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  7. Lock Nuts

Lock Nuts (10,000+ items) - Page 62

Oxoxo 10-24 Serrated Flange Hex Lock Nuts Case Hardened HR15N 78/90 Black Oxide, 4000PK 357641
Oxoxo

10-24 Serrated Flange Hex Lock Nuts Case Hardened HR15N 78/90 Black Oxide, 4000PK

Zoro # G722679666
Mfr # 357641
product price:  $354.99
/pk 4000, $0.09/ea
X1 Tools M8 x 1.25 mm Hi-Performance Zinc-Plated Steel Nylon-Insert Locknuts, 75PK X1E-FAS-NUT-LOC-1641x75
X1 Tools

M8 x 1.25 mm Hi-Performance Zinc-Plated Steel Nylon-Insert Locknuts, 75PK

Zoro # G822853034
Mfr # X1E-FAS-NUT-LOC-1641x75
product price:  $30.55
/pk 75, $0.41/ea
X1 Tools 4-40 Performance Zinc-Plated Steel Thin-Profile Nylon-Insert Locknuts, 250PK X1E-FAS-NUT-LOC-3412x250
X1 Tools

4-40 Performance Zinc-Plated Steel Thin-Profile Nylon-Insert Locknuts, 250PK

Zoro # G122851631
Mfr # X1E-FAS-NUT-LOC-3412x250
product price:  $56.55
/pk 250, $0.23/ea
X1 Tools 1/4-28 Corrosion-Resistant 18-8 Stainless Steel Thin-Profile Nylon-Insert Locknuts X1E-FAS-NUT-LOC-3722x1
X1 Tools

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

Zoro # G222865224
Mfr # X1E-FAS-NUT-LOC-3722x1
product price:  $0.84
/ea
X1 Tools M16 x 1.5 mm Ultra Hi Performance Zinc-Plated Steel Nylon-Insert Locknuts, 200PK X1E-FAS-NUT-LOC-1136x200
X1 Tools

M16 x 1.5 mm Ultra Hi Performance Zinc-Plated Steel Nylon-Insert Locknuts, 200PK

Zoro # G622845925
Mfr # X1E-FAS-NUT-LOC-1136x200
product price:  $1,901.99
/pk 200, $9.51/ea
X1 Tools M10 x 1.5 mm Performance Zinc-Plated Steel Nylon-Insert Locknuts, 12PK X1E-FAS-NUT-LOC-1980x12
X1 Tools

M10 x 1.5 mm Performance Zinc-Plated Steel Nylon-Insert Locknuts, 12PK

Zoro # G022862874
Mfr # X1E-FAS-NUT-LOC-1980x12
product price:  $12.49
/pk 12, $1.04/ea
X1 Tools 1-8 Corrosion-Resistant 18-8 Stainless Steel Thin-Profile Nylon-Insert Locknuts, 400PK X1E-FAS-NUT-LOC-3754x400
X1 Tools

1-8 Corrosion-Resistant 18-8 Stainless Steel Thin-Profile Nylon-Insert Locknuts, 400PK

Zoro # G822854642
Mfr # X1E-FAS-NUT-LOC-3754x400
product price:  $9,982.99
/pk 400, $24.96/ea
X1 Tools 1/4-28 Corrosion-Resistant 18-8 Stainless Steel Nylon-Insert Locknuts, 10PK X1E-FAS-NUT-LOC-2126x10
X1 Tools

1/4-28 Corrosion-Resistant 18-8 Stainless Steel Nylon-Insert Locknuts, 10PK

Zoro # G422862665
Mfr # X1E-FAS-NUT-LOC-2126x10
product price:  $3.99
/pk 10, $0.40/ea
X1 Tools 1-8 Performance Zinc-Plated Steel Nylon-Insert Locknuts, 75PK X1E-FAS-NUT-LOC-1964x75
X1 Tools

1-8 Performance Zinc-Plated Steel Nylon-Insert Locknuts, 75PK

Zoro # G322853633
Mfr # X1E-FAS-NUT-LOC-1964x75
product price:  $396.99
/pk 75, $5.29/ea
X1 Tools 7/16-20 Corrosion-Resistant 18-8 Stainless Steel Nylon-Insert Locknuts X1E-FAS-NUT-LOC-2132x1
X1 Tools

7/16-20 Corrosion-Resistant 18-8 Stainless Steel Nylon-Insert Locknuts

Zoro # G822854215
Mfr # X1E-FAS-NUT-LOC-2132x1
product price:  $1.75
/ea
X1 Tools 2-12 Ultra Hi Performance Black-Oxide Steel Nylon-Insert Locknuts, 12PK X1E-FAS-NUT-LOC-1270x12
X1 Tools

2-12 Ultra Hi Performance Black-Oxide Steel Nylon-Insert Locknuts, 12PK

Zoro # G222844694
Mfr # X1E-FAS-NUT-LOC-1270x12
product price:  $1,252.99
/pk 12, $104.42/ea
X1 Tools 3/8-16 UHP Yellow Zinc Plated Grade 8 Steel Thin-Profile Nylon-Insert Locknuts, 4PK X1E-FAS-NUT-LOC-3018x4
X1 Tools

3/8-16 UHP Yellow Zinc Plated Grade 8 Steel Thin-Profile Nylon-Insert Locknuts, 4PK

Zoro # G622862908
Mfr # X1E-FAS-NUT-LOC-3018x4
product price:  $2.55
/pk 4, $0.64/ea
X1 Tools M10 x 1.5 mm Performance Zinc-Plated Steel Nylon-Insert Locknuts, 8PK X1E-FAS-NUT-LOC-1980x8
X1 Tools

M10 x 1.5 mm Performance Zinc-Plated Steel Nylon-Insert Locknuts, 8PK

Zoro # G622850547
Mfr # X1E-FAS-NUT-LOC-1980x8
product price:  $5.65
/pk 8, $0.71/ea
X1 Tools 1-12 Corrosion-Resistant 18-8 Stainless Steel Nylon-Insert Locknuts, 15PK X1E-FAS-NUT-LOC-2144x15
X1 Tools

1-12 Corrosion-Resistant 18-8 Stainless Steel Nylon-Insert Locknuts, 15PK

Zoro # G922862448
Mfr # X1E-FAS-NUT-LOC-2144x15
product price:  $398.99
/pk 15, $26.60/ea
X1 Tools M8 x 1.25 mm Performance Zinc-Plated Steel Thin-Profile Nylon-Insert Locknuts, 6PK X1E-FAS-NUT-LOC-3484x6
X1 Tools

M8 x 1.25 mm Performance Zinc-Plated Steel Thin-Profile Nylon-Insert Locknuts, 6PK

Zoro # G722847485
Mfr # X1E-FAS-NUT-LOC-3484x6
product price:  $21.35
/pk 6, $3.56/ea
X1 Tools 1/4-28 Ultra H.P. Yellow Zinc Plated Grade 8 Steel Nylon-Insert Locknuts, 25PK X1E-FAS-NUT-LOC-1012x25
X1 Tools

1/4-28 Ultra H.P. Yellow Zinc Plated Grade 8 Steel Nylon-Insert Locknuts, 25PK

Zoro # G622844652
Mfr # X1E-FAS-NUT-LOC-1012x25
product price:  $18.29
/pk 25, $0.73/ea
X1 Tools 9/16-12 Performance Zinc-Plated Steel Thin-Profile Nylon-Insert Locknuts X1E-FAS-NUT-LOC-3446x1
X1 Tools

9/16-12 Performance Zinc-Plated Steel Thin-Profile Nylon-Insert Locknuts

Zoro # G022845303
Mfr # X1E-FAS-NUT-LOC-3446x1
product price:  $1.15
/ea
X1 Tools 3/8-16 Black-Oxide Corrosion-Resistant 18-8 Stainless Steel Thin-Profile Nylon-Insert Locknuts X1E-FAS-NUT-LOC-3824x1
X1 Tools

3/8-16 Black-Oxide Corrosion-Resistant 18-8 Stainless Steel Thin-Profile Nylon-Insert Locknuts

Zoro # G922867818
Mfr # X1E-FAS-NUT-LOC-3824x1
product price:  $1.99
/ea
X1 Tools 1-14 UHP Black-Oxide Grade 8 Steel Thin-Profile Nylon-Insert Locknuts X1E-FAS-NUT-LOC-3236x1
X1 Tools

1-14 UHP Black-Oxide Grade 8 Steel Thin-Profile Nylon-Insert Locknuts

Zoro # G522854553
Mfr # X1E-FAS-NUT-LOC-3236x1
product price:  $21.99
/ea
X1 Tools 1/4-28 Ultra Hi Performance Black-Oxide Steel Nylon-Insert Locknuts, 12PK X1E-FAS-NUT-LOC-1212x12
X1 Tools

1/4-28 Ultra Hi Performance Black-Oxide Steel Nylon-Insert Locknuts, 12PK

Zoro # G022855623
Mfr # X1E-FAS-NUT-LOC-1212x12
product price:  $11.65
/pk 12, $0.97/ea
X1 Tools 1/2-13 Performance Zinc-Plated Steel Thin-Profile Nylon-Insert Locknuts, 12PK X1E-FAS-NUT-LOC-3442x12
X1 Tools

1/2-13 Performance Zinc-Plated Steel Thin-Profile Nylon-Insert Locknuts, 12PK

Zoro # G822864726
Mfr # X1E-FAS-NUT-LOC-3442x12
product price:  $5.29
/pk 12, $0.44/ea
X1 Tools 1-8 Corrosion-Resistant 18-8 Stainless Steel Nylon-Insert Locknuts X1E-FAS-NUT-LOC-2143x1
X1 Tools

1-8 Corrosion-Resistant 18-8 Stainless Steel Nylon-Insert Locknuts

Zoro # G222844885
Mfr # X1E-FAS-NUT-LOC-2143x1
product price:  $20.45
/ea
X1 Tools 1/4-20 Corrosion-Resistant 18-8 Stainless Steel Thin-Profile Nylon-Insert Locknuts, 400PK X1E-FAS-NUT-LOC-3720x400
X1 Tools

1/4-20 Corrosion-Resistant 18-8 Stainless Steel Thin-Profile Nylon-Insert Locknuts, 400PK

Zoro # G722861894
Mfr # X1E-FAS-NUT-LOC-3720x400
product price:  $116.99
/pk 400, $0.29/ea
No Product Image Available
Zoro Select

Lock Nut, Steel, 1/32", PK50

Zoro # G222962374
Mfr # FLJNI0-6CAD-050P
product price:  $23.69
/pk 50, $0.47/ea
X1 Tools 5/8-18 Ultra Hi Performance Grade 8 Steel Nylon-Insert Locknuts, 500PK X1E-FAS-NUT-LOC-1436x500
X1 Tools

5/8-18 Ultra Hi Performance Grade 8 Steel Nylon-Insert Locknuts, 500PK

Zoro # G922847360
Mfr # X1E-FAS-NUT-LOC-1436x500
product price:  $1,198.99
/pk 500, $2.40/ea
X1 Tools 9/16-18 Performance Zinc-Plated Steel Thin-Profile Nylon-Insert Locknuts, 250PK X1E-FAS-NUT-LOC-3448x250
X1 Tools

9/16-18 Performance Zinc-Plated Steel Thin-Profile Nylon-Insert Locknuts, 250PK

Zoro # G222849316
Mfr # X1E-FAS-NUT-LOC-3448x250
product price:  $129.99
/pk 250, $0.52/ea
X1 Tools 1/2-20 Corrosion-Resistant 316 Stainless Steel Nylon-Insert Locknuts, 75PK X1E-FAS-NUT-LOC-2342x75
X1 Tools

1/2-20 Corrosion-Resistant 316 Stainless Steel Nylon-Insert Locknuts, 75PK

Zoro # G922857536
Mfr # X1E-FAS-NUT-LOC-2342x75
product price:  $177.99
/pk 75, $2.37/ea
X1 Tools 3/8-24 Corrosion-Resistant 18-8 Stainless Steel Thin-Profile Nylon-Insert Locknuts X1E-FAS-NUT-LOC-3730x1
X1 Tools

3/8-24 Corrosion-Resistant 18-8 Stainless Steel Thin-Profile Nylon-Insert Locknuts

Zoro # G022848090
Mfr # X1E-FAS-NUT-LOC-3730x1
product price:  $1.19
/ea
X1 Tools M18 x 2.5 mm Performance Zinc-Plated Steel Nylon-Insert Locknuts, 1000PK X1E-FAS-NUT-LOC-1988x1000
X1 Tools

M18 x 2.5 mm Performance Zinc-Plated Steel Nylon-Insert Locknuts, 1000PK

Zoro # G822847200
Mfr # X1E-FAS-NUT-LOC-1988x1000
product price:  $3,167.99
/pk 1000, $3.17/ea
Newport Fasteners Nylon Insert Lock Nut, 1-1/4"-7, Steel, Grade A, Zinc Plated, 10 PK 120348-PR-10
Newport Fasteners

Nylon Insert Lock Nut, 1-1/4"-7, Steel, Grade A, Zinc Plated, 10 PK

Zoro # G306327990
Mfr # 120348-PR-10
product price:  $112.99
/pk 10, $11.30/ea
X1 Tools M45 x 3 mm Hi-Performance Zinc-Plated Steel Nylon-Insert Locknuts, 8PK X1E-FAS-NUT-LOC-1674x8
X1 Tools

M45 x 3 mm Hi-Performance Zinc-Plated Steel Nylon-Insert Locknuts, 8PK

Zoro # G422850709
Mfr # X1E-FAS-NUT-LOC-1674x8
product price:  $1,390.99
/pk 8, $173.87/ea
X1 Tools 8-32 Black-Oxide C.R. 18-8 Stainless Steel Nylon-Insert Locknuts, 120PK X1E-FAS-NUT-LOC-2222x120
X1 Tools

8-32 Black-Oxide C.R. 18-8 Stainless Steel Nylon-Insert Locknuts, 120PK

Zoro # G022863468
Mfr # X1E-FAS-NUT-LOC-2222x120
product price:  $40.89
/pk 120, $0.34/ea
X1 Tools 7/16-14 Hi-Performance Black-Oxide Steel Nylon-Insert Locknuts, 50PK X1E-FAS-NUT-LOC-1722x50
X1 Tools

7/16-14 Hi-Performance Black-Oxide Steel Nylon-Insert Locknuts, 50PK

Zoro # G422853557
Mfr # X1E-FAS-NUT-LOC-1722x50
product price:  $32.15
/pk 50, $0.64/ea
X1 Tools M33 x 3.5 mm Ultra Hi Performance Zinc-Plated Steel Nylon-Insert Locknuts, 50PK X1E-FAS-NUT-LOC-1166x50
X1 Tools

M33 x 3.5 mm Ultra Hi Performance Zinc-Plated Steel Nylon-Insert Locknuts, 50PK

Zoro # G022854381
Mfr # X1E-FAS-NUT-LOC-1166x50
product price:  $3,414.99
/pk 50, $68.30/ea
X1 Tools 12-24 Corrosion-Resistant 316 Stainless Steel Nylon-Insert Locknuts, 1000PK X1E-FAS-NUT-LOC-2322x1000
X1 Tools

12-24 Corrosion-Resistant 316 Stainless Steel Nylon-Insert Locknuts, 1000PK

Zoro # G922851695
Mfr # X1E-FAS-NUT-LOC-2322x1000
product price:  $384.99
/pk 1000, $0.38/ea
X1 Tools 1 1/4-7 Performance Zinc-Plated Steel Thin-Profile Nylon-Insert Locknuts, 4PK X1E-FAS-NUT-LOC-3468x4
X1 Tools

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

Zoro # G222844953
Mfr # X1E-FAS-NUT-LOC-3468x4
product price:  $65.89
/pk 4, $16.47/ea
Lock Nuts (10,000+ items) - Page 62
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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 ScrewsSocket Head Cap ScrewsMachine ScrewsLock WashersSelf-Tapping Screws
flanged locknut3/8-16 nuts stainless steel1/4-20 stainless steel nutserrated flange lock nut5/16-18 stainless steel bolt
lock nut nylon insert5/8-18 flange nut3/8" flange nutslock nut 5/16-18nylon insert flange nut

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