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  7. Lock Nuts

Lock Nuts (10,000+ items) - Page 209

X1 Tools 5/16-18 Ultra H.P. Yellow Zinc Plated Grade 8 Steel Nylon-Insert Locknuts, 8PK X1E-FAS-NUT-LOC-1014x8
X1 Tools

5/16-18 Ultra H.P. Yellow Zinc Plated Grade 8 Steel Nylon-Insert Locknuts, 8PK

Zoro # G922844437
Mfr # X1E-FAS-NUT-LOC-1014x8
product price:  $10.49
/pk 8, $1.31/ea
Sold in mult. of 2 for $20.98
X1 Tools 1/2-20 Corrosion-Resistant 316 Stainless Steel Thin-Profile Nylon-Insert Locknuts, 100PK X1E-FAS-NUT-LOC-3932x100
X1 Tools

1/2-20 Corrosion-Resistant 316 Stainless Steel Thin-Profile Nylon-Insert Locknuts, 100PK

Zoro # G122854335
Mfr # X1E-FAS-NUT-LOC-3932x100
product price:  $271.99
/pk 100, $2.72/ea
X1 Tools 7/8-14 Corrosion-Resistant 18-8 Stainless Steel Thin-Profile Nylon-Insert Locknuts X1E-FAS-NUT-LOC-3752x1
X1 Tools

7/8-14 Corrosion-Resistant 18-8 Stainless Steel Thin-Profile Nylon-Insert Locknuts

Zoro # G722856418
Mfr # X1E-FAS-NUT-LOC-3752x1
product price:  $43.15
/ea
X1 Tools 5/8-18 UHP Black-Oxide Grade 8 Steel Thin-Profile Nylon-Insert Locknuts, 100PK X1E-FAS-NUT-LOC-3230x100
X1 Tools

5/8-18 UHP Black-Oxide Grade 8 Steel Thin-Profile Nylon-Insert Locknuts, 100PK

Zoro # G322867524
Mfr # X1E-FAS-NUT-LOC-3230x100
product price:  $430.99
/pk 100, $4.31/ea
X1 Tools 5/16-18 Performance Black-Corrosion-Resistant-Coated Steel Nylon-Ins. Locknuts, 6PK X1E-FAS-NUT-LOC-2020x6
X1 Tools

5/16-18 Performance Black-Corrosion-Resistant-Coated Steel Nylon-Ins. Locknuts, 6PK

Zoro # G422864775
Mfr # X1E-FAS-NUT-LOC-2020x6
product price:  $31.55
/pk 6, $5.26/ea
X1 Tools 8-32 Corrosion-Resistant 18-8 Stainless Steel Nylon-Insert Locknuts, 2PK X1E-FAS-NUT-LOC-2119x2
X1 Tools

8-32 Corrosion-Resistant 18-8 Stainless Steel Nylon-Insert Locknuts, 2PK

Zoro # G622859069
Mfr # X1E-FAS-NUT-LOC-2119x2
product price:  $0.84
/pk 2, $0.42/ea
Sold in mult. of 11 for $9.24
X1 Tools 1/2-13 Black-Oxide C.R. 18-8 Stainless Steel Nylon-Insert Locknuts, 25PK X1E-FAS-NUT-LOC-2248x25
X1 Tools

1/2-13 Black-Oxide C.R. 18-8 Stainless Steel Nylon-Insert Locknuts, 25PK

Zoro # G722848819
Mfr # X1E-FAS-NUT-LOC-2248x25
product price:  $80.19
/pk 25, $3.21/ea
X1 Tools 1 1/4-7 Performance Zinc-Plated Steel Nylon-Insert Locknuts, 2PK X1E-FAS-NUT-LOC-1970x2
X1 Tools

1 1/4-7 Performance Zinc-Plated Steel Nylon-Insert Locknuts, 2PK

Zoro # G022844986
Mfr # X1E-FAS-NUT-LOC-1970x2
product price:  $40.89
/pk 2, $20.45/ea
X1 Tools 7/16-20 Ultra H.P. Yellow Zinc Plated Grade 8 Steel Nylon-Insert Locknuts, 20PK X1E-FAS-NUT-LOC-1024x20
X1 Tools

7/16-20 Ultra H.P. Yellow Zinc Plated Grade 8 Steel Nylon-Insert Locknuts, 20PK

Zoro # G222845363
Mfr # X1E-FAS-NUT-LOC-1024x20
product price:  $28.55
/pk 20, $1.43/ea
Standard Locknut Bearing Lock Nut, Steel N10
Standard Locknut

Bearing Lock Nut, Steel

Zoro # G122964263
Mfr # N10
product price:  $6.99
/ea
X1 Tools M16 x 2 mm Performance Zinc-Plated Steel Thin-Profile Nylon-Insert Locknuts, 75PK X1E-FAS-NUT-LOC-3492x75
X1 Tools

M16 x 2 mm Performance Zinc-Plated Steel Thin-Profile Nylon-Insert Locknuts, 75PK

Zoro # G622851209
Mfr # X1E-FAS-NUT-LOC-3492x75
product price:  $528.99
/pk 75, $7.05/ea
X1 Tools 1 1/4-7 Hi Performance Zinc-Plated Steel Thin-Profile Nylon-Insert Locknuts, 75PK X1E-FAS-NUT-LOC-3326x75
X1 Tools

1 1/4-7 Hi Performance Zinc-Plated Steel Thin-Profile Nylon-Insert Locknuts, 75PK

Zoro # G622857980
Mfr # X1E-FAS-NUT-LOC-3326x75
product price:  $3,858.99
/pk 75, $51.45/ea
X1 Tools 1 1/4-7 Corrosion-Resistant 18-8 Stainless Steel Nylon-Insert Locknuts, 120PK X1E-FAS-NUT-LOC-2147x120
X1 Tools

1 1/4-7 Corrosion-Resistant 18-8 Stainless Steel Nylon-Insert Locknuts, 120PK

Zoro # G022860955
Mfr # X1E-FAS-NUT-LOC-2147x120
product price:  $4,441.99
/pk 120, $37.02/ea
X1 Tools 1 1/4-7 Performance Zinc-Plated Steel Nylon-Insert Locknuts, 6PK X1E-FAS-NUT-LOC-1970x6
X1 Tools

1 1/4-7 Performance Zinc-Plated Steel Nylon-Insert Locknuts, 6PK

Zoro # G022852264
Mfr # X1E-FAS-NUT-LOC-1970x6
product price:  $108.99
/pk 6, $18.17/ea
Oxoxo 1/2-20 N1610 Nylon Insert Hex Locknut NE Hex Standard Height Grade 8 Zinc Yellow, 100PK 277978
Oxoxo

1/2-20 N1610 Nylon Insert Hex Locknut NE Hex Standard Height Grade 8 Zinc Yellow, 100PK

Zoro # G322677666
Mfr # 277978
product price:  $60.25
/pk 100, $0.60/ea
Newport Fasteners Nylon Insert Lock Nut, 1-1/8"-7, Steel, Grade A, Yellow Zinc, 100 PK 206239-BR-100
Newport Fasteners

Nylon Insert Lock Nut, 1-1/8"-7, Steel, Grade A, Yellow Zinc, 100 PK

Zoro # G006328013
Mfr # 206239-BR-100
product price:  $818.99
/pk 100, $8.19/ea
X1 Tools 5/8-18 Performance Zinc-Plated Steel Nylon-Insert Locknuts, 100PK X1E-FAS-NUT-LOC-1954x100
X1 Tools

5/8-18 Performance Zinc-Plated Steel Nylon-Insert Locknuts, 100PK

Zoro # G522857325
Mfr # X1E-FAS-NUT-LOC-1954x100
product price:  $125.99
/pk 100, $1.26/ea
Msi Products 1-1/2in INDUSTRIAL 150lb 304 Stainless Steel Locknut A3040624
Msi Products

1-1/2in INDUSTRIAL 150lb 304 Stainless Steel Locknut

Zoro # G515321864
Mfr # A3040624
product price:  $20.49
/ea
Oxoxo 7/8-9 Flex Type Hex Lock Nut Full Height Heavy Hex Cadmium and Wax, 25PK 534204
Oxoxo

7/8-9 Flex Type Hex Lock Nut Full Height Heavy Hex Cadmium and Wax, 25PK

Zoro # G222675809
Mfr # 534204
product price:  $218.99
/pk 25, $8.76/ea
X1 Tools 7/16-14 Corrosion-Resistant 18-8 Stainless Steel Nylon-Insert Locknuts, 2PK X1E-FAS-NUT-LOC-2131x2
X1 Tools

7/16-14 Corrosion-Resistant 18-8 Stainless Steel Nylon-Insert Locknuts, 2PK

Zoro # G822850668
Mfr # X1E-FAS-NUT-LOC-2131x2
product price:  $2.49
/pk 2, $1.25/ea
Sold in mult. of 4 for $9.96
X1 Tools 4-40 Corrosion-Resistant 18-8 Stainless Steel Thin-Profile Nylon-Insert Locknuts, 2PK X1E-FAS-NUT-LOC-3710x2
X1 Tools

4-40 Corrosion-Resistant 18-8 Stainless Steel Thin-Profile Nylon-Insert Locknuts, 2PK

Zoro # G022848656
Mfr # X1E-FAS-NUT-LOC-3710x2
product price:  $1.15
/pk 2, $0.58/ea
Sold in mult. of 9 for $10.35
X1 Tools 3/8-24 Corrosion-Resistant 316 Stainless Steel Nylon-Insert Locknuts, 6PK X1E-FAS-NUT-LOC-2334x6
X1 Tools

3/8-24 Corrosion-Resistant 316 Stainless Steel Nylon-Insert Locknuts, 6PK

Zoro # G022849424
Mfr # X1E-FAS-NUT-LOC-2334x6
product price:  $11.15
/pk 6, $1.86/ea
Sold in mult. of 2 for $22.30
X1 Tools 10-32 Performance Black-Corrosion-Resistant-Coated Steel Thin-Profile Nylon-Insert Locknuts, 150PK X1E-FAS-NUT-LOC-3616x150
X1 Tools

10-32 Performance Black-Corrosion-Resistant-Coated Steel Thin-Profile Nylon-Insert Locknuts, 150PK

Zoro # G522848088
Mfr # X1E-FAS-NUT-LOC-3616x150
product price:  $593.99
/pk 150, $3.96/ea
X1 Tools M20 x 2.5 mm Performance Zinc-Plated Steel Thin-Profile Nylon-Insert Locknuts, 6PK X1E-FAS-NUT-LOC-3496x6
X1 Tools

M20 x 2.5 mm Performance Zinc-Plated Steel Thin-Profile Nylon-Insert Locknuts, 6PK

Zoro # G122858517
Mfr # X1E-FAS-NUT-LOC-3496x6
product price:  $94.35
/pk 6, $15.73/ea
X1 Tools 7/16-14 UHP Yellow Zinc Plated Grade 8 Steel Thin-Profile Nylon-Insert Locknuts, 75PK X1E-FAS-NUT-LOC-3022x75
X1 Tools

7/16-14 UHP Yellow Zinc Plated Grade 8 Steel Thin-Profile Nylon-Insert Locknuts, 75PK

Zoro # G622863820
Mfr # X1E-FAS-NUT-LOC-3022x75
product price:  $70.45
/pk 75, $0.94/ea
X1 Tools 5/16-24 Corrosion-Resistant 18-8 Stainless Steel Nylon-Insert Locknuts, 1000PK X1E-FAS-NUT-LOC-2128x1000
X1 Tools

5/16-24 Corrosion-Resistant 18-8 Stainless Steel Nylon-Insert Locknuts, 1000PK

Zoro # G522856762
Mfr # X1E-FAS-NUT-LOC-2128x1000
product price:  $363.99
/pk 1000, $0.36/ea
X1 Tools 1/2-20 UHP Yellow Zinc Plated Grade 8 Steel Thin-Profile Nylon-Insert Locknuts, 400PK X1E-FAS-NUT-LOC-3028x400
X1 Tools

1/2-20 UHP Yellow Zinc Plated Grade 8 Steel Thin-Profile Nylon-Insert Locknuts, 400PK

Zoro # G822863200
Mfr # X1E-FAS-NUT-LOC-3028x400
product price:  $1,009.99
/pk 400, $2.52/ea
X1 Tools 3/8-16 Ultra Hi Performance Black-Oxide Steel Nylon-Insert Locknuts, 4PK X1E-FAS-NUT-LOC-1218x4
X1 Tools

3/8-16 Ultra Hi Performance Black-Oxide Steel Nylon-Insert Locknuts, 4PK

Zoro # G522850548
Mfr # X1E-FAS-NUT-LOC-1218x4
product price:  $4.55
/pk 4, $1.14/ea
Sold in mult. of 2 for $9.10
X1 Tools 1/4-20 UHP Yellow Zinc Plated Grade 8 Steel Thin-Profile Nylon-Insert Locknuts, 75PK X1E-FAS-NUT-LOC-3010x75
X1 Tools

1/4-20 UHP Yellow Zinc Plated Grade 8 Steel Thin-Profile Nylon-Insert Locknuts, 75PK

Zoro # G022861266
Mfr # X1E-FAS-NUT-LOC-3010x75
product price:  $20.79
/pk 75, $0.28/ea
X1 Tools 10-32 Performance Black-Corrosion-Resistant-Coated Steel Thin-Profile Nylon-Insert Locknuts, 10PK X1E-FAS-NUT-LOC-3616x10
X1 Tools

10-32 Performance Black-Corrosion-Resistant-Coated Steel Thin-Profile Nylon-Insert Locknuts, 10PK

Zoro # G122855820
Mfr # X1E-FAS-NUT-LOC-3616x10
product price:  $47.49
/pk 10, $4.75/ea
X1 Tools 5/8-11 Hi Performance Zinc-Plated Steel Thin-Profile Nylon-Insert Locknuts, 100PK X1E-FAS-NUT-LOC-3310x100
X1 Tools

5/8-11 Hi Performance Zinc-Plated Steel Thin-Profile Nylon-Insert Locknuts, 100PK

Zoro # G522852894
Mfr # X1E-FAS-NUT-LOC-3310x100
product price:  $548.99
/pk 100, $5.49/ea
X1 Tools 7/16-14 Ultra H.P. Yellow Zinc Plated Grade 8 Steel Nylon-Insert Locknuts, 120PK X1E-FAS-NUT-LOC-1022x120
X1 Tools

7/16-14 Ultra H.P. Yellow Zinc Plated Grade 8 Steel Nylon-Insert Locknuts, 120PK

Zoro # G722845344
Mfr # X1E-FAS-NUT-LOC-1022x120
product price:  $136.99
/pk 120, $1.14/ea
Oxoxo 5/16-24 Stover Alternative Automation Style Lock Nut Grade C Cad And Wax, 1000PK 183606
Oxoxo

5/16-24 Stover Alternative Automation Style Lock Nut Grade C Cad And Wax, 1000PK

Zoro # G122660677
Mfr # 183606
product price:  $193.99
/pk 1000, $0.19/ea
X1 Tools 5/16-18 Black-Oxide 18-8 Stainless Steel Thin-Profile Nylon-Insert Locknuts, 200PK X1E-FAS-NUT-LOC-3822x200
X1 Tools

5/16-18 Black-Oxide 18-8 Stainless Steel Thin-Profile Nylon-Insert Locknuts, 200PK

Zoro # G722854940
Mfr # X1E-FAS-NUT-LOC-3822x200
product price:  $166.99
/pk 200, $0.83/ea
X1 Tools 7/8-9 Performance Zinc-Plated Steel Thin-Profile Nylon-Insert Locknuts X1E-FAS-NUT-LOC-3458x1
X1 Tools

7/8-9 Performance Zinc-Plated Steel Thin-Profile Nylon-Insert Locknuts

Zoro # G722853295
Mfr # X1E-FAS-NUT-LOC-3458x1
product price:  $5.19
/ea
Sold in mult. of 2 for $10.38
Newport Fasteners Nylon Insert Lock Nut, 1-1/2"-6, Steel, Grade A, Zinc Plated, 10 PK 781053-PR-10
Newport Fasteners

Nylon Insert Lock Nut, 1-1/2"-6, Steel, Grade A, Zinc Plated, 10 PK

Zoro # G106331852
Mfr # 781053-PR-10
product price:  $460.99
/pk 10, $46.10/ea
Lock Nuts (10,000+ items) - Page 209
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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 nuts10mm nuts1/2" flange lock nut3/8-16 nuts stainless steelnylon insert hex nut
1/4" locking nutn-10 lock nutnylon-insert locknuts2 inch locknutlock nut 5/16-18

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