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  7. Lock Nuts

Lock Nuts (10,000+ items) - Page 193

Oxoxo 1/4-20 Serrated Flange Hex Lock Nuts Case Hardened HR15N 78/90 Zinc Yellow and Bake, 2000PK 414319
Oxoxo

1/4-20 Serrated Flange Hex Lock Nuts Case Hardened HR15N 78/90 Zinc Yellow and Bake, 2000PK

Zoro # G322680338
Mfr # 414319
product price: 
$200.99
/pk 2000, $0.10/ea
X1 Tools 10-32 Corrosion-Resistant 316 Stainless Steel Thin-Profile Nylon-Insert Locknuts, 2PK X1E-FAS-NUT-LOC-3912x2
X1 Tools

10-32 Corrosion-Resistant 316 Stainless Steel Thin-Profile Nylon-Insert Locknuts, 2PK

Zoro # G122861722
Mfr # X1E-FAS-NUT-LOC-3912x2
product price: 
$2.45
/pk 2, $1.23/ea
Sold in mult. of 4 for $9.80
X1 Tools 5/8-11 Corrosion-Resistant 18-8 Stainless Steel Thin-Profile Nylon-Insert Locknuts, 75PK X1E-FAS-NUT-LOC-3742x75
X1 Tools

5/8-11 Corrosion-Resistant 18-8 Stainless Steel Thin-Profile Nylon-Insert Locknuts, 75PK

Zoro # G422855612
Mfr # X1E-FAS-NUT-LOC-3742x75
product price: 
$409.99
/pk 75, $5.47/ea
X1 Tools 10-32 Black-Oxide Corrosion-Resistant 18-8 Stainless Steel Thin-Profile Nylon-Insert Locknuts, 200PK X1E-FAS-NUT-LOC-3818x200
X1 Tools

10-32 Black-Oxide Corrosion-Resistant 18-8 Stainless Steel Thin-Profile Nylon-Insert Locknuts, 200PK

Zoro # G122850573
Mfr # X1E-FAS-NUT-LOC-3818x200
product price: 
$109.99
/pk 200, $0.55/ea
X1 Tools 5/8-11 Ultra H.P. Yellow Zinc Plated Grade 8 Steel Nylon-Insert Locknuts X1E-FAS-NUT-LOC-1034x1
X1 Tools

5/8-11 Ultra H.P. Yellow Zinc Plated Grade 8 Steel Nylon-Insert Locknuts

Zoro # G222846797
Mfr # X1E-FAS-NUT-LOC-1034x1
product price: 
$4.25
/ea
Sold in mult. of 3 for $12.75
X1 Tools 8-32 Performance Black-Corrosion-Resistant-Coated Steel Thin-Profile Nylon-Insert Locknuts, 8PK X1E-FAS-NUT-LOC-3612x8
X1 Tools

8-32 Performance Black-Corrosion-Resistant-Coated Steel Thin-Profile Nylon-Insert Locknuts, 8PK

Zoro # G822859777
Mfr # X1E-FAS-NUT-LOC-3612x8
product price: 
$35.29
/pk 8, $4.41/ea
X1 Tools 7/16-20 Corrosion-Resistant 316 Stainless Steel Thin-Profile Nylon-Insert Locknuts, 400PK X1E-FAS-NUT-LOC-3928x400
X1 Tools

7/16-20 Corrosion-Resistant 316 Stainless Steel Thin-Profile Nylon-Insert Locknuts, 400PK

Zoro # G622857072
Mfr # X1E-FAS-NUT-LOC-3928x400
product price: 
$683.99
/pk 400, $1.71/ea
X1 Tools 1/2-20 Corrosion-Resistant 316 Stainless Steel Thin-Profile Nylon-Insert Locknuts, 500PK X1E-FAS-NUT-LOC-3932x500
X1 Tools

1/2-20 Corrosion-Resistant 316 Stainless Steel Thin-Profile Nylon-Insert Locknuts, 500PK

Zoro # G022856606
Mfr # X1E-FAS-NUT-LOC-3932x500
product price: 
$1,519.99
/pk 500, $3.04/ea
Newport Fasteners Nylon Insert Lock Nut, 3/8"-16, Steel, Grade A, Zinc Plated, 2500 PK 683192-BR-2500
Newport Fasteners

Nylon Insert Lock Nut, 3/8"-16, Steel, Grade A, Zinc Plated, 2500 PK

Zoro # G106329620
Mfr # 683192-BR-2500
product price: 
$337.99
/pk 2500, $0.14/ea
X1 Tools 1/4-20 UHP Black-Oxide Grade 8 Steel Thin-Profile Nylon-Insert Locknuts, 75PK X1E-FAS-NUT-LOC-3210x75
X1 Tools

1/4-20 UHP Black-Oxide Grade 8 Steel Thin-Profile Nylon-Insert Locknuts, 75PK

Zoro # G522847692
Mfr # X1E-FAS-NUT-LOC-3210x75
product price: 
$82.89
/pk 75, $1.11/ea
X1 Tools M12 x 1.75 mm Performance Zinc-Plated Steel Thin-Profile Nylon-Insert Locknuts, 250PK X1E-FAS-NUT-LOC-3488x250
X1 Tools

M12 x 1.75 mm Performance Zinc-Plated Steel Thin-Profile Nylon-Insert Locknuts, 250PK

Zoro # G022866124
Mfr # X1E-FAS-NUT-LOC-3488x250
product price: 
$649.99
/pk 250, $2.60/ea
Zoro Select Lock Nut, #10-32, 18-8 Stainless Steel, Not Graded, 250 PK 11NXL188
Zoro Select

Lock Nut, #10-32, 18-8 Stainless Steel, Not Graded, 250 PK

Zoro # G2454521
Mfr # 11NXL188
product price: 
$207.99
/pk 250, $0.83/ea
X1 Tools 1/4-20 Performance Black-Corrosion-Resistant-Coated Steel Nylon-Insert Locknuts X1E-FAS-NUT-LOC-2018x1
X1 Tools

1/4-20 Performance Black-Corrosion-Resistant-Coated Steel Nylon-Insert Locknuts

Zoro # G422860364
Mfr # X1E-FAS-NUT-LOC-2018x1
product price: 
$5.55
/ea
Sold in mult. of 2 for $11.10
X1 Tools 1-8 Performance Zinc-Plated Steel Nylon-Insert Locknuts, 10PK X1E-FAS-NUT-LOC-1964x10
X1 Tools

1-8 Performance Zinc-Plated Steel Nylon-Insert Locknuts, 10PK

Zoro # G722865816
Mfr # X1E-FAS-NUT-LOC-1964x10
product price: 
$64.99
/pk 10, $6.50/ea
X1 Tools 1/4-28 Corrosion-Resistant 18-8 Stainless Steel Thin-Profile Nylon-Insert Locknuts, 120PK X1E-FAS-NUT-LOC-3722x120
X1 Tools

1/4-28 Corrosion-Resistant 18-8 Stainless Steel Thin-Profile Nylon-Insert Locknuts, 120PK

Zoro # G822863781
Mfr # X1E-FAS-NUT-LOC-3722x120
product price: 
$40.99
/pk 120, $0.34/ea
X1 Tools 4-40 Performance Zinc-Plated Steel Thin-Profile Nylon-Insert Locknuts, 4PK X1E-FAS-NUT-LOC-3412x4
X1 Tools

4-40 Performance Zinc-Plated Steel Thin-Profile Nylon-Insert Locknuts, 4PK

Zoro # G022856279
Mfr # X1E-FAS-NUT-LOC-3412x4
product price: 
$1.49
/pk 4, $0.37/ea
Sold in mult. of 6 for $8.94
X1 Tools 5/16-24 UHP Yellow Zinc Plated Grade 8 Steel Thin-Profile Nylon-Insert Locknuts, 500PK X1E-FAS-NUT-LOC-3016x500
X1 Tools

5/16-24 UHP Yellow Zinc Plated Grade 8 Steel Thin-Profile Nylon-Insert Locknuts, 500PK

Zoro # G822859210
Mfr # X1E-FAS-NUT-LOC-3016x500
product price: 
$1,186.99
/pk 500, $2.37/ea
X1 Tools 5/8-11 Hi Performance Zinc-Plated Steel Thin-Profile Nylon-Insert Locknuts, 15PK X1E-FAS-NUT-LOC-3310x15
X1 Tools

5/8-11 Hi Performance Zinc-Plated Steel Thin-Profile Nylon-Insert Locknuts, 15PK

Zoro # G722857811
Mfr # X1E-FAS-NUT-LOC-3310x15
product price: 
$91.45
/pk 15, $6.10/ea
X1 Tools 5/8-18 Performance Zinc-Plated Steel Thin-Profile Nylon-Insert Locknuts, 400PK X1E-FAS-NUT-LOC-3452x400
X1 Tools

5/8-18 Performance Zinc-Plated Steel Thin-Profile Nylon-Insert Locknuts, 400PK

Zoro # G322846932
Mfr # X1E-FAS-NUT-LOC-3452x400
product price: 
$317.99
/pk 400, $0.79/ea
X1 Tools 3/4-16 Corrosion-Resistant 18-8 Stainless Steel Thin-Profile Nylon-Insert Locknuts, 400PK X1E-FAS-NUT-LOC-3748x400
X1 Tools

3/4-16 Corrosion-Resistant 18-8 Stainless Steel Thin-Profile Nylon-Insert Locknuts, 400PK

Zoro # G122860671
Mfr # X1E-FAS-NUT-LOC-3748x400
product price: 
$11,682.99
/pk 400, $29.21/ea
X1 Tools 5/16-18 Corrosion-Resistant 18-8 Stainless Steel Nylon-Insert Locknuts, 120PK X1E-FAS-NUT-LOC-2127x120
X1 Tools

5/16-18 Corrosion-Resistant 18-8 Stainless Steel Nylon-Insert Locknuts, 120PK

Zoro # G922850933
Mfr # X1E-FAS-NUT-LOC-2127x120
product price: 
$60.69
/pk 120, $0.51/ea
X1 Tools 1/4-20 Performance Black-Corrosion-Resistant-Coated Steel Thin-Profile Nylon-Insert Locknuts, 10PK X1E-FAS-NUT-LOC-3618x10
X1 Tools

1/4-20 Performance Black-Corrosion-Resistant-Coated Steel Thin-Profile Nylon-Insert Locknuts, 10PK

Zoro # G322867111
Mfr # X1E-FAS-NUT-LOC-3618x10
product price: 
$45.75
/pk 10, $4.58/ea
Oxoxo M4-0.7 Metric Conical K Keps Lock Nut Zinc and Bake, 5000PK 637823
Oxoxo

M4-0.7 Metric Conical K Keps Lock Nut Zinc and Bake, 5000PK

Zoro # G522683702
Mfr # 637823
product price: 
$763.99
/pk 5000, $0.15/ea
Zoro Select 9/16-18 Serr Hex Flange Lock Nut Blk Zinc & Bake, 150Pk 57NRBZ
Zoro Select

9/16-18 Serr Hex Flange Lock Nut Blk Zinc & Bake, 150Pk

Zoro # G115623016
Mfr # 57NRBZ
product price: 
$319.99
/pk 150, $2.13/ea
Oxoxo M5X0.8-1 Metric Self Clinching Nut Zinc, 5000PK 516439
Oxoxo

M5X0.8-1 Metric Self Clinching Nut Zinc, 5000PK

Zoro # G222681473
Mfr # 516439
product price: 
$884.99
/pk 5000, $0.18/ea
Newport Fasteners Nylon Insert Lock Nut, 5/16"-24, 316 Stainless Steel, Not Graded, 3000 PK 919124-BR-3000
Newport Fasteners

Nylon Insert Lock Nut, 5/16"-24, 316 Stainless Steel, Not Graded, 3000 PK

Zoro # G506331759
Mfr # 919124-BR-3000
product price: 
$1,165.99
/pk 3000, $0.39/ea
X1 Tools 5/8-18 Performance Zinc-Plated Steel Nylon-Insert Locknuts, 15PK X1E-FAS-NUT-LOC-1954x15
X1 Tools

5/8-18 Performance Zinc-Plated Steel Nylon-Insert Locknuts, 15PK

Zoro # G722847997
Mfr # X1E-FAS-NUT-LOC-1954x15
product price: 
$24.15
/pk 15, $1.61/ea
X1 Tools 1/2-20 Black-Oxide Corrosion-Resistant 18-8 Stainless Steel Thin-Profile Nylon-Insert Locknuts, 10PK X1E-FAS-NUT-LOC-3830x10
X1 Tools

1/2-20 Black-Oxide Corrosion-Resistant 18-8 Stainless Steel Thin-Profile Nylon-Insert Locknuts, 10PK

Zoro # G222864166
Mfr # X1E-FAS-NUT-LOC-3830x10
product price: 
$34.95
/pk 10, $3.50/ea
X1 Tools 7/16-20 Corrosion-Resistant 316 Stainless Steel Thin-Profile Nylon-Insert Locknuts, 75PK X1E-FAS-NUT-LOC-3928x75
X1 Tools

7/16-20 Corrosion-Resistant 316 Stainless Steel Thin-Profile Nylon-Insert Locknuts, 75PK

Zoro # G222853788
Mfr # X1E-FAS-NUT-LOC-3928x75
product price: 
$138.99
/pk 75, $1.85/ea
X1 Tools M12 x 1.75 mm Performance Zinc-Plated Steel Nylon-Insert Locknuts, 8PK X1E-FAS-NUT-LOC-1982x8
X1 Tools

M12 x 1.75 mm Performance Zinc-Plated Steel Nylon-Insert Locknuts, 8PK

Zoro # G922865494
Mfr # X1E-FAS-NUT-LOC-1982x8
product price: 
$11.15
/pk 8, $1.39/ea
Sold in mult. of 2 for $22.30
X1 Tools 5/8-18 Performance Zinc-Plated Steel Thin-Profile Nylon-Insert Locknuts, 250PK X1E-FAS-NUT-LOC-3452x250
X1 Tools

5/8-18 Performance Zinc-Plated Steel Thin-Profile Nylon-Insert Locknuts, 250PK

Zoro # G322850052
Mfr # X1E-FAS-NUT-LOC-3452x250
product price: 
$180.99
/pk 250, $0.72/ea
X1 Tools 3/4-16 Hi Performance Zinc-Plated Steel Thin-Profile Nylon-Insert Locknuts, 200PK X1E-FAS-NUT-LOC-3316x200
X1 Tools

3/4-16 Hi Performance Zinc-Plated Steel Thin-Profile Nylon-Insert Locknuts, 200PK

Zoro # G922844895
Mfr # X1E-FAS-NUT-LOC-3316x200
product price: 
$439.99
/pk 200, $2.20/ea
Newport Fasteners Nylon Insert Lock Nut, #10-32, 18-8 Stainless Steel, Not Graded, 5000 PK 125648-BR-5000
Newport Fasteners

Nylon Insert Lock Nut, #10-32, 18-8 Stainless Steel, Not Graded, 5000 PK

Zoro # G806327728
Mfr # 125648-BR-5000
product price: 
$904.99
/pk 5000, $0.18/ea
X1 Tools 1 1/4-7 Corrosion-Resistant 18-8 Stainless Steel Thin-Profile Nylon-Insert Locknuts, 75PK X1E-FAS-NUT-LOC-3760x75
X1 Tools

1 1/4-7 Corrosion-Resistant 18-8 Stainless Steel Thin-Profile Nylon-Insert Locknuts, 75PK

Zoro # G722856791
Mfr # X1E-FAS-NUT-LOC-3760x75
product price: 
$3,830.99
/pk 75, $51.08/ea
X1 Tools 3/4-16 Ultra Hi Performance Black-Oxide Steel Nylon-Insert Locknuts, 4PK X1E-FAS-NUT-LOC-1240x4
X1 Tools

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

Zoro # G022852738
Mfr # X1E-FAS-NUT-LOC-1240x4
product price: 
$20.79
/pk 4, $5.20/ea
X1 Tools 1-14 Corrosion-Resistant 18-8 Stainless Steel Thin-Profile Nylon-Insert Locknuts, 2PK X1E-FAS-NUT-LOC-3756x2
X1 Tools

1-14 Corrosion-Resistant 18-8 Stainless Steel Thin-Profile Nylon-Insert Locknuts, 2PK

Zoro # G822866638
Mfr # X1E-FAS-NUT-LOC-3756x2
product price: 
$89.99
/pk 2, $45.00/ea
Lock Nuts (10,000+ items) - Page 193
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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 NutsCap Nuts & Acorn NutsGeneral Washers
Hex Head Cap ScrewsMachine ScrewsSocket Head Cap ScrewsLock WashersSelf-Tapping Screws
1/2" flange lock nut3/8-16 nuts stainless steellock nut 5/16-181/4" locking nutnylon insert hex nut
5/16-24 nutsnylon-insert locknutsn-10 lock nut5/16-18 nylon locking nut10mm nuts

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