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  7. Lock Nuts

Lock Nuts (10,000+ items) - Page 26

Newport Fasteners Nylon Insert Lock Nut, 5/16"-24, Steel, Grade A, Yellow Zinc, 3000 PK 199348-BR-3000
Newport Fasteners

Nylon Insert Lock Nut, 5/16"-24, Steel, Grade A, Yellow Zinc, 3000 PK

Zoro # G006327542
Mfr # 199348-BR-3000
product price:  $290.99
/pk 3000, $0.10/ea
X1 Tools 10-32 Corrosion-Resistant 316 Stainless Steel Thin-Profile Nylon-Insert Locknuts, 500PK X1E-FAS-NUT-LOC-3912x500
X1 Tools

10-32 Corrosion-Resistant 316 Stainless Steel Thin-Profile Nylon-Insert Locknuts, 500PK

Zoro # G822861855
Mfr # X1E-FAS-NUT-LOC-3912x500
product price:  $363.99
/pk 500, $0.73/ea
Newport Fasteners Nylon Insert Lock Nut, 5/8"-18, Steel, Zinc Plated, 500 PK NB305190B-500
Newport Fasteners

Nylon Insert Lock Nut, 5/8"-18, Steel, Zinc Plated, 500 PK

Zoro # G106331821
Mfr # NB305190B-500
product price:  $355.99
/pk 500, $0.71/ea
Zoro Select Top Lock Distorted Thread Lock Nut, M20-2.50, Steel, Class 8, Zinc Plated, 20 mm Ht, 10 PK M12858.200.0001
Zoro Select

Top Lock Distorted Thread Lock Nut, M20-2.50, Steel, Class 8, Zinc Plated, 20 mm Ht, 10 PK

Zoro # G2860798
Mfr # M12858.200.0001
product price:  $9.39
/pk 10, $0.94/ea
Zoro Select Lock Nut, Steel, 13/32", PK5 FLHNFI062-005P
Zoro Select

Lock Nut, Steel, 13/32", PK5

Zoro # G022964417
Mfr # FLHNFI062-005P
product price:  $21.49
/pk 5, $4.30/ea
X1 Tools 3/4-10 Hi Performance Brass Nylon-Insert Locknuts, 400PK X1E-FAS-NUT-LOC-2730x400
X1 Tools

3/4-10 Hi Performance Brass Nylon-Insert Locknuts, 400PK

Zoro # G722847959
Mfr # X1E-FAS-NUT-LOC-2730x400
product price:  $16,331.99
/pk 400, $40.83/ea
X1 Tools 10-32 Grade 5 Titanium Nylon-Insert Locknuts, 75PK X1E-FAS-NUT-LOC-2518x75
X1 Tools

10-32 Grade 5 Titanium Nylon-Insert Locknuts, 75PK

Zoro # G622852190
Mfr # X1E-FAS-NUT-LOC-2518x75
product price:  $1,647.99
/pk 75, $21.97/ea
X1 Tools 1-8 Performance Zinc-Plated Steel Nylon-Insert Locknuts, 100PK X1E-FAS-NUT-LOC-1964x100
X1 Tools

1-8 Performance Zinc-Plated Steel Nylon-Insert Locknuts, 100PK

Zoro # G222853337
Mfr # X1E-FAS-NUT-LOC-1964x100
product price:  $785.99
/pk 100, $7.86/ea
X1 Tools M5 x 0.8 mm Corrosion-Resistant 18-8 Stainless Steel Nylon-Insert Locknuts, 250PK X1E-FAS-NUT-LOC-2154x250
X1 Tools

M5 x 0.8 mm Corrosion-Resistant 18-8 Stainless Steel Nylon-Insert Locknuts, 250PK

Zoro # G622858918
Mfr # X1E-FAS-NUT-LOC-2154x250
product price:  $52.79
/pk 250, $0.21/ea
X1 Tools 5/16-18 Performance Black-Corrosion-Resistant-Coated Steel Thin-Profile Nylon-Insert Locknuts, 75PK X1E-FAS-NUT-LOC-3620x75
X1 Tools

5/16-18 Performance Black-Corrosion-Resistant-Coated Steel Thin-Profile Nylon-Insert Locknuts, 75PK

Zoro # G322854654
Mfr # X1E-FAS-NUT-LOC-3620x75
product price:  $313.99
/pk 75, $4.19/ea
X1 Tools 3/8-24 Hi-Performance Zinc-Plated Steel Nylon-Insert Locknuts, 2PK X1E-FAS-NUT-LOC-1615x2
X1 Tools

3/8-24 Hi-Performance Zinc-Plated Steel Nylon-Insert Locknuts, 2PK

Zoro # G922865289
Mfr # X1E-FAS-NUT-LOC-1615x2
product price:  $1.25
/pk 2, $0.63/ea
X1 Tools 9/16-12 Corrosion-Resistant 316 Stainless Steel Nylon-Insert Locknuts, 12PK X1E-FAS-NUT-LOC-2344x12
X1 Tools

9/16-12 Corrosion-Resistant 316 Stainless Steel Nylon-Insert Locknuts, 12PK

Zoro # G522850371
Mfr # X1E-FAS-NUT-LOC-2344x12
product price:  $95.69
/pk 12, $7.97/ea
X1 Tools 3-48 Corrosion-Resistant 18-8 Stainless Steel Nylon-Insert Locknuts, 250PK X1E-FAS-NUT-LOC-2112x250
X1 Tools

3-48 Corrosion-Resistant 18-8 Stainless Steel Nylon-Insert Locknuts, 250PK

Zoro # G122848211
Mfr # X1E-FAS-NUT-LOC-2112x250
product price:  $73.85
/pk 250, $0.30/ea
X1 Tools 1/2-20 Ultra Hi Performance Grade 8 Steel Nylon-Insert Locknuts, 75PK X1E-FAS-NUT-LOC-1428x75
X1 Tools

1/2-20 Ultra Hi Performance Grade 8 Steel Nylon-Insert Locknuts, 75PK

Zoro # G522846886
Mfr # X1E-FAS-NUT-LOC-1428x75
product price:  $97.35
/pk 75, $1.30/ea
X1 Tools 1 1/8-12 UHP Zinc-Plated Grade 8 Steel Thin-Profile Nylon-Insert Locknuts, 6PK X1E-FAS-NUT-LOC-3122x6
X1 Tools

1 1/8-12 UHP Zinc-Plated Grade 8 Steel Thin-Profile Nylon-Insert Locknuts, 6PK

Zoro # G022848724
Mfr # X1E-FAS-NUT-LOC-3122x6
product price:  $163.99
/pk 6, $27.33/ea
X1 Tools M16 x 1.5 mm Hi-Performance Zinc-Plated Steel Nylon-Insert Locknuts, 500PK X1E-FAS-NUT-LOC-1651x500
X1 Tools

M16 x 1.5 mm Hi-Performance Zinc-Plated Steel Nylon-Insert Locknuts, 500PK

Zoro # G822851962
Mfr # X1E-FAS-NUT-LOC-1651x500
product price:  $1,369.99
/pk 500, $2.74/ea
X1 Tools M4 x 0.7 mm Corrosion-Resistant 316 Stainless Steel Nylon-Insert Locknuts, 500PK X1E-FAS-NUT-LOC-2376x500
X1 Tools

M4 x 0.7 mm Corrosion-Resistant 316 Stainless Steel Nylon-Insert Locknuts, 500PK

Zoro # G722855183
Mfr # X1E-FAS-NUT-LOC-2376x500
product price:  $165.99
/pk 500, $0.33/ea
X1 Tools 7/16-20 Corrosion-Resistant 316 Stainless Steel Thin-Profile Nylon-Insert Locknuts, 150PK X1E-FAS-NUT-LOC-3928x150
X1 Tools

7/16-20 Corrosion-Resistant 316 Stainless Steel Thin-Profile Nylon-Insert Locknuts, 150PK

Zoro # G522865993
Mfr # X1E-FAS-NUT-LOC-3928x150
product price:  $267.99
/pk 150, $1.79/ea
X1 Tools M12 x 1.75 mm Ultra Hi Performance Zinc-Plated Steel Nylon-Insert Locknuts, 100PK X1E-FAS-NUT-LOC-1130x100
X1 Tools

M12 x 1.75 mm Ultra Hi Performance Zinc-Plated Steel Nylon-Insert Locknuts, 100PK

Zoro # G122845784
Mfr # X1E-FAS-NUT-LOC-1130x100
product price:  $255.99
/pk 100, $2.56/ea
X1 Tools 9/16-12 Hi-Performance Black-Oxide Steel Nylon-Insert Locknuts, 6PK X1E-FAS-NUT-LOC-1730x6
X1 Tools

9/16-12 Hi-Performance Black-Oxide Steel Nylon-Insert Locknuts, 6PK

Zoro # G022861150
Mfr # X1E-FAS-NUT-LOC-1730x6
product price:  $13.69
/pk 6, $2.28/ea
X1 Tools M12 x 1.5 mm Ultra Hi Performance Zinc-Plated Steel Nylon-Insert Locknuts, 75PK X1E-FAS-NUT-LOC-1128x75
X1 Tools

M12 x 1.5 mm Ultra Hi Performance Zinc-Plated Steel Nylon-Insert Locknuts, 75PK

Zoro # G322845836
Mfr # X1E-FAS-NUT-LOC-1128x75
product price:  $183.99
/pk 75, $2.45/ea
X1 Tools 7/16-20 Corrosion-Resistant 316 Stainless Steel Nylon-Insert Locknuts, 120PK X1E-FAS-NUT-LOC-2338x120
X1 Tools

7/16-20 Corrosion-Resistant 316 Stainless Steel Nylon-Insert Locknuts, 120PK

Zoro # G322846987
Mfr # X1E-FAS-NUT-LOC-2338x120
product price:  $192.99
/pk 120, $1.61/ea
X1 Tools 1 1/4-8 Ultra H.P. Yellow Zinc Plated Grade 8 Steel Nylon-Insert Locknuts, 75PK X1E-FAS-NUT-LOC-1058x75
X1 Tools

1 1/4-8 Ultra H.P. Yellow Zinc Plated Grade 8 Steel Nylon-Insert Locknuts, 75PK

Zoro # G722849205
Mfr # X1E-FAS-NUT-LOC-1058x75
product price:  $3,608.99
/pk 75, $48.12/ea
X1 Tools M5 x 0.8 mm Black-Oxide C.R. 18-8 Stainless Steel Nylon-Insert Locknuts, 12PK X1E-FAS-NUT-LOC-2264x12
X1 Tools

M5 x 0.8 mm Black-Oxide C.R. 18-8 Stainless Steel Nylon-Insert Locknuts, 12PK

Zoro # G722856036
Mfr # X1E-FAS-NUT-LOC-2264x12
product price:  $28.85
/pk 12, $2.40/ea
X1 Tools 7/8-9 Ultra Hi Performance Black-Oxide Steel Nylon-Insert Locknuts, 15PK X1E-FAS-NUT-LOC-1242x15
X1 Tools

7/8-9 Ultra Hi Performance Black-Oxide Steel Nylon-Insert Locknuts, 15PK

Zoro # G522851507
Mfr # X1E-FAS-NUT-LOC-1242x15
product price:  $89.95
/pk 15, $6.00/ea
X1 Tools 10-24 Hi Performance Brass Nylon-Insert Locknuts, 25PK X1E-FAS-NUT-LOC-2716x25
X1 Tools

10-24 Hi Performance Brass Nylon-Insert Locknuts, 25PK

Zoro # G122865409
Mfr # X1E-FAS-NUT-LOC-2716x25
product price:  $26.15
/pk 25, $1.05/ea
X1 Tools 7/8-9 Corrosion-Resistant 18-8 Stainless Steel Nylon-Insert Locknuts, 100PK X1E-FAS-NUT-LOC-2141x100
X1 Tools

7/8-9 Corrosion-Resistant 18-8 Stainless Steel Nylon-Insert Locknuts, 100PK

Zoro # G322851936
Mfr # X1E-FAS-NUT-LOC-2141x100
product price:  $856.99
/pk 100, $8.57/ea
Zoro Select Lock Nut, #2-56, Nylon, Zinc Plated, 0.081 in Ht, 10000 PK 02NS
Zoro Select

Lock Nut, #2-56, Nylon, Zinc Plated, 0.081 in Ht, 10000 PK

Zoro # G2449192
Mfr # 02NS
product price:  $667.99
/pk 10000, $0.07/ea
X1 Tools 10-24 Corrosion-Resistant 18-8 Stainless Steel Thin-Profile Nylon-Insert Locknuts, 500PK X1E-FAS-NUT-LOC-3716x500
X1 Tools

10-24 Corrosion-Resistant 18-8 Stainless Steel Thin-Profile Nylon-Insert Locknuts, 500PK

Zoro # G222863022
Mfr # X1E-FAS-NUT-LOC-3716x500
product price:  $114.99
/pk 500, $0.23/ea
X1 Tools 3/4-16 Hi-Performance Zinc-Plated Steel Nylon-Insert Locknuts, 400PK X1E-FAS-NUT-LOC-1625x400
X1 Tools

3/4-16 Hi-Performance Zinc-Plated Steel Nylon-Insert Locknuts, 400PK

Zoro # G722853257
Mfr # X1E-FAS-NUT-LOC-1625x400
product price:  $783.99
/pk 400, $1.96/ea
Oxoxo 5-40 K Lock Hex Nut Black Oxide, 5000PK 336039
Oxoxo

5-40 K Lock Hex Nut Black Oxide, 5000PK

Zoro # G122670270
Mfr # 336039
product price:  $309.99
/pk 5000, $0.06/ea
Newport Fasteners Nylon Insert Lock Nut, #10-24, 316 Stainless Steel, Not Graded, 5000 PK 565720-BR-5000
Newport Fasteners

Nylon Insert Lock Nut, #10-24, 316 Stainless Steel, Not Graded, 5000 PK

Zoro # G506330110
Mfr # 565720-BR-5000
product price:  $619.99
/pk 5000, $0.12/ea
Newport Fasteners Nylon Insert Lock Nut, 1/2"-20, Steel, Zinc Plated, 100 PK NB305299P-100
Newport Fasteners

Nylon Insert Lock Nut, 1/2"-20, Steel, Zinc Plated, 100 PK

Zoro # G506331957
Mfr # NB305299P-100
product price:  $88.65
/pk 100, $0.89/ea
X1 Tools 9/16-18 Corrosion-Resistant 18-8 Stainless Steel Nylon-Insert Locknuts, 200PK X1E-FAS-NUT-LOC-2136x200
X1 Tools

9/16-18 Corrosion-Resistant 18-8 Stainless Steel Nylon-Insert Locknuts, 200PK

Zoro # G622856402
Mfr # X1E-FAS-NUT-LOC-2136x200
product price:  $929.99
/pk 200, $4.65/ea
X1 Tools 3/8-16 Performance Black-Zinc-Plated Steel Thin-Profile Nylon-Insert Locknuts, 100PK X1E-FAS-NUT-LOC-3524x100
X1 Tools

3/8-16 Performance Black-Zinc-Plated Steel Thin-Profile Nylon-Insert Locknuts, 100PK

Zoro # G022860184
Mfr # X1E-FAS-NUT-LOC-3524x100
product price:  $165.99
/pk 100, $1.66/ea
X1 Tools 1 1/8-12 Ultra Hi Performance Grade 8 Steel Nylon-Insert Locknuts, 15PK X1E-FAS-NUT-LOC-1452x15
X1 Tools

1 1/8-12 Ultra Hi Performance Grade 8 Steel Nylon-Insert Locknuts, 15PK

Zoro # G222851739
Mfr # X1E-FAS-NUT-LOC-1452x15
product price:  $421.99
/pk 15, $28.13/ea
Lock Nuts (10,000+ items) - Page 26
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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
nylon-insert locknuts1/2" flange lock nut5/16-24 nuts10mm nuts5/16-18 nylon locking nut
2 inch locknutlock nut 5/16-181/4" locking nutnylon insert hex nut3/8-16 nuts stainless steel

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