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  7. Lock Nuts

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

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 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 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 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
Zoro Select Nylon Insert Lock Nut, M12-1.75, 18-8 Stainless Steel, Not Graded, Plain, 12 mm Ht, 25 PK M51730.120.0001
CAD Files Available
Zoro Select

Nylon Insert Lock Nut, M12-1.75, 18-8 Stainless Steel, Not Graded, Plain, 12 mm Ht, 25 PK

Zoro # G5334847
Mfr # M51730.120.0001
product price:  $9.69
/pk 25, $0.39/ea
Zoro Select Nylon Insert Lock Nut, 1/2"-13, Steel, Grade 2, Zinc Plated, 5/16 in Ht, 100 PK NLI20500NTE-100P
Zoro Select

Nylon Insert Lock Nut, 1/2"-13, Steel, Grade 2, Zinc Plated, 5/16 in Ht, 100 PK

Zoro # G2723777
Mfr # NLI20500NTE-100P
product price:  $13.89
/pk 100, $0.14/ea
Midwest Fastener Free Spinning Washer Lock Nut, 3/8"-16, Steel, Zinc Plated, 50 PK 09651
Midwest Fastener

Free Spinning Washer Lock Nut, 3/8"-16, Steel, Zinc Plated, 50 PK

Zoro # G402526686
Mfr # 09651
product price:  $60.39
/pk 50, $1.21/ea
Zoro Select Serrated Lock Nut, 1/4"-20, Steel, Grade 2, Zinc Plated, 9/64 in Ht, 100 PK 3HDX2
CAD Files Available
Zoro Select

Serrated Lock Nut, 1/4"-20, Steel, Grade 2, Zinc Plated, 9/64 in Ht, 100 PK

Zoro # G3399882
Mfr # 3HDX2
product price:  $7.89
/pk 100, $0.08/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 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
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
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
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
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 Nylon Insert Lock Nut, M12-1.75, Steel, Class 5, Zinc Plated, 12 mm Ht, 50 PK M12300.120.0001
Zoro Select

Nylon Insert Lock Nut, M12-1.75, Steel, Class 5, Zinc Plated, 12 mm Ht, 50 PK

Zoro # G6194142
Mfr # M12300.120.0001
product price:  $6.89
/pk 50, $0.14/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 12, $0.73/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
Zoro Select Serrated Lock Nut, #8-32, 18-8 Stainless Steel, Not Graded, Plain, 13/64 in Ht, 50 PK U51108.016.0001
CAD Files Available
Zoro Select

Serrated Lock Nut, #8-32, 18-8 Stainless Steel, Not Graded, Plain, 13/64 in Ht, 50 PK

Zoro # G3391337
Mfr # U51108.016.0001
product price:  $13.79
/pk 50, $0.28/ea
Zoro Select Top Lock Distorted Thread Lock Nut, M14-2.00, Steel, Class 8, Zinc Plated, 14 mm Ht, 10 PK 4CAL4
Zoro Select

Top Lock Distorted Thread Lock Nut, M14-2.00, Steel, Class 8, Zinc Plated, 14 mm Ht, 10 PK

Zoro # G1382735
Mfr # 4CAL4
product price:  $5.69
/pk 10, $0.57/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, #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:  $4.15
/pk 100, $0.04/ea
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:  $19.19
/pk 100, $0.19/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, 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, 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 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, 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:  $5.69
/pk 50, $0.11/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 Serrated Lock Nut, #10-24, 18-8 Stainless Steel, Not Graded, Plain, 7/32 in Ht, 50 PK U51108.019.0001
CAD Files Available
Zoro Select

Serrated Lock Nut, #10-24, 18-8 Stainless Steel, Not Graded, Plain, 7/32 in Ht, 50 PK

Zoro # G3391328
Mfr # U51108.019.0001
product price:  $9.59
/pk 50, $0.19/ea
Zoro Select Nylon Insert Lock Nut, 1/2"-20, Steel, Grade 5, Zinc Plated, 19/32 in Ht, 25 PK U12353.050.0002
Zoro Select

Nylon Insert Lock Nut, 1/2"-20, Steel, Grade 5, Zinc Plated, 19/32 in Ht, 25 PK

Zoro # G5332686
Mfr # U12353.050.0002
product price:  $7.85
/pk 25, $0.31/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:  $21.39
/pk 100, $0.21/ea
Zoro Select Lock Nut, 1/2"-13, 18-8 Stainless Steel, Not Graded, 50 PK 50NXLTH188
Zoro Select

Lock Nut, 1/2"-13, 18-8 Stainless Steel, Not Graded, 50 PK

Zoro # G2454759
Mfr # 50NXLTH188
product price:  $224.99
/pk 50, $4.50/ea
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 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 Nylon Insert Lock Nut, M10-1.50, A4 Stainless Steel, Not Graded, Plain, 10 mm Ht, 50 PK M55730.100.0001
Zoro Select

Nylon Insert Lock Nut, M10-1.50, A4 Stainless Steel, Not Graded, Plain, 10 mm Ht, 50 PK

Zoro # G5334883
Mfr # M55730.100.0001
product price:  $15.49
/pk 50, $0.31/ea
Midwest Fastener Lock Nut, 1/4"-20, 316 Stainless Steel, Not Graded, 20 PK 932244
Midwest Fastener

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

Zoro # G702526652
Mfr # 932244
product price:  $10.99
/pk 20, $0.55/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 NutsFlange NutsCoupling NutsWing NutsGeneral Washers
Hex Head Cap ScrewsSocket Head Cap ScrewsMachine ScrewsLock WashersSelf-Tapping Screws
lock nut nylon insertnylon insert flange nutflanged locknutnylon-insert locknuts3/8-16 nuts stainless steel
3/8" flange nuts5/8-18 flange nutdistorted thread lock nutserrated flange lock nutlock nut 5/16-18

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