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  7. Lock Nuts

Lock Nuts (10,000+ items) - Page 251

X1 Tools M5 x 0.8 mm Performance Zinc-Plated Steel Nylon-Insert Locknuts, 400PK X1E-FAS-NUT-LOC-1974x400
X1 Tools

M5 x 0.8 mm Performance Zinc-Plated Steel Nylon-Insert Locknuts, 400PK

Zoro # G222863282
Mfr # X1E-FAS-NUT-LOC-1974x400
product price:  $58.99
/pk 400, $0.15/ea
X1 Tools 5/16-24 UHP Black-Oxide Grade 8 Steel Thin-Profile Nylon-Insert Locknuts, 1000PK X1E-FAS-NUT-LOC-3216x1000
X1 Tools

5/16-24 UHP Black-Oxide Grade 8 Steel Thin-Profile Nylon-Insert Locknuts, 1000PK

Zoro # G022860870
Mfr # X1E-FAS-NUT-LOC-3216x1000
product price:  $2,526.99
/pk 1000, $2.53/ea
X1 Tools 1/4-20 Performance Black-Corrosion-Resistant-Coated Steel Nylon-Insert Locknuts, 2PK X1E-FAS-NUT-LOC-2018x2
X1 Tools

1/4-20 Performance Black-Corrosion-Resistant-Coated Steel Nylon-Insert Locknuts, 2PK

Zoro # G522848262
Mfr # X1E-FAS-NUT-LOC-2018x2
product price:  $13.69
/pk 2, $6.85/ea
X1 Tools 5/16-18 Corrosion-Resistant 316 Stainless Steel Nylon-Insert Locknuts, 15PK X1E-FAS-NUT-LOC-2328x15
X1 Tools

5/16-18 Corrosion-Resistant 316 Stainless Steel Nylon-Insert Locknuts, 15PK

Zoro # G222863541
Mfr # X1E-FAS-NUT-LOC-2328x15
product price:  $12.15
/pk 15, $0.81/ea
X1 Tools 1 1/4-12 Ultra Hi Performance Black-Oxide Steel Nylon-Insert Locknuts, 150PK X1E-FAS-NUT-LOC-1256x150
X1 Tools

1 1/4-12 Ultra Hi Performance Black-Oxide Steel Nylon-Insert Locknuts, 150PK

Zoro # G522844776
Mfr # X1E-FAS-NUT-LOC-1256x150
product price:  $6,861.99
/pk 150, $45.75/ea
X1 Tools 1/4-28 Performance Zinc-Plated Steel Thin-Profile Nylon-Insert Locknuts, 500PK X1E-FAS-NUT-LOC-3428x500
X1 Tools

1/4-28 Performance Zinc-Plated Steel Thin-Profile Nylon-Insert Locknuts, 500PK

Zoro # G922855396
Mfr # X1E-FAS-NUT-LOC-3428x500
product price:  $67.39
/pk 500, $0.13/ea
X1 Tools 9/16-18 Performance Zinc-Plated Steel Thin-Profile Nylon-Insert Locknuts, 120PK X1E-FAS-NUT-LOC-3448x120
X1 Tools

9/16-18 Performance Zinc-Plated Steel Thin-Profile Nylon-Insert Locknuts, 120PK

Zoro # G222858196
Mfr # X1E-FAS-NUT-LOC-3448x120
product price:  $66.85
/pk 120, $0.56/ea
X1 Tools 5/8-18 Corrosion-Resistant 18-8 Stainless Steel Nylon-Insert Locknuts, 200PK X1E-FAS-NUT-LOC-2138x200
X1 Tools

5/8-18 Corrosion-Resistant 18-8 Stainless Steel Nylon-Insert Locknuts, 200PK

Zoro # G222863985
Mfr # X1E-FAS-NUT-LOC-2138x200
product price:  $632.99
/pk 200, $3.16/ea
X1 Tools M18 x 2.5 mm Performance Zinc-Plated Steel Thin-Profile Nylon-Insert Locknuts, 75PK X1E-FAS-NUT-LOC-3494x75
X1 Tools

M18 x 2.5 mm Performance Zinc-Plated Steel Thin-Profile Nylon-Insert Locknuts, 75PK

Zoro # G122859323
Mfr # X1E-FAS-NUT-LOC-3494x75
product price:  $1,155.99
/pk 75, $15.41/ea
X1 Tools 7/16-20 Corrosion-Resistant 18-8 Stainless Steel Thin-Profile Nylon-Insert Locknuts, 10PK X1E-FAS-NUT-LOC-3734x10
X1 Tools

7/16-20 Corrosion-Resistant 18-8 Stainless Steel Thin-Profile Nylon-Insert Locknuts, 10PK

Zoro # G222850107
Mfr # X1E-FAS-NUT-LOC-3734x10
product price:  $23.39
/pk 10, $2.34/ea
Zoro Select Lock Nut, 1-3/4"-5, Steel, Grade C, Wax, 0.989 in Ht, 5 PK 175NO
Zoro Select

Lock Nut, 1-3/4"-5, Steel, Grade C, Wax, 0.989 in Ht, 5 PK

Zoro # G2447600
Mfr # 175NO
product price:  $121.99
/pk 5, $24.40/ea
X1 Tools 1/4-20 UHP Black-Oxide Grade 8 Steel Thin-Profile Nylon-Insert Locknuts, 15PK X1E-FAS-NUT-LOC-3210x15
X1 Tools

1/4-20 UHP Black-Oxide Grade 8 Steel Thin-Profile Nylon-Insert Locknuts, 15PK

Zoro # G022851083
Mfr # X1E-FAS-NUT-LOC-3210x15
product price:  $20.99
/pk 15, $1.40/ea
X1 Tools 7/16-20 UHP Yellow Zinc Plated Grade 8 Steel Thin-Profile Nylon-Insert Locknuts, 150PK X1E-FAS-NUT-LOC-3024x150
X1 Tools

7/16-20 UHP Yellow Zinc Plated Grade 8 Steel Thin-Profile Nylon-Insert Locknuts, 150PK

Zoro # G722848376
Mfr # X1E-FAS-NUT-LOC-3024x150
product price:  $134.99
/pk 150, $0.90/ea
X1 Tools 5/8-11 UHP Black-Oxide Grade 8 Steel Thin-Profile Nylon-Insert Locknuts, 150PK X1E-FAS-NUT-LOC-3228x150
X1 Tools

5/8-11 UHP Black-Oxide Grade 8 Steel Thin-Profile Nylon-Insert Locknuts, 150PK

Zoro # G722865762
Mfr # X1E-FAS-NUT-LOC-3228x150
product price:  $725.99
/pk 150, $4.84/ea
X1 Tools 7/8-14 Hi Performance Zinc-Plated Steel Thin-Profile Nylon-Insert Locknuts, 15PK X1E-FAS-NUT-LOC-3318x15
X1 Tools

7/8-14 Hi Performance Zinc-Plated Steel Thin-Profile Nylon-Insert Locknuts, 15PK

Zoro # G422845620
Mfr # X1E-FAS-NUT-LOC-3318x15
product price:  $200.99
/pk 15, $13.40/ea
Newport Fasteners Nylon Insert Lock Nut, 7/16"-14, Steel, Grade A, Yellow Zinc, 2000 PK 412568-BR-2000
Newport Fasteners

Nylon Insert Lock Nut, 7/16"-14, Steel, Grade A, Yellow Zinc, 2000 PK

Zoro # G906329639
Mfr # 412568-BR-2000
product price:  $507.99
/pk 2000, $0.25/ea
X1 Tools 10-32 Black-Oxide C.R. 18-8 Stainless Steel Nylon-Insert Locknuts, 150PK X1E-FAS-NUT-LOC-2228x150
X1 Tools

10-32 Black-Oxide C.R. 18-8 Stainless Steel Nylon-Insert Locknuts, 150PK

Zoro # G622858123
Mfr # X1E-FAS-NUT-LOC-2228x150
product price:  $147.99
/pk 150, $0.99/ea
X1 Tools 9/16-18 Performance Zinc-Plated Steel Nylon-Insert Locknuts, 25PK X1E-FAS-NUT-LOC-1950x25
X1 Tools

9/16-18 Performance Zinc-Plated Steel Nylon-Insert Locknuts, 25PK

Zoro # G722857408
Mfr # X1E-FAS-NUT-LOC-1950x25
product price:  $30.49
/pk 25, $1.22/ea
X1 Tools 1-14 Hi-Performance Zinc-Plated Steel Nylon-Insert Locknuts, 150PK X1E-FAS-NUT-LOC-1629x150
X1 Tools

1-14 Hi-Performance Zinc-Plated Steel Nylon-Insert Locknuts, 150PK

Zoro # G522866105
Mfr # X1E-FAS-NUT-LOC-1629x150
product price:  $1,187.99
/pk 150, $7.92/ea
X1 Tools 5/8-18 Ultra Hi Performance Black-Oxide Steel Nylon-Insert Locknuts, 10PK X1E-FAS-NUT-LOC-1236x10
X1 Tools

5/8-18 Ultra Hi Performance Black-Oxide Steel Nylon-Insert Locknuts, 10PK

Zoro # G722855541
Mfr # X1E-FAS-NUT-LOC-1236x10
product price:  $36.49
/pk 10, $3.65/ea
X1 Tools 10-32 Black-Oxide C.R. 18-8 Stainless Steel Nylon-Insert Locknuts, 100PK X1E-FAS-NUT-LOC-2228x100
X1 Tools

10-32 Black-Oxide C.R. 18-8 Stainless Steel Nylon-Insert Locknuts, 100PK

Zoro # G022866056
Mfr # X1E-FAS-NUT-LOC-2228x100
product price:  $101.99
/pk 100, $1.02/ea
X1 Tools 5/16-18 Corrosion-Resistant 18-8 Stainless Steel Nylon-Insert Locknuts, 150PK X1E-FAS-NUT-LOC-2127x150
X1 Tools

5/16-18 Corrosion-Resistant 18-8 Stainless Steel Nylon-Insert Locknuts, 150PK

Zoro # G422862801
Mfr # X1E-FAS-NUT-LOC-2127x150
product price:  $73.25
/pk 150, $0.49/ea
X1 Tools 7/8-9 Performance Zinc-Plated Steel Nylon-Insert Locknuts, 75PK X1E-FAS-NUT-LOC-1960x75
X1 Tools

7/8-9 Performance Zinc-Plated Steel Nylon-Insert Locknuts, 75PK

Zoro # G122852874
Mfr # X1E-FAS-NUT-LOC-1960x75
product price:  $249.99
/pk 75, $3.33/ea
X1 Tools 1-14 Hi-Performance Zinc-Plated Steel Nylon-Insert Locknuts, 100PK X1E-FAS-NUT-LOC-1629x100
X1 Tools

1-14 Hi-Performance Zinc-Plated Steel Nylon-Insert Locknuts, 100PK

Zoro # G522847968
Mfr # X1E-FAS-NUT-LOC-1629x100
product price:  $808.99
/pk 100, $8.09/ea
X1 Tools 1 1/4-7 Performance Zinc-Plated Steel Nylon-Insert Locknuts, 6PK X1E-FAS-NUT-LOC-1970x6
X1 Tools

1 1/4-7 Performance Zinc-Plated Steel Nylon-Insert Locknuts, 6PK

Zoro # G022852264
Mfr # X1E-FAS-NUT-LOC-1970x6
product price:  $108.99
/pk 6, $18.17/ea
X1 Tools 1-14 Hi Performance Zinc-Plated Steel Thin-Profile Nylon-Insert Locknuts, 2PK X1E-FAS-NUT-LOC-3322x2
X1 Tools

1-14 Hi Performance Zinc-Plated Steel Thin-Profile Nylon-Insert Locknuts, 2PK

Zoro # G422854806
Mfr # X1E-FAS-NUT-LOC-3322x2
product price:  $35.59
/pk 2, $17.80/ea
X1 Tools 1 1/2-12 Ultra Hi Performance Black-Oxide Steel Nylon-Insert Locknuts, 120PK X1E-FAS-NUT-LOC-1262x120
X1 Tools

1 1/2-12 Ultra Hi Performance Black-Oxide Steel Nylon-Insert Locknuts, 120PK

Zoro # G722848253
Mfr # X1E-FAS-NUT-LOC-1262x120
product price:  $8,050.99
/pk 120, $67.09/ea
X1 Tools 2-56 Performance Zinc-Plated Steel Nylon-Insert Locknuts, 1000PK X1E-FAS-NUT-LOC-1910x1000
X1 Tools

2-56 Performance Zinc-Plated Steel Nylon-Insert Locknuts, 1000PK

Zoro # G022856262
Mfr # X1E-FAS-NUT-LOC-1910x1000
product price:  $110.99
/pk 1000, $0.11/ea
X1 Tools M24 x 3 mm Performance Zinc-Plated Steel Thin-Profile Nylon-Insert Locknuts, 250PK X1E-FAS-NUT-LOC-3498x250
X1 Tools

M24 x 3 mm Performance Zinc-Plated Steel Thin-Profile Nylon-Insert Locknuts, 250PK

Zoro # G422857241
Mfr # X1E-FAS-NUT-LOC-3498x250
product price:  $7,377.99
/pk 250, $29.51/ea
X1 Tools 1/4-20 Corrosion-Resistant 316 Stainless Steel Thin-Profile Nylon-Insert Locknuts, 15PK X1E-FAS-NUT-LOC-3914x15
X1 Tools

1/4-20 Corrosion-Resistant 316 Stainless Steel Thin-Profile Nylon-Insert Locknuts, 15PK

Zoro # G722847492
Mfr # X1E-FAS-NUT-LOC-3914x15
product price:  $15.29
/pk 15, $1.02/ea
X1 Tools 10-24 Black-Oxide C.R. 18-8 Stainless Steel Nylon-Insert Locknuts, 4PK X1E-FAS-NUT-LOC-2226x4
X1 Tools

10-24 Black-Oxide C.R. 18-8 Stainless Steel Nylon-Insert Locknuts, 4PK

Zoro # G822847651
Mfr # X1E-FAS-NUT-LOC-2226x4
product price:  $2.15
/pk 4, $0.54/ea
X1 Tools M20 x 2.5 mm Performance Zinc-Plated Steel Nylon-Insert Locknuts, 2PK X1E-FAS-NUT-LOC-1990x2
X1 Tools

M20 x 2.5 mm Performance Zinc-Plated Steel Nylon-Insert Locknuts, 2PK

Zoro # G322852568
Mfr # X1E-FAS-NUT-LOC-1990x2
product price:  $11.45
/pk 2, $5.73/ea
Sold in mult. of 2 for $22.90
X1 Tools 5/16-24 Corrosion-Resistant 316 Stainless Steel Thin-Profile Nylon-Insert Locknuts, 15PK X1E-FAS-NUT-LOC-3920x15
X1 Tools

5/16-24 Corrosion-Resistant 316 Stainless Steel Thin-Profile Nylon-Insert Locknuts, 15PK

Zoro # G722848659
Mfr # X1E-FAS-NUT-LOC-3920x15
product price:  $18.89
/pk 15, $1.26/ea
X1 Tools M20 x 2.5 mm Performance Zinc-Plated Steel Nylon-Insert Locknuts, 4PK X1E-FAS-NUT-LOC-1990x4
X1 Tools

M20 x 2.5 mm Performance Zinc-Plated Steel Nylon-Insert Locknuts, 4PK

Zoro # G022847253
Mfr # X1E-FAS-NUT-LOC-1990x4
product price:  $17.29
/pk 4, $4.32/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 3/8-16 UHP Yellow Zinc Plated Grade 8 Steel Thin-Profile Nylon-Insert Locknuts, 50PK X1E-FAS-NUT-LOC-3018x50
X1 Tools

3/8-16 UHP Yellow Zinc Plated Grade 8 Steel Thin-Profile Nylon-Insert Locknuts, 50PK

Zoro # G222861509
Mfr # X1E-FAS-NUT-LOC-3018x50
product price:  $25.29
/pk 50, $0.51/ea
Lock Nuts (10,000+ items) - Page 251
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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
5/16-24 nutslock nut 5/16-18flanged locknut3/8-16 nuts stainless steel1/2" flange lock nut
nylon-insert locknuts1/4" locking nutn-10 lock nutnylon insert hex nut10mm nuts

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