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  7. Lock Nuts

Lock Nuts (10,000+ items) - Page 140

X1 Tools 7/16-20 Corrosion-Resistant 316 Stainless Steel Thin-Profile Nylon-Insert Locknuts, 10PK X1E-FAS-NUT-LOC-3928x10
X1 Tools

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

Zoro # G822863736
Mfr # X1E-FAS-NUT-LOC-3928x10
product price: 
$23.49
/pk 10, $2.35/ea
X1 Tools 3/4-16 UHP Yellow Zinc Plated Grade 8 Steel Thin-Profile Nylon-Insert Locknuts, 120PK X1E-FAS-NUT-LOC-3034x120
X1 Tools

3/4-16 UHP Yellow Zinc Plated Grade 8 Steel Thin-Profile Nylon-Insert Locknuts, 120PK

Zoro # G622850752
Mfr # X1E-FAS-NUT-LOC-3034x120
product price: 
$804.99
/pk 120, $6.71/ea
Oxoxo M5-0.8 Metric Conical K Keps Lock Nut Zinc and Bake, 5000PK 637836
Oxoxo

M5-0.8 Metric Conical K Keps Lock Nut Zinc and Bake, 5000PK

Zoro # G422691999
Mfr # 637836
product price: 
$811.99
/pk 5000, $0.16/ea
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
Msi Products 4in INDUSTRIAL 150lb Galvanized Malleable Iron Locknut A2240664
Msi Products

4in INDUSTRIAL 150lb Galvanized Malleable Iron Locknut

Zoro # G315327219
Mfr # A2240664
product price: 
$55.89
/ea
Newport Fasteners Nylon Insert Lock Nut, 1-1/8"-7, Steel, Grade A, Zinc Plated, 10 PK 320987-PR-10
Newport Fasteners

Nylon Insert Lock Nut, 1-1/8"-7, Steel, Grade A, Zinc Plated, 10 PK

Zoro # G706327668
Mfr # 320987-PR-10
product price: 
$143.99
/pk 10, $14.40/ea
Newport Fasteners Nylon Insert Lock Nut, 1-1/2"-6, Steel, Grade A, Zinc Plated, 30 PK 781053-BR-30
Newport Fasteners

Nylon Insert Lock Nut, 1-1/2"-6, Steel, Grade A, Zinc Plated, 30 PK

Zoro # G506331735
Mfr # 781053-BR-30
product price: 
$800.99
/pk 30, $26.70/ea
Newport Fasteners Lock Nut, 7/16"-20, Steel, Grade C, Zinc Plated, 0.444 in Ht, 1000 PK 654153-BR-1000
Newport Fasteners

Lock Nut, 7/16"-20, Steel, Grade C, Zinc Plated, 0.444 in Ht, 1000 PK

Zoro # G206329728
Mfr # 654153-BR-1000
product price: 
$347.99
/pk 1000, $0.35/ea
X1 Tools 1 1/4-12 Ultra H.P. Yellow Zinc Plated Grade 8 Steel Nylon-Insert Locknuts, 75PK X1E-FAS-NUT-LOC-1060x75
X1 Tools

1 1/4-12 Ultra H.P. Yellow Zinc Plated Grade 8 Steel Nylon-Insert Locknuts, 75PK

Zoro # G622846168
Mfr # X1E-FAS-NUT-LOC-1060x75
product price: 
$3,462.99
/pk 75, $46.17/ea
X1 Tools M12 x 1.75 mm Performance Zinc-Plated Steel Nylon-Insert Locknuts, 12PK X1E-FAS-NUT-LOC-1982x12
X1 Tools

M12 x 1.75 mm Performance Zinc-Plated Steel Nylon-Insert Locknuts, 12PK

Zoro # G622848148
Mfr # X1E-FAS-NUT-LOC-1982x12
product price: 
$13.69
/pk 12, $1.14/ea
X1 Tools 5/16-24 Ultra Hi Performance Black-Oxide Steel Nylon-Insert Locknuts, 200PK X1E-FAS-NUT-LOC-1216x200
X1 Tools

5/16-24 Ultra Hi Performance Black-Oxide Steel Nylon-Insert Locknuts, 200PK

Zoro # G422855117
Mfr # X1E-FAS-NUT-LOC-1216x200
product price: 
$128.99
/pk 200, $0.64/ea
X1 Tools 8-32 Performance Zinc-Plated Steel Thin-Profile Nylon-Insert Locknuts, 100PK X1E-FAS-NUT-LOC-3418x100
X1 Tools

8-32 Performance Zinc-Plated Steel Thin-Profile Nylon-Insert Locknuts, 100PK

Zoro # G222861288
Mfr # X1E-FAS-NUT-LOC-3418x100
product price: 
$13.99
/pk 100, $0.14/ea
X1 Tools 6-32 Performance Black-Corrosion-Resistant-Coated Steel Thin-Profile Nylon-Insert Locknuts, 2PK X1E-FAS-NUT-LOC-3610x2
X1 Tools

6-32 Performance Black-Corrosion-Resistant-Coated Steel Thin-Profile Nylon-Insert Locknuts, 2PK

Zoro # G722867339
Mfr # X1E-FAS-NUT-LOC-3610x2
product price: 
$12.29
/pk 2, $6.15/ea
X1 Tools 7/8-14 UHP Black-Oxide Grade 8 Steel Thin-Profile Nylon-Insert Locknuts, 250PK X1E-FAS-NUT-LOC-3234x250
X1 Tools

7/8-14 UHP Black-Oxide Grade 8 Steel Thin-Profile Nylon-Insert Locknuts, 250PK

Zoro # G522847883
Mfr # X1E-FAS-NUT-LOC-3234x250
product price: 
$3,142.99
/pk 250, $12.57/ea
X1 Tools 3/4-10 Performance Zinc-Plated Steel Thin-Profile Nylon-Insert Locknuts, 50PK X1E-FAS-NUT-LOC-3454x50
X1 Tools

3/4-10 Performance Zinc-Plated Steel Thin-Profile Nylon-Insert Locknuts, 50PK

Zoro # G122860442
Mfr # X1E-FAS-NUT-LOC-3454x50
product price: 
$101.99
/pk 50, $2.04/ea
X1 Tools 1/2-20 UHP Yellow Zinc Plated Grade 8 Steel Thin-Profile Nylon-Insert Locknuts, 12PK X1E-FAS-NUT-LOC-3028x12
X1 Tools

1/2-20 UHP Yellow Zinc Plated Grade 8 Steel Thin-Profile Nylon-Insert Locknuts, 12PK

Zoro # G522860363
Mfr # X1E-FAS-NUT-LOC-3028x12
product price: 
$38.99
/pk 12, $3.25/ea
X1 Tools 10-32 Corrosion-Resistant 316 Stainless Steel Thin-Profile Nylon-Insert Locknuts, 12PK X1E-FAS-NUT-LOC-3912x12
X1 Tools

10-32 Corrosion-Resistant 316 Stainless Steel Thin-Profile Nylon-Insert Locknuts, 12PK

Zoro # G922845588
Mfr # X1E-FAS-NUT-LOC-3912x12
product price: 
$14.79
/pk 12, $1.23/ea
X1 Tools 10-32 Performance Zinc-Plated Steel Thin-Profile Nylon-Insert Locknuts, 25PK X1E-FAS-NUT-LOC-3422x25
X1 Tools

10-32 Performance Zinc-Plated Steel Thin-Profile Nylon-Insert Locknuts, 25PK

Zoro # G122865195
Mfr # X1E-FAS-NUT-LOC-3422x25
product price: 
$2.95
/pk 25, $0.12/ea
Sold in mult. of 4 for $11.80
X1 Tools M24 x 3 mm Performance Zinc-Plated Steel Thin-Profile Nylon-Insert Locknuts, 8PK X1E-FAS-NUT-LOC-3498x8
X1 Tools

M24 x 3 mm Performance Zinc-Plated Steel Thin-Profile Nylon-Insert Locknuts, 8PK

Zoro # G922860079
Mfr # X1E-FAS-NUT-LOC-3498x8
product price: 
$233.99
/pk 8, $29.25/ea
X1 Tools 6-32 Corrosion-Resistant 18-8 Stainless Steel Thin-Profile Nylon-Insert Locknuts X1E-FAS-NUT-LOC-3712x1
X1 Tools

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

Zoro # G822867635
Mfr # X1E-FAS-NUT-LOC-3712x1
product price: 
$0.74
/ea
Sold in mult. of 13 for $9.62
X1 Tools 8-32 Performance Zinc-Plated Steel Nylon-Insert Locknuts, 100PK X1E-FAS-NUT-LOC-1920x100
X1 Tools

8-32 Performance Zinc-Plated Steel Nylon-Insert Locknuts, 100PK

Zoro # G922848176
Mfr # X1E-FAS-NUT-LOC-1920x100
product price: 
$15.99
/pk 100, $0.16/ea
X1 Tools M14 x 2 mm Performance Zinc-Plated Steel Nylon-Insert Locknuts, 100PK X1E-FAS-NUT-LOC-1984x100
X1 Tools

M14 x 2 mm Performance Zinc-Plated Steel Nylon-Insert Locknuts, 100PK

Zoro # G022862843
Mfr # X1E-FAS-NUT-LOC-1984x100
product price: 
$116.99
/pk 100, $1.17/ea
X1 Tools 8-32 Performance Zinc-Plated Steel Thin-Profile Nylon-Insert Locknuts, 150PK X1E-FAS-NUT-LOC-3418x150
X1 Tools

8-32 Performance Zinc-Plated Steel Thin-Profile Nylon-Insert Locknuts, 150PK

Zoro # G622846069
Mfr # X1E-FAS-NUT-LOC-3418x150
product price: 
$18.59
/pk 150, $0.12/ea
X1 Tools 1/4-20 Performance Black-Corrosion-Resistant-Coated Steel Thin-Profile Nylon-Insert Locknuts, 25PK X1E-FAS-NUT-LOC-3618x25
X1 Tools

1/4-20 Performance Black-Corrosion-Resistant-Coated Steel Thin-Profile Nylon-Insert Locknuts, 25PK

Zoro # G722865380
Mfr # X1E-FAS-NUT-LOC-3618x25
product price: 
$101.99
/pk 25, $4.08/ea
X1 Tools 8-32 Corrosion-Resistant 18-8 Stainless Steel Thin-Profile Nylon-Insert Locknuts, 15PK X1E-FAS-NUT-LOC-3714x15
X1 Tools

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

Zoro # G722855343
Mfr # X1E-FAS-NUT-LOC-3714x15
product price: 
$3.65
/pk 15, $0.24/ea
Sold in mult. of 3 for $10.95
X1 Tools 1-14 Corrosion-Resistant 18-8 Stainless Steel Thin-Profile Nylon-Insert Locknuts, 250PK X1E-FAS-NUT-LOC-3756x250
X1 Tools

1-14 Corrosion-Resistant 18-8 Stainless Steel Thin-Profile Nylon-Insert Locknuts, 250PK

Zoro # G422846771
Mfr # X1E-FAS-NUT-LOC-3756x250
product price: 
$10,152.99
/pk 250, $40.61/ea
X1 Tools 3/8-24 Black-Oxide C.R. 18-8 Stainless Steel Nylon-Insert Locknuts, 2PK X1E-FAS-NUT-LOC-2242x2
X1 Tools

3/8-24 Black-Oxide C.R. 18-8 Stainless Steel Nylon-Insert Locknuts, 2PK

Zoro # G222860595
Mfr # X1E-FAS-NUT-LOC-2242x2
product price: 
$11.99
/pk 2, $6.00/ea
Sold in mult. of 2 for $23.98
X1 Tools 1 1/8-7 Performance Zinc-Plated Steel Nylon-Insert Locknuts, 8PK X1E-FAS-NUT-LOC-1968x8
X1 Tools

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

Zoro # G722865977
Mfr # X1E-FAS-NUT-LOC-1968x8
product price: 
$77.45
/pk 8, $9.68/ea
X1 Tools 1 1/2-12 UHP Black-Oxide Grade 8 Steel Thin-Profile Nylon-Insert Locknuts, 15PK X1E-FAS-NUT-LOC-3240x15
X1 Tools

1 1/2-12 UHP Black-Oxide Grade 8 Steel Thin-Profile Nylon-Insert Locknuts, 15PK

Zoro # G322847229
Mfr # X1E-FAS-NUT-LOC-3240x15
product price: 
$618.99
/pk 15, $41.27/ea
Newport Fasteners Nylon Insert Lock Nut, 1/2"-13, 18-8 Stainless Steel, Not Graded, 1250 PK 931998-BR-1250
Newport Fasteners

Nylon Insert Lock Nut, 1/2"-13, 18-8 Stainless Steel, Not Graded, 1250 PK

Zoro # G506331704
Mfr # 931998-BR-1250
product price: 
$725.99
/pk 1250, $0.58/ea
Newport Fasteners Nylon Insert Lock Nut, M5-0.80, Steel, Class 10, Zinc Plated, 1000 PK 362181-PR-1000
Newport Fasteners

Nylon Insert Lock Nut, M5-0.80, Steel, Class 10, Zinc Plated, 1000 PK

Zoro # G406327913
Mfr # 362181-PR-1000
product price: 
$97.65
/pk 1000, $0.10/ea
Newport Fasteners Nylon Insert Lock Nut, M4-0.70, Steel, Class 8, Zinc Plated, 100 PK 714317-PR-100
Newport Fasteners

Nylon Insert Lock Nut, M4-0.70, Steel, Class 8, Zinc Plated, 100 PK

Zoro # G406330111
Mfr # 714317-PR-100
product price: 
$29.99
/pk 100, $0.30/ea
Newport Fasteners Nylon Insert Lock Nut, 1/4"-20, 316 Stainless Steel, Not Graded, 7000 PK 737373-BR-7000
Newport Fasteners

Nylon Insert Lock Nut, 1/4"-20, 316 Stainless Steel, Not Graded, 7000 PK

Zoro # G406330005
Mfr # 737373-BR-7000
product price: 
$1,536.99
/pk 7000, $0.22/ea
X1 Tools 7/16-20 Corrosion-Resistant 316 Stainless Steel Nylon-Insert Locknuts, 150PK X1E-FAS-NUT-LOC-2338x150
X1 Tools

7/16-20 Corrosion-Resistant 316 Stainless Steel Nylon-Insert Locknuts, 150PK

Zoro # G022847116
Mfr # X1E-FAS-NUT-LOC-2338x150
product price: 
$236.99
/pk 150, $1.58/ea
X1 Tools 3/8-16 Black-Oxide C.R. 18-8 Stainless Steel Nylon-Insert Locknuts, 100PK X1E-FAS-NUT-LOC-2240x100
X1 Tools

3/8-16 Black-Oxide C.R. 18-8 Stainless Steel Nylon-Insert Locknuts, 100PK

Zoro # G122853611
Mfr # X1E-FAS-NUT-LOC-2240x100
product price: 
$154.99
/pk 100, $1.55/ea
X1 Tools M12 x 1.75 mm Performance Zinc-Plated Steel Nylon-Insert Locknuts, 2PK X1E-FAS-NUT-LOC-1982x2
X1 Tools

M12 x 1.75 mm Performance Zinc-Plated Steel Nylon-Insert Locknuts, 2PK

Zoro # G622862199
Mfr # X1E-FAS-NUT-LOC-1982x2
product price: 
$2.19
/pk 2, $1.10/ea
Sold in mult. of 5 for $10.95
Lock Nuts (10,000+ items) - Page 140
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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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