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  7. Lock Nuts

Lock Nuts (10,000+ items) - Page 3

Zoro Select Serrated Lock Nut, M8-1.25, Steel, Class 8, Zinc Plated, 8 mm Ht, 100 PK M11610.080.0001
Zoro Select

Serrated Lock Nut, M8-1.25, Steel, Class 8, Zinc Plated, 8 mm Ht, 100 PK

Zoro # G2649739
Mfr # M11610.080.0001
product price: 
$13.29
/pk of 100, $0.13/ea
Zoro Select Serrated Lock Nut, #10-32, 18-8 Stainless Steel, Not Graded, Plain, 25 PK U51109.019.0001
Zoro Select

Serrated Lock Nut, #10-32, 18-8 Stainless Steel, Not Graded, Plain, 25 PK

Zoro # G3391276
Mfr # U51109.019.0001
product price: 
$3.65
/pk of 25, $0.15/ea
Whittet-Higgins 18 Threads per Inch, 2-1/4 in. Outside Diameter, 1/2 in. Nominal Thickness, 1.563-18 Thread Size BH-08
Whittet-Higgins

18 Threads per Inch, 2-1/4 in. Outside Diameter, 1/2 in. Nominal Thickness, 1.563-18 Thread Size

Zoro # G112509825
Mfr # BH-08
product price: 
$21.25
/ea
Zoro Select Serrated Lock Nut, #12-24, Steel, Grade 2, Zinc Plated, 15/64 in Ht, 50 PK HFNI2-120-050P
Zoro Select

Serrated Lock Nut, #12-24, Steel, Grade 2, Zinc Plated, 15/64 in Ht, 50 PK

Zoro # G4368813
Mfr # HFNI2-120-050P
product price: 
$6.25
/pk of 50, $0.13/ea
Midwest Fastener Nylon Insert Lock Nut, M8-1.25, Steel, Class 8, Zinc Plated, 12 PK 31643
Midwest Fastener

Nylon Insert Lock Nut, M8-1.25, Steel, Class 8, Zinc Plated, 12 PK

Zoro # G902518075
Mfr # 31643
product price: 
$8.35
/pk of 12, $0.70/ea
Huyett Lock Nut, 1.767", Steel, Plain N-09
Huyett

Lock Nut, 1.767", Steel, Plain

Zoro # G900401157
Mfr # N-09
product price: 
$4.49
/ea
Sold in mult. of 6 for $26.94
Zoro Select Top Lock Distorted Thread Lock Nut, M16-2.00, Steel, Class 10, Zinc Plated, 16 mm Ht, 25 PK M12910.160.0001
Zoro Select

Top Lock Distorted Thread Lock Nut, M16-2.00, Steel, Class 10, Zinc Plated, 16 mm Ht, 25 PK

Zoro # G2860770
Mfr # M12910.160.0001
product price: 
$13.59
/pk of 25, $0.54/ea
X1 Tools 3/8-16 Performance Zinc-Plated Steel Nylon-Insert Locknuts X1E-FAS-NUT-LOC-1936x1
X1 Tools

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

Zoro # G322849346
Mfr # X1E-FAS-NUT-LOC-1936x1
product price: 
$0.75
/ea
Sold in mult. of 12 for $9.00
Zoro Select Top Lock Distorted Thread Lock Nut, No. 10-32, Steel, Grade 2, Zinc Plated, 7/32 in Ht, 100 PK HFNFI2-100-100P
CAD Files Available
Zoro Select

Top Lock Distorted Thread Lock Nut, No. 10-32, Steel, Grade 2, Zinc Plated, 7/32 in Ht, 100 PK

Zoro # G0802934
Mfr # HFNFI2-100-100P
product price: 
$4.65
/pk of 100, $0.05/ea
Thrifco Plumbing Plastic Flush Valve Nut 4401854
Thrifco Plumbing

Plastic Flush Valve Nut

Zoro # G110330506
Mfr # 4401854
product price: 
$4.85
/ea
Sold in mult. of 3 for $14.55
Morton Knurled Jam Nut, 5/8in-11 Thread Size, 1/2in Height, 1-3/8in Diameter KN-62
Morton

Knurled Jam Nut, 5/8in-11 Thread Size, 1/2in Height, 1-3/8in Diameter

Zoro # G715543851
Mfr # KN-62
product price: 
$7.49
/ea
Sold in mult. of 4 for $29.96
Midwest Fastener Nylon Insert Lock Nut, 3/4"-16, Steel, Grade 8, Yellow Zinc, 15 PK 51873
Midwest Fastener

Nylon Insert Lock Nut, 3/4"-16, Steel, Grade 8, Yellow Zinc, 15 PK

Zoro # G302526663
Mfr # 51873
product price: 
$23.25
/pk of 15, $1.55/ea
Zoro Select Top Lock Distorted Thread Lock Nut, 5/8"-18, Steel, Grade C, Zinc Plated, 47/64 in Ht, 10 PK U12950.062.0002
Zoro Select

Top Lock Distorted Thread Lock Nut, 5/8"-18, Steel, Grade C, Zinc Plated, 47/64 in Ht, 10 PK

Zoro # G5360451
Mfr # U12950.062.0002
product price: 
$6.89
/pk of 10, $0.69/ea
Zoro Select Top Lock Distorted Thread Lock Nut, 5/8"-18, Steel, Grade C, Yellow Zinc, 11/32 in Ht, 25 PK SLFI80621-025P
Zoro Select

Top Lock Distorted Thread Lock Nut, 5/8"-18, Steel, Grade C, Yellow Zinc, 11/32 in Ht, 25 PK

Zoro # G0739532
Mfr # SLFI80621-025P
product price: 
$16.69
/pk of 25, $0.67/ea
Zoro Select Top Lock Distorted Thread Lock Nut, 3/4"-10, Steel, Grade C, Yellow Zinc, 53/64 in Ht, 10 PK U12920.075.0001
CAD Files Available
Zoro Select

Top Lock Distorted Thread Lock Nut, 3/4"-10, Steel, Grade C, Yellow Zinc, 53/64 in Ht, 10 PK

Zoro # G5536036
Mfr # U12920.075.0001
product price: 
$8.29
/pk of 10, $0.83/ea
Zoro Select Nylon Insert Lock Nut, #10-32, 18-8 Stainless Steel, Not Graded, Plain, 3/16 in Ht, 50 PK U51422.019.0002
Zoro Select

Nylon Insert Lock Nut, #10-32, 18-8 Stainless Steel, Not Graded, Plain, 3/16 in Ht, 50 PK

Zoro # G0497007
Mfr # U51422.019.0002
product price: 
$8.65
/pk of 50, $0.17/ea
Zoro Select Nylon Insert Lock Nut, 5/16"-18, Steel, Grade 2, Zinc Plated, 7/16 in Ht, 100 PK NLI20310NU-100P
Zoro Select

Nylon Insert Lock Nut, 5/16"-18, Steel, Grade 2, Zinc Plated, 7/16 in Ht, 100 PK

Zoro # G0268536
Mfr # NLI20310NU-100P
product price: 
$8.69
/pk of 100, $0.09/ea
Boltsandnuts.Com Top Lock Lock Nut, 5/8"-18, Grade 8, Zinc Plated, 25 PK 62FPTNCZ-25
Boltsandnuts.Com

Top Lock Lock Nut, 5/8"-18, Grade 8, Zinc Plated, 25 PK

Zoro # G114486971
Mfr # 62FPTNCZ-25
product price: 
$25.99
/pk of 25, $1.04/ea
Boltsandnuts.Com Nylon Insert Lock Nut, 5/16"-18, 316 Stainless Steel, Plain, 100 PK 31CNNESS/316-100
Boltsandnuts.Com

Nylon Insert Lock Nut, 5/16"-18, 316 Stainless Steel, Plain, 100 PK

Zoro # G314446720
Mfr # 31CNNESS/316-100
product price: 
$39.19
/pk of 100, $0.39/ea
Midwest Fastener Nylon Insert Lock Nut, 1/2"-13, 18-8 Stainless Steel, Not Graded, 25 PK 05292
Midwest Fastener

Nylon Insert Lock Nut, 1/2"-13, 18-8 Stainless Steel, Not Graded, 25 PK

Zoro # G102526733
Mfr # 05292
product price: 
$26.99
/pk of 25, $1.08/ea
Midwest Fastener Nylon Insert Lock Nut, M8-1.25, Steel, Class 8, Zinc Plated, 50 PK 53666
Midwest Fastener

Nylon Insert Lock Nut, M8-1.25, Steel, Class 8, Zinc Plated, 50 PK

Zoro # G302526885
Mfr # 53666
product price: 
$9.19
/pk of 50, $0.18/ea
Midwest Fastener Nylon Insert Lock Nut, 3/8"-16, Steel, Grade 5, Zinc Plated, 12 PK 31503
CAD Files Available
Midwest Fastener

Nylon Insert Lock Nut, 3/8"-16, Steel, Grade 5, Zinc Plated, 12 PK

Zoro # G002516995
Mfr # 31503
product price: 
$8.79
/pk of 12, $0.73/ea
Titan Industrial Supply Lock Nut, 1/2"-13, Nylon, Grade 8 T1213NLNYZ8
Titan Industrial Supply

Lock Nut, 1/2"-13, Nylon, Grade 8

Zoro # G009116174
Mfr # T1213NLNYZ8
product price: 
$0.62
/ea
Sold in mult. of 14 for $8.68
Msi Products 1/4in INDUSTRIAL 150lb 304 Stainless Steel Locknut A3040604
Msi Products

1/4in INDUSTRIAL 150lb 304 Stainless Steel Locknut

Zoro # G015327908
Mfr # A3040604
product price: 
$9.29
/ea
Sold in mult. of 2 for $18.58
Boltsandnuts.Com Nylon Insert Lock Nut, 5/16"-18, 18-8 Stainless Steel, Plain, 50 PK 31CNNESS-50
Boltsandnuts.Com

Nylon Insert Lock Nut, 5/16"-18, 18-8 Stainless Steel, Plain, 50 PK

Zoro # G314446676
Mfr # 31CNNESS-50
product price: 
$18.89
/pk of 50, $0.38/ea
Zoro Select Lock Nut, 1"-11.5, Iron, Class 150, Galvanized 783YE1
CAD Files Available
Zoro Select

Lock Nut, 1"-11.5, Iron, Class 150, Galvanized

Zoro # G305781458
Mfr # 783YE1
product price: 
$3.99
/ea
Msi Products 2in INDUSTRIAL 150lb 304 Stainless Steel Locknut A3040632
Msi Products

2in INDUSTRIAL 150lb 304 Stainless Steel Locknut

Zoro # G115321844
Mfr # A3040632
product price: 
$25.89
/ea
Heyco -Lock Nuts M9144
Heyco

-Lock Nuts

Zoro # G916558654
Mfr # M9144
product price: 
$6.15
/ea
Sold in mult. of 2 for $12.30
Makita Lock Nut 193048-0
Makita

Lock Nut

Zoro # G3132145
Mfr # 193048-0
product price: 
$18.89
/ea
X1 Tools M6 x 1 mm Corrosion-Resistant 18-8 Stainless Steel Nylon-Insert Locknuts, 20PK X1E-FAS-NUT-LOC-2155x20
X1 Tools

M6 x 1 mm Corrosion-Resistant 18-8 Stainless Steel Nylon-Insert Locknuts, 20PK

Zoro # G022865974
Mfr # X1E-FAS-NUT-LOC-2155x20
product price: 
$6.19
/pk of 20, $0.31/ea
Sold in mult. of 2 pks for $12.38
Boltsandnuts.Com Top Lock Lock Nut, 3/4"-16, Grade 8, Phosphate and Oil, 5 PK 75FNHFGP-5
Boltsandnuts.Com

Top Lock Lock Nut, 3/4"-16, Grade 8, Phosphate and Oil, 5 PK

Zoro # G014488464
Mfr # 75FNHFGP-5
product price: 
$31.89
/pk of 5, $6.38/ea
Boltsandnuts.Com Serrated Lock Nut, 3/8"-16, Grade 8, Zinc Yellow, 50 PK 37CSLN8Y-50
Boltsandnuts.Com

Serrated Lock Nut, 3/8"-16, Grade 8, Zinc Yellow, 50 PK

Zoro # G614501983
Mfr # 37CSLN8Y-50
product price: 
$19.69
/pk of 50, $0.39/ea
Atc Pipe Lock Nut 3/4 in. Yellow Brass 1 pc 6JC050801521044
Atc

Pipe Lock Nut 3/4 in. Yellow Brass 1 pc

Zoro # G612170938
Mfr # 6JC050801521044
product price: 
$3.49
/ea
Sold in mult. of 5 for $17.45
Zoro Select External Tooth Lock Washer Lock Nut, #6-32, 18-8 Stainless Steel, Not Graded, Plain, 9/64 in Ht KEPIX0-6-100P
Zoro Select

External Tooth Lock Washer Lock Nut, #6-32, 18-8 Stainless Steel, Not Graded, Plain, 9/64 in Ht

Zoro # G0414942
Mfr # KEPIX0-6-100P
product price: 
$12.25
/pk of 100, $0.12/ea
Boltsandnuts.Com Top Lock Lock Nut, M14-2.0, Class 10, Zinc Yellow, 30 PK M14CFLN10Y-30
Boltsandnuts.Com

Top Lock Lock Nut, M14-2.0, Class 10, Zinc Yellow, 30 PK

Zoro # G514504299
Mfr # M14CFLN10Y-30
product price: 
$33.19
/pk of 30, $1.11/ea
Huyett Nylon Insert Lock Nut, 5/8-11, Stainless Steel, 18-8, Plain, 0.75 in Ht NUTH59-0625-0750188P
Huyett

Nylon Insert Lock Nut, 5/8-11, Stainless Steel, 18-8, Plain, 0.75 in Ht

Zoro # G613331123
Mfr # NUTH59-0625-0750188P
product price: 
$0.77
/ea
Sold in mult. of 22 for $16.94
Lock Nuts (10,000+ items) - Page 3
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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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