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  7. Lock Nuts

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

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 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 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 Top Lock Distorted Thread Lock Nut, M12-1.75, Steel, Class 10, Zinc Plated, 12 mm Ht, 50 PK M12910.120.0001
Zoro Select

Top Lock Distorted Thread Lock Nut, M12-1.75, Steel, Class 10, Zinc Plated, 12 mm Ht, 50 PK

Zoro # G1971691
Mfr # M12910.120.0001
product price:  $7.49
/pk 50, $0.15/ea
Zoro Select Nylon Insert Lock Nut, 5/16"-18, 18-8 Stainless Steel, Not Graded, Plain, 5/16 in Ht, 50 PK U51705.031.0001
CAD Files Available
Zoro Select

Nylon Insert Lock Nut, 5/16"-18, 18-8 Stainless Steel, Not Graded, Plain, 5/16 in Ht, 50 PK

Zoro # G6074966
Mfr # U51705.031.0001
product price:  $43.39
/pk 50, $0.87/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
Zoro Select Serrated Lock Nut, 3/8"-16, Steel, Grade 8, Phosphate and Oil, 11/32 in Ht, 100 PK U12470.037.0001
CAD Files Available
Zoro Select

Serrated Lock Nut, 3/8"-16, Steel, Grade 8, Phosphate and Oil, 11/32 in Ht, 100 PK

Zoro # G2527607
Mfr # U12470.037.0001
product price:  $28.79
/pk 100, $0.29/ea
Disc-Lock Heavy Hex with Washer Lock Nut, 3/4"-10, Steel, Grade 8, Black Oxide, 20 PK DLTCN-750
CAD Files Available
Disc-Lock

Heavy Hex with Washer Lock Nut, 3/4"-10, Steel, Grade 8, Black Oxide, 20 PK

Zoro # G9594103
Mfr # DLTCN-750
product price:  $47.45
/pk 20, $2.37/ea
Zoro Select Top Lock Distorted Thread Lock Nut, 3/8"-16, Steel, Grade A, Zinc Plated, 13/32 in Ht, 50 PK U12100.037.0001
Zoro Select

Top Lock Distorted Thread Lock Nut, 3/8"-16, Steel, Grade A, Zinc Plated, 13/32 in Ht, 50 PK

Zoro # G0319238
Mfr # U12100.037.0001
product price:  $7.19
/pk 50, $0.14/ea
Zoro Select Nylon Insert Lock Nut, 5/8"-18, Steel, Grade 5, Zinc Plated, 10 PK U12353.062.0002
Zoro Select

Nylon Insert Lock Nut, 5/8"-18, Steel, Grade 5, Zinc Plated, 10 PK

Zoro # G5381616
Mfr # U12353.062.0002
product price:  $14.65
/pk 10, $1.47/ea
Zoro Select Nylon Insert Lock Nut, 1/4"-20, Steel, Grade A, Zinc Plated, 9/64 in Ht, 100 PK 4CAP1
Zoro Select

Nylon Insert Lock Nut, 1/4"-20, Steel, Grade A, Zinc Plated, 9/64 in Ht, 100 PK

Zoro # G3214924
Mfr # 4CAP1
product price:  $9.89
/pk 100, $0.10/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
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 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
Midwest Fastener Nylon Insert Lock Nut, 1/2"-13, Steel, Grade 2, Zinc Plated, 50 PK 03653
CAD Files Available
Midwest Fastener

Nylon Insert Lock Nut, 1/2"-13, Steel, Grade 2, Zinc Plated, 50 PK

Zoro # G502526821
Mfr # 03653
product price:  $15.75
/pk 50, $0.32/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 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 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
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 50, $0.39/ea
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 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
Skf 18 Threads per Inch, 2-17/32 in. Outside Diameter N 09
Skf

18 Threads per Inch, 2-17/32 in. Outside Diameter

Zoro # G712509829
Mfr # N 09
product price:  $10.29
/ea
Hillman 1/4-20 in. Zinc-Plated Steel USS Nylon Lock Nut, 100PK 180147
Hillman

1/4-20 in. Zinc-Plated Steel USS Nylon Lock Nut, 100PK

Zoro # G016113166
Mfr # 180147
product price:  $16.19
/pk 100, $0.16/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
Huyett Lock Nut, 1.563", Steel, Plain N-08
Huyett

Lock Nut, 1.563", Steel, Plain

Zoro # G300401146
Mfr # N-08
product price:  $3.39
/ea
Sold in mult. of 8 for $27.12
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 50, $0.38/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 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 100, $0.39/ea
Titan Industrial Supply Lock Nut, 1/2"-20, Nylon, Grade 8 T1220NLNYZ8FT
Titan Industrial Supply

Lock Nut, 1/2"-20, Nylon, Grade 8

Zoro # G009152639
Mfr # T1220NLNYZ8FT
product price:  $0.68
/ea
Sold in mult. of 13 for $8.84
Huyett Nylon Insert Lock Nut, 5/16-18, Stainless Steel, 18-8, Plain, 0.343 in Ht NUTH59-0312-0343188P
Huyett

Nylon Insert Lock Nut, 5/16-18, Stainless Steel, 18-8, Plain, 0.343 in Ht

Zoro # G613330782
Mfr # NUTH59-0312-0343188P
product price:  $0.14
/ea
Sold in mult. of 134 for $18.76
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 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 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
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 15, $1.55/ea
Zoro Select Serrated Lock Nut, 3/8"-16, 18-8 Stainless Steel, Not Graded, Plain, 11/32 in Ht, 25 PK HFNIX037-025P
Zoro Select

Serrated Lock Nut, 3/8"-16, 18-8 Stainless Steel, Not Graded, Plain, 11/32 in Ht, 25 PK

Zoro # G0985354
Mfr # HFNIX037-025P
product price:  $11.79
/pk 25, $0.47/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 30, $1.11/ea
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 NutsWing NutsGeneral Washers
Hex Head Cap ScrewsMachine ScrewsSocket Head Cap ScrewsLock WashersSelf-Tapping Screws
5/16-24 nuts2 inch locknutlock nut 5/16-18flanged locknutn-10 lock nut
1/4" locking nutnylon insert hex nutnylon-insert locknuts3/8-16 nuts stainless steel10mm nuts

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