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  7. Lock Nuts

Lock Nuts (10,000+ items) - Page 20

X1 Tools 5/16-18 Lightweight 6061 Aluminum Nylon-Insert Locknuts, 8PK X1E-FAS-NUT-LOC-2618x8
X1 Tools

5/16-18 Lightweight 6061 Aluminum Nylon-Insert Locknuts, 8PK

Zoro # G422858842
Mfr # X1E-FAS-NUT-LOC-2618x8
product price: 
$7.99
/pk of 8, $1.00/ea
Sold in mult. of 2 pks for $15.98
X1 Tools 7/16-14 Hi-Performance Zinc-Plated Steel Nylon-Insert Locknuts, 12PK X1E-FAS-NUT-LOC-1616x12
X1 Tools

7/16-14 Hi-Performance Zinc-Plated Steel Nylon-Insert Locknuts, 12PK

Zoro # G922851510
Mfr # X1E-FAS-NUT-LOC-1616x12
product price: 
$7.95
/pk of 12, $0.66/ea
Sold in mult. of 2 pks for $15.90
X1 Tools 5/16-18 Performance Black-Corrosion-Resistant-Coated Steel Thin-Profile Nylon-Insert Locknuts, 2PK X1E-FAS-NUT-LOC-3620x2
X1 Tools

5/16-18 Performance Black-Corrosion-Resistant-Coated Steel Thin-Profile Nylon-Insert Locknuts, 2PK

Zoro # G622845987
Mfr # X1E-FAS-NUT-LOC-3620x2
product price: 
$14.29
/pk of 2, $7.15/ea
X1 Tools M16 x 2 mm Corrosion-Resistant 18-8 Stainless Steel Nylon-Insert Locknuts, 6PK X1E-FAS-NUT-LOC-2165x6
X1 Tools

M16 x 2 mm Corrosion-Resistant 18-8 Stainless Steel Nylon-Insert Locknuts, 6PK

Zoro # G422864454
Mfr # X1E-FAS-NUT-LOC-2165x6
product price: 
$23.99
/pk of 6, $4.00/ea
X1 Tools M48 x 5 mm Hi-Performance Zinc-Plated Steel Nylon-Insert Locknuts X1E-FAS-NUT-LOC-1676x1
X1 Tools

M48 x 5 mm Hi-Performance Zinc-Plated Steel Nylon-Insert Locknuts

Zoro # G422847266
Mfr # X1E-FAS-NUT-LOC-1676x1
product price: 
$152.99
/ea
X1 Tools 1 1/2-12 Ultra H.P. Yellow Zinc Plated Grade 8 Steel Nylon-Insert Locknuts, 2PK X1E-FAS-NUT-LOC-1066x2
X1 Tools

1 1/2-12 Ultra H.P. Yellow Zinc Plated Grade 8 Steel Nylon-Insert Locknuts, 2PK

Zoro # G922846127
Mfr # X1E-FAS-NUT-LOC-1066x2
product price: 
$118.99
/pk of 2, $59.50/ea
X1 Tools 7/16-20 Performance Zinc-Plated Steel Thin-Profile Nylon-Insert Locknuts, 20PK X1E-FAS-NUT-LOC-3440x20
X1 Tools

7/16-20 Performance Zinc-Plated Steel Thin-Profile Nylon-Insert Locknuts, 20PK

Zoro # G522856380
Mfr # X1E-FAS-NUT-LOC-3440x20
product price: 
$6.15
/pk of 20, $0.31/ea
Sold in mult. of 2 pks for $12.30
X1 Tools M10 x 1 mm Hi-Performance Zinc-Plated Steel Nylon-Insert Locknuts, 100PK X1E-FAS-NUT-LOC-1642x100
X1 Tools

M10 x 1 mm Hi-Performance Zinc-Plated Steel Nylon-Insert Locknuts, 100PK

Zoro # G622849145
Mfr # X1E-FAS-NUT-LOC-1642x100
product price: 
$139.99
/pk of 100, $1.40/ea
X1 Tools 8-32 Performance Zinc-Plated Steel Nylon-Insert Locknuts X1E-FAS-NUT-LOC-1920x1
X1 Tools

8-32 Performance Zinc-Plated Steel Nylon-Insert Locknuts

Zoro # G822862142
Mfr # X1E-FAS-NUT-LOC-1920x1
product price: 
$0.57
/ea
Sold in mult. of 16 for $9.12
Zoro Select Lock Nut, 5/16"-18, 18-8 Stainless Steel, Not Graded, 1000 PK 31NST188
Zoro Select

Lock Nut, 5/16"-18, 18-8 Stainless Steel, Not Graded, 1000 PK

Zoro # G2451475
Mfr # 31NST188
product price: 
$253.99
/pk of 1000, $0.25/ea
X1 Tools 3/4-10 Hi Performance Zinc-Plated Steel Thin-Profile Nylon-Insert Locknuts, 500PK X1E-FAS-NUT-LOC-3314x500
X1 Tools

3/4-10 Hi Performance Zinc-Plated Steel Thin-Profile Nylon-Insert Locknuts, 500PK

Zoro # G422851287
Mfr # X1E-FAS-NUT-LOC-3314x500
product price: 
$4,899.99
/pk of 500, $9.80/ea
Newport Fasteners Nylon Insert Lock Nut, #2-56, Steel, Zinc Plated, 4000 PK 890609
Newport Fasteners

Nylon Insert Lock Nut, #2-56, Steel, Zinc Plated, 4000 PK

Zoro # G806329623
Mfr # 890609
product price: 
$865.99
/pk of 4000, $0.22/ea
Midwest Fastener Lock Nut, Nylon, Zinc Plated 3655
Midwest Fastener

Lock Nut, Nylon, Zinc Plated

Zoro # G107684995
Mfr # 3655
product price: 
$26.39
/ea
X1 Tools 10-32 Performance Zinc-Plated Steel Thin-Profile Nylon-Insert Locknuts, 6PK X1E-FAS-NUT-LOC-3422x6
X1 Tools

10-32 Performance Zinc-Plated Steel Thin-Profile Nylon-Insert Locknuts, 6PK

Zoro # G222853399
Mfr # X1E-FAS-NUT-LOC-3422x6
product price: 
$1.15
/pk of 6, $0.19/ea
Sold in mult. of 9 pks for $10.35
X1 Tools 10-24 Performance Zinc-Plated Steel Thin-Profile Nylon-Insert Locknuts, 1000PK X1E-FAS-NUT-LOC-3420x1000
X1 Tools

10-24 Performance Zinc-Plated Steel Thin-Profile Nylon-Insert Locknuts, 1000PK

Zoro # G522847630
Mfr # X1E-FAS-NUT-LOC-3420x1000
product price: 
$121.99
/pk of 1000, $0.12/ea
X1 Tools 7/8-9 Hi-Performance Zinc-Plated Steel Nylon-Insert Locknuts, 400PK X1E-FAS-NUT-LOC-1626x400
X1 Tools

7/8-9 Hi-Performance Zinc-Plated Steel Nylon-Insert Locknuts, 400PK

Zoro # G422862900
Mfr # X1E-FAS-NUT-LOC-1626x400
product price: 
$1,515.99
/pk of 400, $3.79/ea
Newport Fasteners Nylon Insert Lock Nut, M10-1.50, Steel, Class 8, Zinc Plated, 750 PK 420424
Newport Fasteners

Nylon Insert Lock Nut, M10-1.50, Steel, Class 8, Zinc Plated, 750 PK

Zoro # G706353186
Mfr # 420424
product price: 
$496.99
/pk of 750, $0.66/ea
X1 Tools 1 1/2-6 Hi-Performance Zinc-Plated Steel Nylon-Insert Locknuts, 15PK X1E-FAS-NUT-LOC-1632x15
X1 Tools

1 1/2-6 Hi-Performance Zinc-Plated Steel Nylon-Insert Locknuts, 15PK

Zoro # G422850402
Mfr # X1E-FAS-NUT-LOC-1632x15
product price: 
$678.99
/pk of 15, $45.27/ea
X1 Tools M12 x 1.75 mm UHP Black-Corrosion-Resistant-Coated Steel Nylon-Insert Locknuts, 12PK X1E-FAS-NUT-LOC-1320x12
X1 Tools

M12 x 1.75 mm UHP Black-Corrosion-Resistant-Coated Steel Nylon-Insert Locknuts, 12PK

Zoro # G822849846
Mfr # X1E-FAS-NUT-LOC-1320x12
product price: 
$119.99
/pk of 12, $10.00/ea
Newport Fasteners Self Clinching Lock Nut, 1/4"-20, Steel, Zinc Plated, 4000 PK 719034
Newport Fasteners

Self Clinching Lock Nut, 1/4"-20, Steel, Zinc Plated, 4000 PK

Zoro # G906372116
Mfr # 719034
product price: 
$2,091.99
/pk of 4000, $0.52/ea
X1 Tools 1/4-28 Ultra Hi Performance Grade 8 Steel Nylon-Insert Locknuts X1E-FAS-NUT-LOC-1412x1
X1 Tools

1/4-28 Ultra Hi Performance Grade 8 Steel Nylon-Insert Locknuts

Zoro # G522848897
Mfr # X1E-FAS-NUT-LOC-1412x1
product price: 
$0.91
/ea
Sold in mult. of 10 for $9.10
Zoro Select Top Lock Distorted Thread Lock Nut, M36-4.00, Steel, Class 8, Zinc Plated, 36 mm Ht, 2 PK M12858.360.0001
Zoro Select

Top Lock Distorted Thread Lock Nut, M36-4.00, Steel, Class 8, Zinc Plated, 36 mm Ht, 2 PK

Zoro # G5715674
Mfr # M12858.360.0001
product price: 
$54.29
/pk of 2, $27.15/ea
X1 Tools 7/16-14 Corrosion-Resistant 316 Stainless Steel Thin-Profile Nylon-Insert Locknuts, 250PK X1E-FAS-NUT-LOC-3926x250
X1 Tools

7/16-14 Corrosion-Resistant 316 Stainless Steel Thin-Profile Nylon-Insert Locknuts, 250PK

Zoro # G122861296
Mfr # X1E-FAS-NUT-LOC-3926x250
product price: 
$431.99
/pk of 250, $1.73/ea
X1 Tools 12-24 Performance Zinc-Plated Steel Thin-Profile Nylon-Insert Locknuts, 100PK X1E-FAS-NUT-LOC-3424x100
X1 Tools

12-24 Performance Zinc-Plated Steel Thin-Profile Nylon-Insert Locknuts, 100PK

Zoro # G322849483
Mfr # X1E-FAS-NUT-LOC-3424x100
product price: 
$21.79
/pk of 100, $0.22/ea
Brighton-Best External Tooth Lock Washer Lock Nut, #8-32, Steel, Class 8, Zinc Plated 858120
Brighton-Best

External Tooth Lock Washer Lock Nut, #8-32, Steel, Class 8, Zinc Plated

Zoro # G602572995
Mfr # 858120
product price: 
$11.69
/ea
Sold in mult. of 3 for $35.07
X1 Tools 3/8-16 UHP Yellow Zinc Plated Grade 8 Steel Thin-Profile Nylon-Insert Locknuts, 6PK X1E-FAS-NUT-LOC-3018x6
X1 Tools

3/8-16 UHP Yellow Zinc Plated Grade 8 Steel Thin-Profile Nylon-Insert Locknuts, 6PK

Zoro # G022862126
Mfr # X1E-FAS-NUT-LOC-3018x6
product price: 
$3.55
/pk of 6, $0.59/ea
Sold in mult. of 3 pks for $10.65
Erickson Locknut/Stopscrew, SEALING RING CDER16060M
Erickson

Locknut/Stopscrew, SEALING RING

Zoro # G3586823
Mfr # CDER16060M
product price: 
$42.79
/ea
X1 Tools 3/8-16 Corrosion-Resistant 18-8 Stainless Steel Thin-Profile Nylon-Insert Locknuts, 500PK X1E-FAS-NUT-LOC-3728x500
X1 Tools

3/8-16 Corrosion-Resistant 18-8 Stainless Steel Thin-Profile Nylon-Insert Locknuts, 500PK

Zoro # G122850399
Mfr # X1E-FAS-NUT-LOC-3728x500
product price: 
$238.99
/pk of 500, $0.48/ea
Auveco Spin Lock Nut withSerrations 3/8-16 Thread 7/8in Diameter - Zinc, 50PK 24116
Auveco

Spin Lock Nut withSerrations 3/8-16 Thread 7/8in Diameter - Zinc, 50PK

Zoro # G824165296
Mfr # 24116
product price: 
$10.55
/pk of 50, $0.21/ea
Zoro Select Serrated Lock Nut, 1/2"-13, 18-8 Stainless Steel, Not Graded, Plain, 5/16 in Ht, 10 PK 4CAN2
Zoro Select

Serrated Lock Nut, 1/2"-13, 18-8 Stainless Steel, Not Graded, Plain, 5/16 in Ht, 10 PK

Zoro # G1750165
Mfr # 4CAN2
product price: 
$10.49
/pk of 10, $1.05/ea
Newport Fasteners Nylon Insert Lock Nut, 3/8"-24, Steel, Grade C, Black Phosphate, 2500 PK 375674-BR-2500
Newport Fasteners

Nylon Insert Lock Nut, 3/8"-24, Steel, Grade C, Black Phosphate, 2500 PK

Zoro # G906327789
Mfr # 375674-BR-2500
product price: 
$805.99
/pk of 2500, $0.32/ea
Huyett Nylon Insert Lock Nut, 9/16-18, Steel, Grade C, Zinc Yellow Hexavalent, 0.64 in Ht NUTH45-0562-0640GC6
Huyett

Nylon Insert Lock Nut, 9/16-18, Steel, Grade C, Zinc Yellow Hexavalent, 0.64 in Ht

Zoro # G513330738
Mfr # NUTH45-0562-0640GC6
product price: 
$0.52
/ea
Sold in mult. of 32 for $16.64
X1 Tools 1/2-13 Performance Zinc-Plated Steel Thin-Profile Nylon-Insert Locknuts, 100PK X1E-FAS-NUT-LOC-3442x100
X1 Tools

1/2-13 Performance Zinc-Plated Steel Thin-Profile Nylon-Insert Locknuts, 100PK

Zoro # G322845294
Mfr # X1E-FAS-NUT-LOC-3442x100
product price: 
$39.49
/pk of 100, $0.39/ea
Flexloc Flexible Top Lock Nut, 1/2"-13, 18-8 Stainless Steel, Not Graded, Plain, 1/8 in Ht, 25 PK 50FKF-813
Flexloc

Flexible Top Lock Nut, 1/2"-13, 18-8 Stainless Steel, Not Graded, Plain, 1/8 in Ht, 25 PK

Zoro # G2478878
Mfr # 50FKF-813
product price: 
$245.99
/pk of 25, $9.84/ea
Kipp Lock Nut, M36, Steel, Class 10, Bright, 11 mm Ht K0701.36
Kipp

Lock Nut, M36, Steel, Class 10, Bright, 11 mm Ht

Zoro # G202052323
Mfr # K0701.36
product price: 
$50.15
/ea
X1 Tools 7/16-14 Corrosion-Resistant 316 Stainless Steel Thin-Profile Nylon-Insert Locknuts, 150PK X1E-FAS-NUT-LOC-3926x150
X1 Tools

7/16-14 Corrosion-Resistant 316 Stainless Steel Thin-Profile Nylon-Insert Locknuts, 150PK

Zoro # G922862745
Mfr # X1E-FAS-NUT-LOC-3926x150
product price: 
$267.99
/pk of 150, $1.79/ea
Lock Nuts (10,000+ items) - Page 20
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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
1/2" 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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