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  7. Lock Nuts

Lock Nuts (10,000+ items) - Page 5

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 10, $0.83/ea
Boltsandnuts.Com Nylon Insert Lock Nut, #10-24, 18-8 Stainless Steel, Plain, 100 PK 10CNNMSS-100
Boltsandnuts.Com

Nylon Insert Lock Nut, #10-24, 18-8 Stainless Steel, Plain, 100 PK

Zoro # G514432073
Mfr # 10CNNMSS-100
product price:  $22.19
/pk 100, $0.22/ea
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 Top Lock Distorted Thread Lock Nut, M8-1.25, Steel, Class 8, Zinc Plated, 8 mm Ht, 50 PK 4CAL1
Zoro Select

Top Lock Distorted Thread Lock Nut, M8-1.25, Steel, Class 8, Zinc Plated, 8 mm Ht, 50 PK

Zoro # G2349891
Mfr # 4CAL1
product price:  $6.15
/pk 50, $0.12/ea
Newport Fasteners Nylon Insert Lock Nut, 1-5/8"-5.5, Steel, Grade A, Zinc Plated, 22 PK 598619-BR-22
Newport Fasteners

Nylon Insert Lock Nut, 1-5/8"-5.5, Steel, Grade A, Zinc Plated, 22 PK

Zoro # G406329672
Mfr # 598619-BR-22
product price:  $798.99
/pk 22, $36.32/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
Zoro Select Lock Nut, 1/4"-20, Nylon, Black Oxide, 0.225 in Ht, 4000 PK 14NSTB
Zoro Select

Lock Nut, 1/4"-20, Nylon, Black Oxide, 0.225 in Ht, 4000 PK

Zoro # G2451861
Mfr # 14NSTB
product price:  $209.99
/pk 4000, $0.05/ea
Zoro Select Nylon Insert Lock Nut, 9/16"-12, Steel, Grade 2, Zinc Plated, 25/32 in Ht, 25 PK U12300.056.0001
Zoro Select

Nylon Insert Lock Nut, 9/16"-12, Steel, Grade 2, Zinc Plated, 25/32 in Ht, 25 PK

Zoro # G4266525
Mfr # U12300.056.0001
product price:  $6.79
/pk 25, $0.27/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
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
Suburban Bolt And Supply Stover Lock Nut, 5/8"-18, Steel, Grade C, Zinc Plated A04304000STZ
Suburban Bolt And Supply

Stover Lock Nut, 5/8"-18, Steel, Grade C, Zinc Plated

Zoro # G603459059
Mfr # A04304000STZ
product price:  $1.95
/ea
Sold in mult. of 50 for $97.50
Midwest Fastener Lock Nut, 7/16"-14, Steel, Grade 8, Yellow Zinc, 10 PK 74641
Midwest Fastener

Lock Nut, 7/16"-14, Steel, Grade 8, Yellow Zinc, 10 PK

Zoro # G002519651
Mfr # 74641
product price:  $10.99
/pk 10, $1.10/ea
Zoro Select Lock Nut, M24-3.00, Stainless Steel, Not Graded, Plain, 100 PK M24D439BA2
Zoro Select

Lock Nut, M24-3.00, Stainless Steel, Not Graded, Plain, 100 PK

Zoro # G9081845
Mfr # M24D439BA2
product price:  $159.99
/pk 100, $1.60/ea
X1 Tools M6 x 1 mm Ultra Hi Performance Zinc-Plated Steel Nylon-Insert Locknuts, 120PK X1E-FAS-NUT-LOC-1114x120
X1 Tools

M6 x 1 mm Ultra Hi Performance Zinc-Plated Steel Nylon-Insert Locknuts, 120PK

Zoro # G622844782
Mfr # X1E-FAS-NUT-LOC-1114x120
product price:  $42.39
/pk 120, $0.35/ea
Pflitsch Lock Nut, M32-1.50, Nickel Plated Brass, Nickel GMM232/7PA
Pflitsch

Lock Nut, M32-1.50, Nickel Plated Brass, Nickel

Zoro # G7896543
Mfr # GMM232/7PA
product price:  $3.55
/ea
Sold in mult. of 3 for $10.65
Zoro Select Nylon Insert Lock Nut, M16-2.00, Steel, Class 8, Zinc Plated, 18 mm Ht, 50 PK M12600.160.0001
Zoro Select

Nylon Insert Lock Nut, M16-2.00, Steel, Class 8, Zinc Plated, 18 mm Ht, 50 PK

Zoro # G1941320
Mfr # M12600.160.0001
product price:  $25.99
/pk 50, $0.52/ea
X1 Tools 3/8-24 Ultra Hi Performance Grade 8 Steel Nylon-Insert Locknuts, 50PK X1E-FAS-NUT-LOC-1420x50
X1 Tools

3/8-24 Ultra Hi Performance Grade 8 Steel Nylon-Insert Locknuts, 50PK

Zoro # G422860784
Mfr # X1E-FAS-NUT-LOC-1420x50
product price:  $31.99
/pk 50, $0.64/ea
X1 Tools 10-24 Performance Zinc-Plated Steel Thin-Profile Nylon-Insert Locknuts, 15PK X1E-FAS-NUT-LOC-3420x15
X1 Tools

10-24 Performance Zinc-Plated Steel Thin-Profile Nylon-Insert Locknuts, 15PK

Zoro # G022866131
Mfr # X1E-FAS-NUT-LOC-3420x15
product price:  $2.69
/pk 15, $0.18/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
X1 Tools 7/16-20 UHP Yellow Zinc Plated Grade 8 Steel Thin-Profile Nylon-Insert Locknuts, 20PK X1E-FAS-NUT-LOC-3024x20
X1 Tools

7/16-20 UHP Yellow Zinc Plated Grade 8 Steel Thin-Profile Nylon-Insert Locknuts, 20PK

Zoro # G122866444
Mfr # X1E-FAS-NUT-LOC-3024x20
product price:  $22.19
/pk 20, $1.11/ea
Midwest Fastener Nylon Insert Lock Nut, 3/8"-16, 18-8 Stainless Steel, Not Graded, 50 PK 05291
Midwest Fastener

Nylon Insert Lock Nut, 3/8"-16, 18-8 Stainless Steel, Not Graded, 50 PK

Zoro # G902526780
Mfr # 05291
product price:  $21.29
/pk 50, $0.43/ea
Zoro Select External Tooth Lock Washer Lock Nut, 5/16"-18, 18-8 Stainless Steel, Not Graded, Plain, 21/64 in Ht KEPIX031-025P
Zoro Select

External Tooth Lock Washer Lock Nut, 5/16"-18, 18-8 Stainless Steel, Not Graded, Plain, 21/64 in Ht

Zoro # G0467476
Mfr # KEPIX031-025P
product price:  $5.69
/pk 25, $0.23/ea
Zoro Select Top Lock Distorted Thread Lock Nut, 3/4"-16, Steel, Grade C, Yellow Zinc, 13/16 in Ht, 10 PK U12960.075.0002
Zoro Select

Top Lock Distorted Thread Lock Nut, 3/4"-16, Steel, Grade C, Yellow Zinc, 13/16 in Ht, 10 PK

Zoro # G5717171
Mfr # U12960.075.0002
product price:  $9.65
/pk 10, $0.97/ea
Plumb Pak Faucet Locknut and Rosette Universal Gray Zinc 2 pc PP800-88
Plumb Pak

Faucet Locknut and Rosette Universal Gray Zinc 2 pc

Zoro # G3251907
Mfr # PP800-88
product price:  $7.55
/ea
Balboa BB50086 Union Split Nut without Screws BB50086
Balboa

BB50086 Union Split Nut without Screws

Zoro # G603983035
Mfr # BB50086
product price:  $26.55
/ea
X1 Tools 3/4-10 Performance Zinc-Plated Steel Thin-Profile Nylon-Insert Locknuts, 200PK X1E-FAS-NUT-LOC-3454x200
X1 Tools

3/4-10 Performance Zinc-Plated Steel Thin-Profile Nylon-Insert Locknuts, 200PK

Zoro # G222853542
Mfr # X1E-FAS-NUT-LOC-3454x200
product price:  $365.99
/pk 200, $1.83/ea
X1 Tools M18 x 2.5 mm Performance Zinc-Plated Steel Thin-Profile Nylon-Insert Locknuts, 4PK X1E-FAS-NUT-LOC-3494x4
X1 Tools

M18 x 2.5 mm Performance Zinc-Plated Steel Thin-Profile Nylon-Insert Locknuts, 4PK

Zoro # G222850466
Mfr # X1E-FAS-NUT-LOC-3494x4
product price:  $70.25
/pk 4, $17.56/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
Titan Industrial Supply Lock Nut, M12-1.75, Nylon TM12NLNZ88
Titan Industrial Supply

Lock Nut, M12-1.75, Nylon

Zoro # G709152830
Mfr # TM12NLNZ88
product price:  $0.45
/ea
Sold in mult. of 19 for $8.55
Arc Abrasives Locking Nut, 5/8-11, 1-1/2 Flang 50418Z1
Arc Abrasives

Locking Nut, 5/8-11, 1-1/2 Flang

Zoro # G3126247
Mfr # 50418Z1
product price:  $13.15
/ea
Suburban Bolt And Supply Lock Nut, M12, Steel, Class 10, Plain A44201200NECL10
Suburban Bolt And Supply

Lock Nut, M12, Steel, Class 10, Plain

Zoro # G403504782
Mfr # A44201200NECL10
product price:  $0.55
/ea
Sold in mult. of 50 for $27.50
Zoro Select Nylon Insert Lock Nut, 1-1/4"-12, Steel, Grade 2, Zinc Plated, 1 7/16 in Ht, 5 PK U12380.125.0002
Zoro Select

Nylon Insert Lock Nut, 1-1/4"-12, Steel, Grade 2, Zinc Plated, 1 7/16 in Ht, 5 PK

Zoro # G9459703
Mfr # U12380.125.0002
product price:  $14.49
/pk 5, $2.90/ea
Boltsandnuts.Com Top Lock Lock Nut, 1/4"-20, Grade 8, Zinc Plated, 100 PK 25CPTNCZ-100
Boltsandnuts.Com

Top Lock Lock Nut, 1/4"-20, Grade 8, Zinc Plated, 100 PK

Zoro # G714449055
Mfr # 25CPTNCZ-100
product price:  $16.69
/pk 100, $0.17/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
X1 Tools M16 x 2 mm Performance Zinc-Plated Steel Thin-Profile Nylon-Insert Locknuts, 4PK X1E-FAS-NUT-LOC-3492x4
X1 Tools

M16 x 2 mm Performance Zinc-Plated Steel Thin-Profile Nylon-Insert Locknuts, 4PK

Zoro # G622845161
Mfr # X1E-FAS-NUT-LOC-3492x4
product price:  $35.65
/pk 4, $8.91/ea
Foreverbolt Serrated Lock Nut, 5/16"-18, 316 Stainless Steel, Not Graded, NL-19, 9/32 in Ht, 25 PK FB3FHN51618P25
Foreverbolt

Serrated Lock Nut, 5/16"-18, 316 Stainless Steel, Not Graded, NL-19, 9/32 in Ht, 25 PK

Zoro # G8480486
Mfr # FB3FHN51618P25
product price:  $25.99
/pk 25, $1.04/ea
Lock Nuts (10,000+ items) - Page 5
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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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