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  7. Lock Nuts

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

Zoro Select Top Lock Distorted Thread Lock Nut, 3/4"-10, Steel, Grade C, Zinc Plated, 53/64 in Ht, 10 PK U12910.075.0001
Zoro Select

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

Zoro # G5360406
Mfr # U12910.075.0001
product price:  $4.99
/pk 10, $0.50/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
Zoro Select Center-Lock Distorted Thread Reversible Lock Nut, 3/8"-16, Steel, Grade A, Zinc Plated, 21/64 in Ht CLNI20370-100P
Zoro Select

Center-Lock Distorted Thread Reversible Lock Nut, 3/8"-16, Steel, Grade A, Zinc Plated, 21/64 in Ht

Zoro # G2731163
Mfr # CLNI20370-100P
product price:  $10.69
/pk 100, $0.11/ea
Zoro Select Nylon Insert Lock Nut, 1/4"-20, Steel, Grade 8, Black Oxide, 5/16 in Ht, 100 PK U12411.025.0001
CAD Files Available
Zoro Select

Nylon Insert Lock Nut, 1/4"-20, Steel, Grade 8, Black Oxide, 5/16 in Ht, 100 PK

Zoro # G1797801
Mfr # U12411.025.0001
product price:  $5.59
/pk 100, $0.06/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 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 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 Nylon Insert Lock Nut, M20-2.50, Steel, Class 10, Yellow Zinc, 20 mm Ht, 10 PK M12450.200.0001
Zoro Select

Nylon Insert Lock Nut, M20-2.50, Steel, Class 10, Yellow Zinc, 20 mm Ht, 10 PK

Zoro # G2860840
Mfr # M12450.200.0001
product price:  $6.89
/pk 10, $0.69/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
Boltsandnuts.Com Nylon Insert Lock Nut, 5/16"-18, Grade 8, Zinc Yellow, 50 PK 31CNNE8Y-50
Boltsandnuts.Com

Nylon Insert Lock Nut, 5/16"-18, Grade 8, Zinc Yellow, 50 PK

Zoro # G314446331
Mfr # 31CNNE8Y-50
product price:  $10.45
/pk 50, $0.21/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 Serrated Lock Nut, M10-1.50, Steel, Class 8, Zinc Plated, 10 mm Ht, 100 PK M11610.100.0001
Zoro Select

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

Zoro # G2649720
Mfr # M11610.100.0001
product price:  $21.35
/pk 100, $0.21/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, #8-32, 18-8 Stainless Steel, Not Graded, Plain, 5/32 in Ht KEPIX0-8-100P
Zoro Select

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

Zoro # G1779784
Mfr # KEPIX0-8-100P
product price:  $9.99
/pk 100, $0.10/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, #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, No. 8-32, Steel, Grade 2, Zinc Plated, 7/32 in Ht, 100 PK U12300.016.0001
CAD Files Available
Zoro Select

Nylon Insert Lock Nut, No. 8-32, Steel, Grade 2, Zinc Plated, 7/32 in Ht, 100 PK

Zoro # G2988431
Mfr # U12300.016.0001
product price:  $4.45
/pk 100, $0.04/ea
Zoro Select Nylon Insert Lock Nut, 1/2"-20, 316 Stainless Steel, Not Graded, Plain, 10 PK U55411.050.0002
Zoro Select

Nylon Insert Lock Nut, 1/2"-20, 316 Stainless Steel, Not Graded, Plain, 10 PK

Zoro # G8559643
Mfr # U55411.050.0002
product price:  $8.65
/pk 10, $0.87/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 25, $0.15/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 Nylon Insert Lock Nut, 7/8"-14, Steel, Grade 2, Zinc Plated, 63/64 in Ht, 5 PK U12320.087.0002
CAD Files Available
Zoro Select

Nylon Insert Lock Nut, 7/8"-14, Steel, Grade 2, Zinc Plated, 63/64 in Ht, 5 PK

Zoro # G5360573
Mfr # U12320.087.0002
product price:  $5.95
/pk 5, $1.19/ea
Huyett Lock Nut, 2.36", Steel, Plain N-12
Huyett

Lock Nut, 2.36", Steel, Plain

Zoro # G000401149
Mfr # N-12
product price:  $7.79
/ea
Sold in mult. of 4 for $31.16
Makita Lock Nut 193048-0
Makita

Lock Nut

Zoro # G3132145
Mfr # 193048-0
product price:  $18.89
/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 25, $1.08/ea
Zoro Select Top Lock Distorted Thread Lock Nut, M10-1.50, Steel, Class 8, Zinc Plated, 10 mm Ht, 25 PK 4CAL2
Zoro Select

Top Lock Distorted Thread Lock Nut, M10-1.50, Steel, Class 8, Zinc Plated, 10 mm Ht, 25 PK

Zoro # G1888372
Mfr # 4CAL2
product price:  $6.59
/pk 25, $0.26/ea
Msi Products 3/4in INDUSTRIAL 150lb 316 Stainless Steel Locknut A3240612
Msi Products

3/4in INDUSTRIAL 150lb 316 Stainless Steel Locknut

Zoro # G715321503
Mfr # A3240612
product price:  $13.49
/ea
Zoro Select Top Lock Distorted Thread Lock Nut, 5/8"-11, Steel, Grade C, Phosphate and Oil, 3/4 in Ht, 10 PK U12120.062.0001
Zoro Select

Top Lock Distorted Thread Lock Nut, 5/8"-11, Steel, Grade C, Phosphate and Oil, 3/4 in Ht, 10 PK

Zoro # G5330132
Mfr # U12120.062.0001
product price:  $6.35
/pk 10, $0.64/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 Lock Nut, 1-1/4"-11.5, Iron, Class 150 783Y36
CAD Files Available
Zoro Select

Lock Nut, 1-1/4"-11.5, Iron, Class 150

Zoro # G905781490
Mfr # 783Y36
product price:  $3.49
/ea
Midwest Fastener Nylon Insert Lock Nut, 1/4"-20, 18-8 Stainless Steel, Not Graded, 100 PK 05289
Midwest Fastener

Nylon Insert Lock Nut, 1/4"-20, 18-8 Stainless Steel, Not Graded, 100 PK

Zoro # G302526700
Mfr # 05289
product price:  $22.45
/pk 100, $0.22/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, 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 Lock Nut, M8-1.25, Steel, Class 8, Zinc Plated, 8 mm Ht, 100 PK M11590.080.0001
CAD Files Available
Zoro Select

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

Zoro # G2649766
Mfr # M11590.080.0001
product price:  $14.15
/pk 100, $0.14/ea
Zoro Select Nylon Insert Lock Nut, #4-40, Steel, Grade 2, Zinc Plated, 3/32 in Ht, 100 PK U12300.011.0001
Zoro Select

Nylon Insert Lock Nut, #4-40, Steel, Grade 2, Zinc Plated, 3/32 in Ht, 100 PK

Zoro # G9485192
Mfr # U12300.011.0001
product price:  $4.19
/pk 100, $0.04/ea
Zoro Select Self Threading Lock Nut, 1/4"-20, Nylon, Grade 6, Plain, 9/32 in Ht, 25 PK 0725020SLN
Zoro Select

Self Threading Lock Nut, 1/4"-20, Nylon, Grade 6, Plain, 9/32 in Ht, 25 PK

Zoro # G3125437
Mfr # 0725020SLN
product price:  $4.99
/pk 25, $0.20/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
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 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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