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  7. Lock Nuts

Lock Nuts (10,000+ items) - Page 250

X1 Tools 5/8-11 Corrosion-Resistant 18-8 Stainless Steel Nylon-Insert Locknuts, 150PK X1E-FAS-NUT-LOC-2137x150
X1 Tools

5/8-11 Corrosion-Resistant 18-8 Stainless Steel Nylon-Insert Locknuts, 150PK

Zoro # G622850981
Mfr # X1E-FAS-NUT-LOC-2137x150
product price:  $440.99
/pk 150, $2.94/ea
No Product Image Available
Zoro Select

Lock Nut, Steel, 13/32", PK5

Zoro # G422963737
Mfr # FLHNFI0627-005P
product price:  $27.59
/pk 5, $5.52/ea
X1 Tools 5/8-18 Corrosion-Resistant 18-8 Stainless Steel Nylon-Insert Locknuts, 15PK X1E-FAS-NUT-LOC-2138x15
X1 Tools

5/8-18 Corrosion-Resistant 18-8 Stainless Steel Nylon-Insert Locknuts, 15PK

Zoro # G122862071
Mfr # X1E-FAS-NUT-LOC-2138x15
product price:  $57.15
/pk 15, $3.81/ea
X1 Tools 5/8-11 Hi Performance Zinc-Plated Steel Thin-Profile Nylon-Insert Locknuts, 200PK X1E-FAS-NUT-LOC-3310x200
X1 Tools

5/8-11 Hi Performance Zinc-Plated Steel Thin-Profile Nylon-Insert Locknuts, 200PK

Zoro # G922846011
Mfr # X1E-FAS-NUT-LOC-3310x200
product price:  $1,072.99
/pk 200, $5.36/ea
X1 Tools 5/8-11 Performance Zinc-Plated Steel Thin-Profile Nylon-Insert Locknuts, 20PK X1E-FAS-NUT-LOC-3450x20
X1 Tools

5/8-11 Performance Zinc-Plated Steel Thin-Profile Nylon-Insert Locknuts, 20PK

Zoro # G422866359
Mfr # X1E-FAS-NUT-LOC-3450x20
product price:  $22.15
/pk 20, $1.11/ea
X1 Tools 1-14 Performance Zinc-Plated Steel Nylon-Insert Locknuts, 20PK X1E-FAS-NUT-LOC-1966x20
X1 Tools

1-14 Performance Zinc-Plated Steel Nylon-Insert Locknuts, 20PK

Zoro # G222853511
Mfr # X1E-FAS-NUT-LOC-1966x20
product price:  $118.99
/pk 20, $5.95/ea
No Product Image Available
Zoro Select

Lock Nut, Steel, PK15

Zoro # G622963353
Mfr # FLHN00800CAD-015P
product price:  $23.15
/pk 15, $1.54/ea
X1 Tools 1 1/8-7 Corrosion-Resistant 18-8 Stainless Steel Nylon-Insert Locknuts, 12PK X1E-FAS-NUT-LOC-2146x12
X1 Tools

1 1/8-7 Corrosion-Resistant 18-8 Stainless Steel Nylon-Insert Locknuts, 12PK

Zoro # G922851763
Mfr # X1E-FAS-NUT-LOC-2146x12
product price:  $289.99
/pk 12, $24.17/ea
X1 Tools 3/4-16 Performance Zinc-Plated Steel Thin-Profile Nylon-Insert Locknuts, 12PK X1E-FAS-NUT-LOC-3456x12
X1 Tools

3/4-16 Performance Zinc-Plated Steel Thin-Profile Nylon-Insert Locknuts, 12PK

Zoro # G522845056
Mfr # X1E-FAS-NUT-LOC-3456x12
product price:  $30.95
/pk 12, $2.58/ea
X1 Tools 1-8 Hi-Performance Zinc-Plated Steel Nylon-Insert Locknuts, 150PK X1E-FAS-NUT-LOC-1628x150
X1 Tools

1-8 Hi-Performance Zinc-Plated Steel Nylon-Insert Locknuts, 150PK

Zoro # G322846598
Mfr # X1E-FAS-NUT-LOC-1628x150
product price:  $1,220.99
/pk 150, $8.14/ea
Newport Fasteners Nylon Insert Lock Nut, 1-1/2"-6, Steel, Grade A, Zinc Plated, 30 PK 427913-BR-30
Newport Fasteners

Nylon Insert Lock Nut, 1-1/2"-6, Steel, Grade A, Zinc Plated, 30 PK

Zoro # G606327539
Mfr # 427913-BR-30
product price:  $525.99
/pk 30, $17.53/ea
X1 Tools 5/16-24 UHP Yellow Zinc Plated Grade 8 Steel Thin-Profile Nylon-Insert Locknuts, 12PK X1E-FAS-NUT-LOC-3016x12
X1 Tools

5/16-24 UHP Yellow Zinc Plated Grade 8 Steel Thin-Profile Nylon-Insert Locknuts, 12PK

Zoro # G922846738
Mfr # X1E-FAS-NUT-LOC-3016x12
product price:  $36.65
/pk 12, $3.05/ea
X1 Tools 3/8-24 Ultra Hi Performance Black-Oxide Steel Nylon-Insert Locknuts, 50PK X1E-FAS-NUT-LOC-1220x50
X1 Tools

3/8-24 Ultra Hi Performance Black-Oxide Steel Nylon-Insert Locknuts, 50PK

Zoro # G122846569
Mfr # X1E-FAS-NUT-LOC-1220x50
product price:  $45.19
/pk 50, $0.90/ea
X1 Tools 1/2-20 Corrosion-Resistant 18-8 Stainless Steel Thin-Profile Nylon-Insert Locknuts, 20PK X1E-FAS-NUT-LOC-3738x20
X1 Tools

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

Zoro # G322866206
Mfr # X1E-FAS-NUT-LOC-3738x20
product price:  $44.99
/pk 20, $2.25/ea
Oxoxo 5/8-11 Regular Flange Top Lock Hex Nut Grade G Zinc Yellow, 300PK 526223
Oxoxo

5/8-11 Regular Flange Top Lock Hex Nut Grade G Zinc Yellow, 300PK

Zoro # G722698452
Mfr # 526223
product price:  $504.99
/pk 300, $1.68/ea
X1 Tools 5/16-24 UHP Black-Oxide Grade 8 Steel Thin-Profile Nylon-Insert Locknuts, 200PK X1E-FAS-NUT-LOC-3216x200
X1 Tools

5/16-24 UHP Black-Oxide Grade 8 Steel Thin-Profile Nylon-Insert Locknuts, 200PK

Zoro # G822857407
Mfr # X1E-FAS-NUT-LOC-3216x200
product price:  $524.99
/pk 200, $2.62/ea
X1 Tools M12 x 1.75 mm Performance Zinc-Plated Steel Thin-Profile Nylon-Insert Locknuts, 100PK X1E-FAS-NUT-LOC-3488x100
X1 Tools

M12 x 1.75 mm Performance Zinc-Plated Steel Thin-Profile Nylon-Insert Locknuts, 100PK

Zoro # G522852900
Mfr # X1E-FAS-NUT-LOC-3488x100
product price:  $268.99
/pk 100, $2.69/ea
X1 Tools 1/4-20 Black-Oxide C.R. 18-8 Stainless Steel Nylon-Insert Locknuts, 12PK X1E-FAS-NUT-LOC-2232x12
X1 Tools

1/4-20 Black-Oxide C.R. 18-8 Stainless Steel Nylon-Insert Locknuts, 12PK

Zoro # G322861843
Mfr # X1E-FAS-NUT-LOC-2232x12
product price:  $13.45
/pk 12, $1.12/ea
X1 Tools 7/16-14 Corrosion-Resistant 316 Stainless Steel Thin-Profile Nylon-Insert Locknuts, 15PK X1E-FAS-NUT-LOC-3926x15
X1 Tools

7/16-14 Corrosion-Resistant 316 Stainless Steel Thin-Profile Nylon-Insert Locknuts, 15PK

Zoro # G622864636
Mfr # X1E-FAS-NUT-LOC-3926x15
product price:  $33.25
/pk 15, $2.22/ea
X1 Tools 5/16-24 UHP Black-Oxide Grade 8 Steel Thin-Profile Nylon-Insert Locknuts, 150PK X1E-FAS-NUT-LOC-3216x150
X1 Tools

5/16-24 UHP Black-Oxide Grade 8 Steel Thin-Profile Nylon-Insert Locknuts, 150PK

Zoro # G722850553
Mfr # X1E-FAS-NUT-LOC-3216x150
product price:  $396.99
/pk 150, $2.65/ea
X1 Tools 1 1/8-7 Hi Performance Zinc-Plated Steel Thin-Profile Nylon-Insert Locknuts, 2PK X1E-FAS-NUT-LOC-3324x2
X1 Tools

1 1/8-7 Hi Performance Zinc-Plated Steel Thin-Profile Nylon-Insert Locknuts, 2PK

Zoro # G622866296
Mfr # X1E-FAS-NUT-LOC-3324x2
product price:  $80.65
/pk 2, $40.33/ea
X1 Tools 1/4-20 Ultra Hi Performance Black-Oxide Steel Nylon-Insert Locknuts, 50PK X1E-FAS-NUT-LOC-1210x50
X1 Tools

1/4-20 Ultra Hi Performance Black-Oxide Steel Nylon-Insert Locknuts, 50PK

Zoro # G822851719
Mfr # X1E-FAS-NUT-LOC-1210x50
product price:  $28.79
/pk 50, $0.58/ea
X1 Tools 1/2-13 Corrosion-Resistant 18-8 Stainless Steel Nylon-Insert Locknuts, 200PK X1E-FAS-NUT-LOC-2133x200
X1 Tools

1/2-13 Corrosion-Resistant 18-8 Stainless Steel Nylon-Insert Locknuts, 200PK

Zoro # G722854094
Mfr # X1E-FAS-NUT-LOC-2133x200
product price:  $270.99
/pk 200, $1.35/ea
X1 Tools 3/4-10 Performance Zinc-Plated Steel Thin-Profile Nylon-Insert Locknuts, 10PK X1E-FAS-NUT-LOC-3454x10
X1 Tools

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

Zoro # G122847344
Mfr # X1E-FAS-NUT-LOC-3454x10
product price:  $25.65
/pk 10, $2.57/ea
X1 Tools 5/8-18 Performance Zinc-Plated Steel Thin-Profile Nylon-Insert Locknuts, 2PK X1E-FAS-NUT-LOC-3452x2
X1 Tools

5/8-18 Performance Zinc-Plated Steel Thin-Profile Nylon-Insert Locknuts, 2PK

Zoro # G722864482
Mfr # X1E-FAS-NUT-LOC-3452x2
product price:  $2.25
/pk 2, $1.13/ea
X1 Tools 1/2-20 Corrosion-Resistant 18-8 Stainless Steel Nylon-Insert Locknuts, 2PK X1E-FAS-NUT-LOC-2134x2
X1 Tools

1/2-20 Corrosion-Resistant 18-8 Stainless Steel Nylon-Insert Locknuts, 2PK

Zoro # G622848230
Mfr # X1E-FAS-NUT-LOC-2134x2
product price:  $5.25
/pk 2, $2.63/ea
X1 Tools 7/16-20 Performance Zinc-Plated Steel Thin-Profile Nylon-Insert Locknuts, 500PK X1E-FAS-NUT-LOC-3440x500
X1 Tools

7/16-20 Performance Zinc-Plated Steel Thin-Profile Nylon-Insert Locknuts, 500PK

Zoro # G822845008
Mfr # X1E-FAS-NUT-LOC-3440x500
product price:  $124.99
/pk 500, $0.25/ea
Newport Fasteners Nylon Insert Lock Nut, M12-1.75, Steel, Class 8, Zinc Plated, 50 PK 547790-PR-50
Newport Fasteners

Nylon Insert Lock Nut, M12-1.75, Steel, Class 8, Zinc Plated, 50 PK

Zoro # G206329827
Mfr # 547790-PR-50
product price:  $57.15
/pk 50, $1.14/ea
X1 Tools 1/2-20 Corrosion-Resistant 18-8 Stainless Steel Nylon-Insert Locknuts, 25PK X1E-FAS-NUT-LOC-2134x25
X1 Tools

1/2-20 Corrosion-Resistant 18-8 Stainless Steel Nylon-Insert Locknuts, 25PK

Zoro # G322851332
Mfr # X1E-FAS-NUT-LOC-2134x25
product price:  $53.59
/pk 25, $2.14/ea
Newport Fasteners Serrated Lock Nut, 3/4"-10, Steel, Zinc Plated, 0.46 in Ht, 100 PK 693618
Newport Fasteners

Serrated Lock Nut, 3/4"-10, Steel, Zinc Plated, 0.46 in Ht, 100 PK

Zoro # G606309023
Mfr # 693618
product price:  $214.99
/pk 100, $2.15/ea
X1 Tools 1/2-20 Ultra H.P. Yellow Zinc Plated Grade 8 Steel Nylon-Insert Locknuts, 200PK X1E-FAS-NUT-LOC-1028x200
X1 Tools

1/2-20 Ultra H.P. Yellow Zinc Plated Grade 8 Steel Nylon-Insert Locknuts, 200PK

Zoro # G722846792
Mfr # X1E-FAS-NUT-LOC-1028x200
product price:  $289.99
/pk 200, $1.45/ea
X1 Tools 7/8-9 Performance Zinc-Plated Steel Nylon-Insert Locknuts, 6PK X1E-FAS-NUT-LOC-1960x6
X1 Tools

7/8-9 Performance Zinc-Plated Steel Nylon-Insert Locknuts, 6PK

Zoro # G422851126
Mfr # X1E-FAS-NUT-LOC-1960x6
product price:  $27.99
/pk 6, $4.67/ea
X1 Tools 3/8-16 Corrosion-Resistant 316 Stainless Steel Nylon-Insert Locknuts, 75PK X1E-FAS-NUT-LOC-2332x75
X1 Tools

3/8-16 Corrosion-Resistant 316 Stainless Steel Nylon-Insert Locknuts, 75PK

Zoro # G922847667
Mfr # X1E-FAS-NUT-LOC-2332x75
product price:  $59.99
/pk 75, $0.80/ea
X1 Tools 1 1/4-12 UHP Yellow Zinc Plated Grade 8 Steel Thin-Profile Nylon-Insert Locknuts, 4PK X1E-FAS-NUT-LOC-3040x4
X1 Tools

1 1/4-12 UHP Yellow Zinc Plated Grade 8 Steel Thin-Profile Nylon-Insert Locknuts, 4PK

Zoro # G222866498
Mfr # X1E-FAS-NUT-LOC-3040x4
product price:  $111.99
/pk 4, $28.00/ea
X1 Tools 1-8 Hi-Performance Zinc-Plated Steel Nylon-Insert Locknuts, 1000PK X1E-FAS-NUT-LOC-1628x1000
X1 Tools

1-8 Hi-Performance Zinc-Plated Steel Nylon-Insert Locknuts, 1000PK

Zoro # G722853202
Mfr # X1E-FAS-NUT-LOC-1628x1000
product price:  $7,753.99
/pk 1000, $7.75/ea
X1 Tools 1 1/8-7 Performance Zinc-Plated Steel Nylon-Insert Locknuts, 6PK X1E-FAS-NUT-LOC-1968x6
X1 Tools

1 1/8-7 Performance Zinc-Plated Steel Nylon-Insert Locknuts, 6PK

Zoro # G822856608
Mfr # X1E-FAS-NUT-LOC-1968x6
product price:  $61.65
/pk 6, $10.28/ea
Lock Nuts (10,000+ items) - Page 250
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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
3/8" flange nutsserrated flange lock nut1/4-20 stainless steel nutdistorted thread lock nutnylon-insert locknuts
lock nut nylon insertflanged locknut5/8-18 flange nut3/8-16 nuts stainless steellock nut 5/16-18

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