1E-FAS-NUT-LOC-1982x1000
product price:  $867.99
/pk 1000, $0.87/ea
X1 Tools 3/8-24 UHP Black-Oxide Grade 8 Steel Thin-Profile Nylon-Insert Locknuts, 2PK X1E-FAS-NUT-LOC-3220x2
X1 Tools

3/8-24 UHP Black-Oxide Grade 8 Steel Thin-Profile Nylon-Insert Locknuts, 2PK

Zoro # G422858187
Mfr # X1E-FAS-NUT-LOC-3220x2
product price:  $4.95
/pk 2, $2.48/ea
X1 Tools 3/8-24 Performance Zinc-Plated Steel Thin-Profile Nylon-Insert Locknuts, 10PK X1E-FAS-NUT-LOC-3436x10
X1 Tools

3/8-24 Performance Zinc-Plated Steel Thin-Profile Nylon-Insert Locknuts, 10PK

Zoro # G322861959
Mfr # X1E-FAS-NUT-LOC-3436x10
product price:  $2.75
/pk 10, $0.28/ea
X1 Tools 3/8-16 Performance Black-Corrosion-Resistant-Coated Steel Nylon-Insert Locknuts, 75PK X1E-FAS-NUT-LOC-2022x75
X1 Tools

3/8-16 Performance Black-Corrosion-Resistant-Coated Steel Nylon-Insert Locknuts, 75PK

Zoro # G122852164
Mfr # X1E-FAS-NUT-LOC-2022x75
product price:  $320.99
/pk 75, $4.28/ea
X1 Tools 1/4-20 Corrosion-Resistant 18-8 Stainless Steel Nylon-Insert Locknuts, 20PK X1E-FAS-NUT-LOC-2125x20
X1 Tools

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

Zoro # G622857478
Mfr # X1E-FAS-NUT-LOC-2125x20
product price:  $10.99
/pk 20, $0.55/ea
X1 Tools 1/4-28 Performance Zinc-Plated Steel Nylon-Insert Locknuts, 20PK X1E-FAS-NUT-LOC-1930x20
X1 Tools

1/4-28 Performance Zinc-Plated Steel Nylon-Insert Locknuts, 20PK

Zoro # G522860684
Mfr # X1E-FAS-NUT-LOC-1930x20
product price:  $3.25
/pk 20, $0.16/ea
X1 Tools 6-32 Performance Zinc-Plated Steel Nylon-Insert Locknuts, 250PK X1E-FAS-NUT-LOC-1918x250
X1 Tools

6-32 Performance Zinc-Plated Steel Nylon-Insert Locknuts, 250PK

Zoro # G022865585
Mfr # X1E-FAS-NUT-LOC-1918x250
product price:  $26.69
/pk 250, $0.11/ea
X1 Tools 9/16-18 Corrosion-Resistant 18-8 Stainless Steel Nylon-Insert Locknuts, 15PK X1E-FAS-NUT-LOC-2136x15
X1 Tools

9/16-18 Corrosion-Resistant 18-8 Stainless Steel Nylon-Insert Locknuts, 15PK

Zoro # G522867393
Mfr # X1E-FAS-NUT-LOC-2136x15
product price:  $78.95
/pk 15, $5.26/ea
Heyco -Lock Nuts M9156
Heyco

-Lock Nuts

Zoro # G916558692
Mfr # M9156
product price:  $8.35
/ea
Lock Nuts (10,000+ items) - Page 144
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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
n-10 lock nutnylon-insert locknutslock nut 5/16-183/8-16 nuts stainless steellock nut nylon insert
1/4-20 stainless steel nutserrated flange lock nut3/8" flange nutsflanged locknut2 inch locknut

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