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  7. Lock Nuts

Lock Nuts (10,000+ items) - Page 2

Midwest Fastener Lock Nut, 5/8"-11, Steel, Grade 8, Yellow Zinc, 25 PK 50352
Midwest Fastener

Lock Nut, 5/8"-11, Steel, Grade 8, Yellow Zinc, 25 PK

Zoro # G702516769
Mfr # 50352
product price: 
$47.15
/pk 25, $1.89/ea
Zoro Select Nylon Insert Lock Nut, M8-1.25, Steel, Class 8, Zinc Plated, 8 mm Ht, 100 PK M12348.080.0001
Zoro Select

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

Zoro # G9464874
Mfr # M12348.080.0001
product price: 
$7.15
/pk 100, $0.07/ea
Zoro Select Serrated Lock Nut, M6-1.00, Steel, Class 8, Zinc Plated, 6 mm Ht, 100 PK M11610.060.0001
Zoro Select

Serrated Lock Nut, M6-1.00, Steel, Class 8, Zinc Plated, 6 mm Ht, 100 PK

Zoro # G1810859
Mfr # M11610.060.0001
product price: 
$8.95
/pk 100, $0.09/ea
Boltsandnuts.Com Nylon Insert Lock Nut, 3/8"-16, Grade 8, Zinc Yellow, 25 PK 37CNNE8Y-25
Boltsandnuts.Com

Nylon Insert Lock Nut, 3/8"-16, Grade 8, Zinc Yellow, 25 PK

Zoro # G414455905
Mfr # 37CNNE8Y-25
product price: 
$8.49
/pk 25, $0.34/ea
Zoro Select Nylon Insert Lock Nut, 3/8"-16, Steel, Grade 2, Zinc Plated, 15/32 in Ht, 50 PK U12300.037.0001
CAD Files Available
Zoro Select

Nylon Insert Lock Nut, 3/8"-16, Steel, Grade 2, Zinc Plated, 15/32 in Ht, 50 PK

Zoro # G5360582
Mfr # U12300.037.0001
product price: 
$4.39
/pk 50, $0.09/ea
Zoro Select Nylon Insert Lock Nut, M6-1.00, Steel, Class 5, Zinc Plated, 6 mm Ht, 100 PK M12300.060.0001
CAD Files Available
Zoro Select

Nylon Insert Lock Nut, M6-1.00, Steel, Class 5, Zinc Plated, 6 mm Ht, 100 PK

Zoro # G1698085
Mfr # M12300.060.0001
product price: 
$2.89
/pk 100, $0.03/ea
Zoro Select Top Lock Distorted Thread Lock Nut, 1/2"-13, Steel, Grade C, Zinc Yellow, 17/64 in Ht, 50 PK SLI80501-050P
CAD Files Available
Zoro Select

Top Lock Distorted Thread Lock Nut, 1/2"-13, Steel, Grade C, Zinc Yellow, 17/64 in Ht, 50 PK

Zoro # G0579713
Mfr # SLI80501-050P
product price: 
$12.89
/pk 50, $0.26/ea
Zoro Select Lock Nut, 3/8"-16, 18-8 Stainless Steel, Not Graded, Plain, 25 PK U51108.037.0001
CAD Files Available
Zoro Select

Lock Nut, 3/8"-16, 18-8 Stainless Steel, Not Graded, Plain, 25 PK

Zoro # G3391291
Mfr # U51108.037.0001
product price: 
$6.89
/pk 25, $0.28/ea
Huyett Nylon Insert Lock Nut, 3/8-16, Stainless Steel, 18-8, Plain, 0.453 in Ht NUTH59-0375-0453188P
Huyett

Nylon Insert Lock Nut, 3/8-16, Stainless Steel, 18-8, Plain, 0.453 in Ht

Zoro # G613330591
Mfr # NUTH59-0375-0453188P
product price: 
$0.15
/ea
Sold in mult. of 112 for $16.80
Zoro Select Center-Lock Distorted Thread Reversible Lock Nut, 1/4"-20, Steel, Grade A, Zinc Plated, 7/32 in Ht CLNI20250-100P
Zoro Select

Center-Lock Distorted Thread Reversible Lock Nut, 1/4"-20, Steel, Grade A, Zinc Plated, 7/32 in Ht

Zoro # G0948437
Mfr # CLNI20250-100P
product price: 
$7.15
/pk 100, $0.07/ea
Boltsandnuts.Com Serrated Lock Nut, 1/4"-20, Grade 5, Zinc Plated, 200 PK 25CSLN5Z-200
Boltsandnuts.Com

Serrated Lock Nut, 1/4"-20, Grade 5, Zinc Plated, 200 PK

Zoro # G314449561
Mfr # 25CSLN5Z-200
product price: 
$26.49
/pk 200, $0.13/ea
Zoro Select External Tooth Lock Washer Lock Nut, 1/4"-20, 18-8 Stainless Steel, Not Graded, Plain, 15/64 in Ht KEPIX025-050P
Zoro Select

External Tooth Lock Washer Lock Nut, 1/4"-20, 18-8 Stainless Steel, Not Graded, Plain, 15/64 in Ht

Zoro # G3006717
Mfr # KEPIX025-050P
product price: 
$5.89
/pk 50, $0.12/ea
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 100, $0.05/ea
Zoro Select Nylon Insert Lock Nut, #10-24, Steel, Grade 2, Zinc Plated, 15/64 in Ht, 100 PK U12300.019.0001
CAD Files Available
Zoro Select

Nylon Insert Lock Nut, #10-24, Steel, Grade 2, Zinc Plated, 15/64 in Ht, 100 PK

Zoro # G2711511
Mfr # U12300.019.0001
product price: 
$3.65
/pk 100, $0.04/ea
Zoro Select Nylon Insert Lock Nut, 1/2"-13, Steel, Grade 2, Zinc Plated, 19/32 in Ht, 25 PK U12300.050.0001
CAD Files Available
Zoro Select

Nylon Insert Lock Nut, 1/2"-13, Steel, Grade 2, Zinc Plated, 19/32 in Ht, 25 PK

Zoro # G5332652
Mfr # U12300.050.0001
product price: 
$5.49
/pk 25, $0.22/ea
Huyett Nylon Insert Lock Nut, 1/4-20, Stainless Steel, 18-8, Plain, 0.312 in Ht NUTH59-0250-0312188P
Huyett

Nylon Insert Lock Nut, 1/4-20, Stainless Steel, 18-8, Plain, 0.312 in Ht

Zoro # G313330754
Mfr # NUTH59-0250-0312188P
product price: 
$0.11
/ea
Sold in mult. of 162 for $17.82
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 100, $0.12/ea
Zoro Select External Tooth Lock Washer Lock Nut, #10-32, 18-8 Stainless Steel, Not Graded, Plain, 5/32 in Ht KEPFIX-10-100P
Zoro Select

External Tooth Lock Washer Lock Nut, #10-32, 18-8 Stainless Steel, Not Graded, Plain, 5/32 in Ht

Zoro # G2460805
Mfr # KEPFIX-10-100P
product price: 
$10.45
/pk 100, $0.10/ea
Zoro Select External Tooth Lock Washer Lock Nut, #4-40, 18-8 Stainless Steel, Not Graded, Plain, 7/64 in Ht KEPIX0-4-100P
Zoro Select

External Tooth Lock Washer Lock Nut, #4-40, 18-8 Stainless Steel, Not Graded, Plain, 7/64 in Ht

Zoro # G2711536
Mfr # KEPIX0-4-100P
product price: 
$6.25
/pk 100, $0.06/ea
Zoro Select Nylon Insert Lock Nut, 5/8"-11, Steel, Grade 2, Zinc Plated, 3/4 in Ht, 10 PK U12300.062.0001
Zoro Select

Nylon Insert Lock Nut, 5/8"-11, Steel, Grade 2, Zinc Plated, 3/4 in Ht, 10 PK

Zoro # G5332625
Mfr # U12300.062.0001
product price: 
$2.95
/pk 10, $0.30/ea
Zoro Select Nylon Insert Lock Nut, 3/4"-10, Steel, Grade 2, Zinc Plated, 7/8 in Ht, 20 PK 12P612
CAD Files Available
Zoro Select

Nylon Insert Lock Nut, 3/4"-10, Steel, Grade 2, Zinc Plated, 7/8 in Ht, 20 PK

Zoro # G4264653
Mfr # 12P612
product price: 
$5.59
/pk 20, $0.28/ea
Zoro Select Top Lock Distorted Thread Lock Nut, 1/4"-20, Steel, Grade C, Yellow Zinc, 7/32 in Ht, 100 PK SLI80251-100P
Zoro Select

Top Lock Distorted Thread Lock Nut, 1/4"-20, Steel, Grade C, Yellow Zinc, 7/32 in Ht, 100 PK

Zoro # G1902853
Mfr # SLI80251-100P
product price: 
$8.19
/pk 100, $0.08/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 50, $0.13/ea
Zoro Select Lock Nut, M10-1.50, Steel, Class 8, Zinc Plated, 10 mm Ht, 100 PK M11590.100.0001
Zoro Select

Lock Nut, M10-1.50, Steel, Class 8, Zinc Plated, 10 mm Ht, 100 PK

Zoro # G2649757
Mfr # M11590.100.0001
product price: 
$5.49
/pk 100, $0.05/ea
Zoro Select Nylon Insert Lock Nut, 1/4"-20, Steel, Grade 2, Zinc Plated, 13/64 in Ht, 100 PK NLI20250NTE-100P
Zoro Select

Nylon Insert Lock Nut, 1/4"-20, Steel, Grade 2, Zinc Plated, 13/64 in Ht, 100 PK

Zoro # G0327871
Mfr # NLI20250NTE-100P
product price: 
$4.15
/pk 100, $0.04/ea
Zoro Select Top Lock Distorted Thread Lock Nut, 5/16"-18, Steel, Grade C, Yellow Zinc, 17/64 in Ht, 100 PK SLI80311-100P
Zoro Select

Top Lock Distorted Thread Lock Nut, 5/16"-18, Steel, Grade C, Yellow Zinc, 17/64 in Ht, 100 PK

Zoro # G3325357
Mfr # SLI80311-100P
product price: 
$12.49
/pk 100, $0.12/ea
Zoro Select Lock Nut, 1/4 in-20, 18-8 Stainless Steel, Not Graded, Plain, 15/64 in Ht HFNIX025-050P
Zoro Select

Lock Nut, 1/4 in-20, 18-8 Stainless Steel, Not Graded, Plain, 15/64 in Ht

Zoro # G3084374
Mfr # HFNIX025-050P
product price: 
$4.65
/pk 50, $0.09/ea
Zoro Select Nylon Insert Lock Nut, M12-1.75, Steel, Class 10, Yellow Zinc, 12 mm Ht, 50 PK M12450.120.0001
Zoro Select

Nylon Insert Lock Nut, M12-1.75, Steel, Class 10, Yellow Zinc, 12 mm Ht, 50 PK

Zoro # G9464962
Mfr # M12450.120.0001
product price: 
$21.99
/pk 50, $0.44/ea
Zoro Select Serrated Lock Nut, 7/16"-20, Steel, Grade A, Zinc Plated, 25/64 in Ht, 50 PK U11612.043.0001
Zoro Select

Serrated Lock Nut, 7/16"-20, Steel, Grade A, Zinc Plated, 25/64 in Ht, 50 PK

Zoro # G3391370
Mfr # U11612.043.0001
product price: 
$8.95
/pk 50, $0.18/ea
Zoro Select Nylon Insert Lock Nut, 5/16"-18, Steel, Grade A, Zinc Plated, 11/64 in Ht, 100 PK 4CAP2
Zoro Select

Nylon Insert Lock Nut, 5/16"-18, Steel, Grade A, Zinc Plated, 11/64 in Ht, 100 PK

Zoro # G1575226
Mfr # 4CAP2
product price: 
$11.69
/pk 100, $0.12/ea
Zoro Select Nylon Insert Lock Nut, M4-0.70, A4 Stainless Steel, Not Graded, Plain, 5 mm Ht, 50 PK M55730.040.0001
Zoro Select

Nylon Insert Lock Nut, M4-0.70, A4 Stainless Steel, Not Graded, Plain, 5 mm Ht, 50 PK

Zoro # G0244544
Mfr # M55730.040.0001
product price: 
$4.35
/pk 50, $0.09/ea
Zoro Select Nylon Insert Lock Nut, 3/8"-16, Steel, Grade 2, Zinc Plated, 17/64 in Ht, 100 PK NLI20370NTE-100P
Zoro Select

Nylon Insert Lock Nut, 3/8"-16, Steel, Grade 2, Zinc Plated, 17/64 in Ht, 100 PK

Zoro # G2123615
Mfr # NLI20370NTE-100P
product price: 
$9.49
/pk 100, $0.09/ea
Zoro Select Nylon Insert Lock Nut, M6-1.00, A4 Stainless Steel, Not Graded, Plain, 6 mm Ht, 50 PK M55730.060.0001
Zoro Select

Nylon Insert Lock Nut, M6-1.00, A4 Stainless Steel, Not Graded, Plain, 6 mm Ht, 50 PK

Zoro # G2050867
Mfr # M55730.060.0001
product price: 
$5.59
/pk 50, $0.11/ea
Zoro Select Nylon Insert Lock Nut, M3-0.50, A2 Stainless Steel, Not Graded, Plain, 4 mm Ht, 50 PK M51730.030.0001
Zoro Select

Nylon Insert Lock Nut, M3-0.50, A2 Stainless Steel, Not Graded, Plain, 4 mm Ht, 50 PK

Zoro # G5334786
Mfr # M51730.030.0001
product price: 
$3.35
/pk 50, $0.07/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 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 25, $0.15/ea
Lock Nuts (10,000+ items) - Page 2
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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 NutsCoupling NutsFlange NutsWing 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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