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  7. Lock Nuts

Lock Nuts (10,000+ items) - Page 12

X1 Tools 1/4-20 Performance Zinc-Plated Steel Thin-Profile Nylon-Insert Locknuts, 4PK X1E-FAS-NUT-LOC-3426x4
X1 Tools

1/4-20 Performance Zinc-Plated Steel Thin-Profile Nylon-Insert Locknuts, 4PK

Zoro # G722860675
Mfr # X1E-FAS-NUT-LOC-3426x4
product price:  $1.15
/pk 4, $0.29/ea
Suburban Bolt And Supply Lock Nut, M16, Steel, Zinc Plated A442016000JZ
Suburban Bolt And Supply

Lock Nut, M16, Steel, Zinc Plated

Zoro # G903501809
Mfr # A442016000JZ
product price:  $0.96
/ea
Sold in mult. of 50 for $48.00
Boltsandnuts.Com Top Lock Lock Nut, M16-1.5, Class 10, Zinc Plated, 30 PK M16FPTN10Z-30
Boltsandnuts.Com

Top Lock Lock Nut, M16-1.5, Class 10, Zinc Plated, 30 PK

Zoro # G514494217
Mfr # M16FPTN10Z-30
product price:  $37.99
/pk 30, $1.27/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
Boltsandnuts.Com Reversible Lock Nut, 3/4"-16, Steel, Zinc Plated, 5 PK 75F2WHN2Z-5
Boltsandnuts.Com

Reversible Lock Nut, 3/4"-16, Steel, Zinc Plated, 5 PK

Zoro # G614486297
Mfr # 75F2WHN2Z-5
product price:  $13.65
/pk 5, $2.73/ea
X1 Tools M6 x 1 mm Performance Zinc-Plated Steel Nylon-Insert Locknuts, 50PK X1E-FAS-NUT-LOC-1976x50
X1 Tools

M6 x 1 mm Performance Zinc-Plated Steel Nylon-Insert Locknuts, 50PK

Zoro # G622853920
Mfr # X1E-FAS-NUT-LOC-1976x50
product price:  $15.39
/pk 50, $0.31/ea
Boltsandnuts.Com External Tooth Lock Washer Lock Nut, 5/16"-24, Grade 2, Zinc Plated, 85 PK 31FNKE2Z-85
Boltsandnuts.Com

External Tooth Lock Washer Lock Nut, 5/16"-24, Grade 2, Zinc Plated, 85 PK

Zoro # G814449382
Mfr # 31FNKE2Z-85
product price:  $27.19
/pk 85, $0.32/ea
X1 Tools M5 x 0.8 mm Performance Zinc-Plated Steel Nylon-Insert Locknuts, 120PK X1E-FAS-NUT-LOC-1974x120
X1 Tools

M5 x 0.8 mm Performance Zinc-Plated Steel Nylon-Insert Locknuts, 120PK

Zoro # G322850885
Mfr # X1E-FAS-NUT-LOC-1974x120
product price:  $22.85
/pk 120, $0.19/ea
X1 Tools M3 x 0.5 mm Hi-Performance Zinc-Plated Steel Nylon-Insert Locknuts, 10PK X1E-FAS-NUT-LOC-1635x10
X1 Tools

M3 x 0.5 mm Hi-Performance Zinc-Plated Steel Nylon-Insert Locknuts, 10PK

Zoro # G122864785
Mfr # X1E-FAS-NUT-LOC-1635x10
product price:  $1.85
/pk 10, $0.19/ea
Huyett Nylon Insert Lock Nut, 5/8-11, Low Carbon Steel, Zinc Clear Trivalent, 0.75 in Ht NUTH59-0625-0750LC3
Huyett

Nylon Insert Lock Nut, 5/8-11, Low Carbon Steel, Zinc Clear Trivalent, 0.75 in Ht

Zoro # G213331073
Mfr # NUTH59-0625-0750LC3
product price:  $0.35
/ea
Sold in mult. of 49 for $17.15
Boltsandnuts.Com Nylon Insert Lock Nut, M14-1.5, Class 10, Zinc Plated, 100 PK M14FHNN10Z-100
Boltsandnuts.Com

Nylon Insert Lock Nut, M14-1.5, Class 10, Zinc Plated, 100 PK

Zoro # G314495094
Mfr # M14FHNN10Z-100
product price:  $80.29
/pk 100, $0.80/ea
Midwest Fastener Nylon Insert Lock Nut, M8-1.25, A2 Stainless Steel, Not Graded, 8 PK 69604
Midwest Fastener

Nylon Insert Lock Nut, M8-1.25, A2 Stainless Steel, Not Graded, 8 PK

Zoro # G602526912
Mfr # 69604
product price:  $7.75
/pk 8, $0.97/ea
Sold in mult. of 2 for $15.50
Newport Fasteners Nylon Insert Lock Nut, 3/8"-16, Steel, Zinc Plated, 100 PK NB305281P-100
Newport Fasteners

Nylon Insert Lock Nut, 3/8"-16, Steel, Zinc Plated, 100 PK

Zoro # G706331573
Mfr # NB305281P-100
product price:  $44.55
/pk 100, $0.45/ea
X1 Tools 7/16-14 Corrosion-Resistant 316 Stainless Steel Nylon-Insert Locknuts, 25PK X1E-FAS-NUT-LOC-2336x25
X1 Tools

7/16-14 Corrosion-Resistant 316 Stainless Steel Nylon-Insert Locknuts, 25PK

Zoro # G022861129
Mfr # X1E-FAS-NUT-LOC-2336x25
product price:  $38.95
/pk 25, $1.56/ea
Msi Products 1-1/4in INDUSTRIAL 150lb Galvanized Malleable Iron Locknut A2240620
Msi Products

1-1/4in INDUSTRIAL 150lb Galvanized Malleable Iron Locknut

Zoro # G015327298
Mfr # A2240620
product price:  $4.15
/ea
Sold in mult. of 3 for $12.45
Newport Fasteners Nylon Insert Lock Nut, 3/8"-16, Steel, Grade A, Zinc Plated, 100 PK 816717-PR-100
Newport Fasteners

Nylon Insert Lock Nut, 3/8"-16, Steel, Grade A, Zinc Plated, 100 PK

Zoro # G206331608
Mfr # 816717-PR-100
product price:  $42.55
/pk 100, $0.43/ea
Boltsandnuts.Com Reversible Lock Nut, 1/2"-13, Steel, Zinc Plated, 25 PK 50C2WHN2Z-25
Boltsandnuts.Com

Reversible Lock Nut, 1/2"-13, Steel, Zinc Plated, 25 PK

Zoro # G114455588
Mfr # 50C2WHN2Z-25
product price:  $12.49
/pk 25, $0.50/ea
X1 Tools 1/4-20 Ultra Hi Performance Black-Oxide Steel Nylon-Insert Locknuts, 120PK X1E-FAS-NUT-LOC-1210x120
X1 Tools

1/4-20 Ultra Hi Performance Black-Oxide Steel Nylon-Insert Locknuts, 120PK

Zoro # G022845891
Mfr # X1E-FAS-NUT-LOC-1210x120
product price:  $61.15
/pk 120, $0.51/ea
Midwest Fastener Nylon Insert Lock Nut, 7/16"-14, 18-8 Stainless Steel, Not Graded, 8 PK 78987
Midwest Fastener

Nylon Insert Lock Nut, 7/16"-14, 18-8 Stainless Steel, Not Graded, 8 PK

Zoro # G502526791
Mfr # 78987
product price:  $8.19
/pk 8, $1.02/ea
Wiska Lock Nut, M16-1.50, Nickel Plated Brass, Nickel 10063211
Wiska

Lock Nut, M16-1.50, Nickel Plated Brass, Nickel

Zoro # G7903385
Mfr # 10063211
product price:  $1.59
/ea
Sold in mult. of 5 for $7.95
Boltsandnuts.Com Serrated Lock Nut, 5/8"-11, Steel, Zinc Plated, 75 PK 62CSLN2Z-75
Boltsandnuts.Com

Serrated Lock Nut, 5/8"-11, Steel, Zinc Plated, 75 PK

Zoro # G714502378
Mfr # 62CSLN2Z-75
product price:  $66.35
/pk 75, $0.88/ea
X1 Tools M6 x 1 mm Performance Zinc-Plated Steel Nylon-Insert Locknuts, 20PK X1E-FAS-NUT-LOC-1976x20
X1 Tools

M6 x 1 mm Performance Zinc-Plated Steel Nylon-Insert Locknuts, 20PK

Zoro # G022852721
Mfr # X1E-FAS-NUT-LOC-1976x20
product price:  $4.65
/pk 20, $0.23/ea
X1 Tools 9/16-18 Performance Zinc-Plated Steel Nylon-Insert Locknuts, 20PK X1E-FAS-NUT-LOC-1950x20
X1 Tools

9/16-18 Performance Zinc-Plated Steel Nylon-Insert Locknuts, 20PK

Zoro # G722860620
Mfr # X1E-FAS-NUT-LOC-1950x20
product price:  $27.55
/pk 20, $1.38/ea
Midwest Fastener Nylon Insert Lock Nut, M8-1.25, A2 Stainless Steel, Not Graded, 8 PK 75664
Midwest Fastener

Nylon Insert Lock Nut, M8-1.25, A2 Stainless Steel, Not Graded, 8 PK

Zoro # G702526836
Mfr # 75664
product price:  $6.15
/pk 8, $0.77/ea
Sold in mult. of 2 for $12.30
X1 Tools 1/4-20 UHP Yellow Zinc Plated Grade 8 Steel Thin-Profile Nylon-Insert Locknuts X1E-FAS-NUT-LOC-3010x1
X1 Tools

1/4-20 UHP Yellow Zinc Plated Grade 8 Steel Thin-Profile Nylon-Insert Locknuts

Zoro # G022851663
Mfr # X1E-FAS-NUT-LOC-3010x1
product price:  $0.74
/ea
Newport Fasteners Nylon Insert Lock Nut, M18-2.50, Steel, Class 8, Zinc Plated, 25 PK 660504-PR-25
Newport Fasteners

Nylon Insert Lock Nut, M18-2.50, Steel, Class 8, Zinc Plated, 25 PK

Zoro # G006329515
Mfr # 660504-PR-25
product price:  $101.99
/pk 25, $4.08/ea
Boltsandnuts.Com Nylon Insert Lock Nut, M6-1.0, 18-8 Stainless Steel, Plain, 75 PK M6CNFNA2-75
Boltsandnuts.Com

Nylon Insert Lock Nut, M6-1.0, 18-8 Stainless Steel, Plain, 75 PK

Zoro # G814505774
Mfr # M6CNFNA2-75
product price:  $43.25
/pk 75, $0.58/ea
X1 Tools 3/8-16 UHP Yellow Zinc Plated Grade 8 Steel Thin-Profile Nylon-Insert Locknuts, 8PK X1E-FAS-NUT-LOC-3018x8
X1 Tools

3/8-16 UHP Yellow Zinc Plated Grade 8 Steel Thin-Profile Nylon-Insert Locknuts, 8PK

Zoro # G222854655
Mfr # X1E-FAS-NUT-LOC-3018x8
product price:  $4.55
/pk 8, $0.57/ea
Zoro Select Lock Nut, 1/2"-13, Nylon, Yellow Zinc, 0.464 in Ht, 800 PK 50NSTY
Zoro Select

Lock Nut, 1/2"-13, Nylon, Yellow Zinc, 0.464 in Ht, 800 PK

Zoro # G2451782
Mfr # 50NSTY
product price:  $225.99
/pk 800, $0.28/ea
X1 Tools 5-40 Performance Zinc-Plated Steel Thin-Profile Nylon-Insert Locknuts, 6PK X1E-FAS-NUT-LOC-3414x6
X1 Tools

5-40 Performance Zinc-Plated Steel Thin-Profile Nylon-Insert Locknuts, 6PK

Zoro # G122859927
Mfr # X1E-FAS-NUT-LOC-3414x6
product price:  $1.45
/pk 6, $0.24/ea
Huyett Nylon Insert Lock Nut, 1/4-20, Low Carbon Steel, Zinc Clear Trivalent, 0.312 in Ht NUTH59-0250-0312LC3
Huyett

Nylon Insert Lock Nut, 1/4-20, Low Carbon Steel, Zinc Clear Trivalent, 0.312 in Ht

Zoro # G313330839
Mfr # NUTH59-0250-0312LC3
product price:  $0.04
/ea
Sold in mult. of 496 for $19.84
Durastar Nylon Insert Lock Nut, 1/2"-13, Stainless Steel, 5/16 in Ht SNT0805N
Durastar

Nylon Insert Lock Nut, 1/2"-13, Stainless Steel, 5/16 in Ht

Zoro # G3723722
Mfr # SNT0805N
product price:  $2.15
/ea
Sold in mult. of 25 for $53.75
X1 Tools 3/8-16 Hi-Performance Zinc-Plated Steel Nylon-Insert Locknuts, 100PK X1E-FAS-NUT-LOC-1614x100
X1 Tools

3/8-16 Hi-Performance Zinc-Plated Steel Nylon-Insert Locknuts, 100PK

Zoro # G022848328
Mfr # X1E-FAS-NUT-LOC-1614x100
product price:  $36.79
/pk 100, $0.37/ea
Boltsandnuts.Com Top Lock Lock Nut, 5/8"-18, Grade 8, Zinc Yellow, 350 PK 62FNHFGY-350
Boltsandnuts.Com

Top Lock Lock Nut, 5/8"-18, Grade 8, Zinc Yellow, 350 PK

Zoro # G714486784
Mfr # 62FNHFGY-350
product price:  $420.99
/pk 350, $1.20/ea
Boltsandnuts.Com Serrated Lock Nut, 3/4"-10, Steel, Zinc Plated, 275 PK 75CSLN2Z-275
Boltsandnuts.Com

Serrated Lock Nut, 3/4"-10, Steel, Zinc Plated, 275 PK

Zoro # G514503612
Mfr # 75CSLN2Z-275
product price:  $320.99
/pk 275, $1.17/ea
X1 Tools 1/2-20 Hi-Performance Zinc-Plated Steel Nylon-Insert Locknuts, 25PK X1E-FAS-NUT-LOC-1619x25
X1 Tools

1/2-20 Hi-Performance Zinc-Plated Steel Nylon-Insert Locknuts, 25PK

Zoro # G622866135
Mfr # X1E-FAS-NUT-LOC-1619x25
product price:  $25.29
/pk 25, $1.01/ea
Lock Nuts (10,000+ items) - Page 12
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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
1/4-20 stainless steel nut5/16-18 stainless steel boltnylon insert flange nutdistorted thread lock nut5/8-18 flange nut
flanged locknutlock nut 5/16-18nylon-insert locknutslock nut nylon insert3/8-16 nuts stainless steel

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