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  7. Lock Nuts

Lock Nuts (10,000+ items) - Page 170

X1 Tools 1-8 Hi Performance Zinc-Plated Steel Thin-Profile Nylon-Insert Locknuts, 400PK X1E-FAS-NUT-LOC-3320x400
X1 Tools

1-8 Hi Performance Zinc-Plated Steel Thin-Profile Nylon-Insert Locknuts, 400PK

Zoro # G422864805
Mfr # X1E-FAS-NUT-LOC-3320x400
product price: 
$6,077.99
/pk of 400, $15.19/ea
X1 Tools 7/8-14 UHP Yellow Zinc Plated Grade 8 Steel Thin-Profile Nylon-Insert Locknuts, 500PK X1E-FAS-NUT-LOC-3036x500
X1 Tools

7/8-14 UHP Yellow Zinc Plated Grade 8 Steel Thin-Profile Nylon-Insert Locknuts, 500PK

Zoro # G122867809
Mfr # X1E-FAS-NUT-LOC-3036x500
product price: 
$5,785.99
/pk of 500, $11.57/ea
X1 Tools 3/8-16 Corrosion-Resistant 316 Stainless Steel Thin-Profile Nylon-Insert Locknuts, 8PK X1E-FAS-NUT-LOC-3922x8
X1 Tools

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

Zoro # G422860999
Mfr # X1E-FAS-NUT-LOC-3922x8
product price: 
$15.79
/pk of 8, $1.97/ea
X1 Tools 7/16-20 Performance Zinc-Plated Steel Thin-Profile Nylon-Insert Locknuts, 10PK X1E-FAS-NUT-LOC-3440x10
X1 Tools

7/16-20 Performance Zinc-Plated Steel Thin-Profile Nylon-Insert Locknuts, 10PK

Zoro # G322847755
Mfr # X1E-FAS-NUT-LOC-3440x10
product price: 
$3.35
/pk of 10, $0.34/ea
Sold in mult. of 3 pks for $10.05
X1 Tools 1/2-13 Corrosion-Resistant 316 Stainless Steel Nylon-Insert Locknuts, 75PK X1E-FAS-NUT-LOC-2340x75
X1 Tools

1/2-13 Corrosion-Resistant 316 Stainless Steel Nylon-Insert Locknuts, 75PK

Zoro # G522848620
Mfr # X1E-FAS-NUT-LOC-2340x75
product price: 
$145.99
/pk of 75, $1.95/ea
X1 Tools 10-32 Black-Oxide Corrosion-Resistant 18-8 Stainless Steel Thin-Profile Nylon-Insert Locknuts, 10PK X1E-FAS-NUT-LOC-3818x10
X1 Tools

10-32 Black-Oxide Corrosion-Resistant 18-8 Stainless Steel Thin-Profile Nylon-Insert Locknuts, 10PK

Zoro # G522858865
Mfr # X1E-FAS-NUT-LOC-3818x10
product price: 
$11.19
/pk of 10, $1.12/ea
Sold in mult. of 2 pks for $22.38
X1 Tools 6-32 Performance Zinc-Plated Steel Thin-Profile Nylon-Insert Locknuts, 150PK X1E-FAS-NUT-LOC-3416x150
X1 Tools

6-32 Performance Zinc-Plated Steel Thin-Profile Nylon-Insert Locknuts, 150PK

Zoro # G322848875
Mfr # X1E-FAS-NUT-LOC-3416x150
product price: 
$39.85
/pk of 150, $0.27/ea
X1 Tools 5/8-11 Hi Performance Zinc-Plated Steel Thin-Profile Nylon-Insert Locknuts, 250PK X1E-FAS-NUT-LOC-3310x250
X1 Tools

5/8-11 Hi Performance Zinc-Plated Steel Thin-Profile Nylon-Insert Locknuts, 250PK

Zoro # G522866952
Mfr # X1E-FAS-NUT-LOC-3310x250
product price: 
$1,330.99
/pk of 250, $5.32/ea
X1 Tools 3/8-24 Black-Oxide Corrosion-Resistant 18-8 Stainless Steel Thin-Profile Nylon-Insert Locknuts, 25PK X1E-FAS-NUT-LOC-3826x25
X1 Tools

3/8-24 Black-Oxide Corrosion-Resistant 18-8 Stainless Steel Thin-Profile Nylon-Insert Locknuts, 25PK

Zoro # G122866673
Mfr # X1E-FAS-NUT-LOC-3826x25
product price: 
$32.95
/pk of 25, $1.32/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
X1 Tools M10 x 1.5 mm Performance Zinc-Plated Steel Thin-Profile Nylon-Insert Locknuts, 1000PK X1E-FAS-NUT-LOC-3486x1000
X1 Tools

M10 x 1.5 mm Performance Zinc-Plated Steel Thin-Profile Nylon-Insert Locknuts, 1000PK

Zoro # G722849021
Mfr # X1E-FAS-NUT-LOC-3486x1000
product price: 
$1,583.99
/pk of 1000, $1.58/ea
X1 Tools 8-32 Performance Black-Corrosion-Resistant-Coated Steel Thin-Profile Nylon-Insert Locknuts, 200PK X1E-FAS-NUT-LOC-3612x200
X1 Tools

8-32 Performance Black-Corrosion-Resistant-Coated Steel Thin-Profile Nylon-Insert Locknuts, 200PK

Zoro # G822848931
Mfr # X1E-FAS-NUT-LOC-3612x200
product price: 
$685.99
/pk of 200, $3.43/ea
X1 Tools 1/4-28 Corrosion-Resistant 316 Stainless Steel Nylon-Insert Locknuts X1E-FAS-NUT-LOC-2326x1
X1 Tools

1/4-28 Corrosion-Resistant 316 Stainless Steel Nylon-Insert Locknuts

Zoro # G522864460
Mfr # X1E-FAS-NUT-LOC-2326x1
product price: 
$0.97
/ea
Sold in mult. of 10 for $9.70
X1 Tools 3/8-16 Corrosion-Resistant 18-8 Stainless Steel Nylon-Insert Locknuts, 25PK X1E-FAS-NUT-LOC-2129x25
X1 Tools

3/8-16 Corrosion-Resistant 18-8 Stainless Steel Nylon-Insert Locknuts, 25PK

Zoro # G822847286
Mfr # X1E-FAS-NUT-LOC-2129x25
product price: 
$22.39
/pk of 25, $0.90/ea
X1 Tools 6-32 Corrosion-Resistant 18-8 Stainless Steel Nylon-Insert Locknuts, 12PK X1E-FAS-NUT-LOC-2117x12
X1 Tools

6-32 Corrosion-Resistant 18-8 Stainless Steel Nylon-Insert Locknuts, 12PK

Zoro # G722852533
Mfr # X1E-FAS-NUT-LOC-2117x12
product price: 
$2.45
/pk of 12, $0.20/ea
Sold in mult. of 4 pks for $9.80
X1 Tools 1 1/4-12 UHP Black-Oxide Grade 8 Steel Thin-Profile Nylon-Insert Locknuts, 2PK X1E-FAS-NUT-LOC-3238x2
X1 Tools

1 1/4-12 UHP Black-Oxide Grade 8 Steel Thin-Profile Nylon-Insert Locknuts, 2PK

Zoro # G222856246
Mfr # X1E-FAS-NUT-LOC-3238x2
product price: 
$64.65
/pk of 2, $32.33/ea
X1 Tools 1-8 Corrosion-Resistant 18-8 Stainless Steel Nylon-Insert Locknuts, 50PK X1E-FAS-NUT-LOC-2143x50
X1 Tools

1-8 Corrosion-Resistant 18-8 Stainless Steel Nylon-Insert Locknuts, 50PK

Zoro # G722845627
Mfr # X1E-FAS-NUT-LOC-2143x50
product price: 
$673.99
/pk of 50, $13.48/ea
X1 Tools M16 x 2 mm Performance Zinc-Plated Steel Thin-Profile Nylon-Insert Locknuts, 250PK X1E-FAS-NUT-LOC-3492x250
X1 Tools

M16 x 2 mm Performance Zinc-Plated Steel Thin-Profile Nylon-Insert Locknuts, 250PK

Zoro # G522852337
Mfr # X1E-FAS-NUT-LOC-3492x250
product price: 
$1,699.99
/pk of 250, $6.80/ea
X1 Tools M20 x 2.5 mm Performance Zinc-Plated Steel Nylon-Insert Locknuts, 50PK X1E-FAS-NUT-LOC-1990x50
X1 Tools

M20 x 2.5 mm Performance Zinc-Plated Steel Nylon-Insert Locknuts, 50PK

Zoro # G622848247
Mfr # X1E-FAS-NUT-LOC-1990x50
product price: 
$148.99
/pk of 50, $2.98/ea
X1 Tools 10-32 Corrosion-Resistant 316 Stainless Steel Thin-Profile Nylon-Insert Locknuts, 6PK X1E-FAS-NUT-LOC-3912x6
X1 Tools

10-32 Corrosion-Resistant 316 Stainless Steel Thin-Profile Nylon-Insert Locknuts, 6PK

Zoro # G622845239
Mfr # X1E-FAS-NUT-LOC-3912x6
product price: 
$6.35
/pk of 6, $1.06/ea
Sold in mult. of 2 pks for $12.70
X1 Tools 1-8 Performance Zinc-Plated Steel Thin-Profile Nylon-Insert Locknuts, 10PK X1E-FAS-NUT-LOC-3462x10
X1 Tools

1-8 Performance Zinc-Plated Steel Thin-Profile Nylon-Insert Locknuts, 10PK

Zoro # G422864836
Mfr # X1E-FAS-NUT-LOC-3462x10
product price: 
$57.15
/pk of 10, $5.72/ea
X1 Tools 10-32 Performance Zinc-Plated Steel Nylon-Insert Locknuts, 1000PK X1E-FAS-NUT-LOC-1924x1000
X1 Tools

10-32 Performance Zinc-Plated Steel Nylon-Insert Locknuts, 1000PK

Zoro # G722850355
Mfr # X1E-FAS-NUT-LOC-1924x1000
product price: 
$108.99
/pk of 1000, $0.11/ea
X1 Tools 6-32 Black-Oxide Corrosion-Resistant 18-8 Stainless Steel Thin-Profile Nylon-Insert Locknuts, 1000PK X1E-FAS-NUT-LOC-3812x1000
X1 Tools

6-32 Black-Oxide Corrosion-Resistant 18-8 Stainless Steel Thin-Profile Nylon-Insert Locknuts, 1000PK

Zoro # G022855258
Mfr # X1E-FAS-NUT-LOC-3812x1000
product price: 
$382.99
/pk of 1000, $0.38/ea
X1 Tools 9/16-18 Corrosion-Resistant 18-8 Stainless Steel Thin-Profile Nylon-Insert Locknuts, 50PK X1E-FAS-NUT-LOC-3740x50
X1 Tools

9/16-18 Corrosion-Resistant 18-8 Stainless Steel Thin-Profile Nylon-Insert Locknuts, 50PK

Zoro # G522858148
Mfr # X1E-FAS-NUT-LOC-3740x50
product price: 
$2,529.99
/pk of 50, $50.60/ea
X1 Tools 3/4-16 Hi Performance Zinc-Plated Steel Thin-Profile Nylon-Insert Locknuts, 75PK X1E-FAS-NUT-LOC-3316x75
X1 Tools

3/4-16 Hi Performance Zinc-Plated Steel Thin-Profile Nylon-Insert Locknuts, 75PK

Zoro # G322866138
Mfr # X1E-FAS-NUT-LOC-3316x75
product price: 
$174.99
/pk of 75, $2.33/ea
X1 Tools 10-32 Performance Zinc-Plated Steel Thin-Profile Nylon-Insert Locknuts, 4PK X1E-FAS-NUT-LOC-3422x4
X1 Tools

10-32 Performance Zinc-Plated Steel Thin-Profile Nylon-Insert Locknuts, 4PK

Zoro # G522856366
Mfr # X1E-FAS-NUT-LOC-3422x4
product price: 
$0.88
/pk of 4, $0.22/ea
Sold in mult. of 11 pks for $9.68
X1 Tools 3/4-16 Performance Zinc-Plated Steel Nylon-Insert Locknuts, 250PK X1E-FAS-NUT-LOC-1958x250
X1 Tools

3/4-16 Performance Zinc-Plated Steel Nylon-Insert Locknuts, 250PK

Zoro # G722867759
Mfr # X1E-FAS-NUT-LOC-1958x250
product price: 
$449.99
/pk of 250, $1.80/ea
X1 Tools 3/8-16 Corrosion-Resistant 18-8 Stainless Steel Thin-Profile Nylon-Insert Locknuts, 25PK X1E-FAS-NUT-LOC-3728x25
X1 Tools

3/8-16 Corrosion-Resistant 18-8 Stainless Steel Thin-Profile Nylon-Insert Locknuts, 25PK

Zoro # G722864543
Mfr # X1E-FAS-NUT-LOC-3728x25
product price: 
$17.49
/pk of 25, $0.70/ea
X1 Tools M10 x 1.5 mm Performance Zinc-Plated Steel Thin-Profile Nylon-Insert Locknuts, 500PK X1E-FAS-NUT-LOC-3486x500
X1 Tools

M10 x 1.5 mm Performance Zinc-Plated Steel Thin-Profile Nylon-Insert Locknuts, 500PK

Zoro # G922849555
Mfr # X1E-FAS-NUT-LOC-3486x500
product price: 
$803.99
/pk of 500, $1.61/ea
X1 Tools 1 1/2-6 Hi Performance Zinc-Plated Steel Thin-Profile Nylon-Insert Locknuts, 120PK X1E-FAS-NUT-LOC-3330x120
X1 Tools

1 1/2-6 Hi Performance Zinc-Plated Steel Thin-Profile Nylon-Insert Locknuts, 120PK

Zoro # G522857349
Mfr # X1E-FAS-NUT-LOC-3330x120
product price: 
$6,778.99
/pk of 120, $56.49/ea
X1 Tools 12-24 Performance Zinc-Plated Steel Nylon-Insert Locknuts X1E-FAS-NUT-LOC-1926x1
X1 Tools

12-24 Performance Zinc-Plated Steel Nylon-Insert Locknuts

Zoro # G322867609
Mfr # X1E-FAS-NUT-LOC-1926x1
product price: 
$0.63
/ea
Sold in mult. of 15 for $9.45
X1 Tools 1/2-20 Corrosion-Resistant 316 Stainless Steel Thin-Profile Nylon-Insert Locknuts, 20PK X1E-FAS-NUT-LOC-3932x20
X1 Tools

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

Zoro # G222849620
Mfr # X1E-FAS-NUT-LOC-3932x20
product price: 
$60.49
/pk of 20, $3.02/ea
X1 Tools 2-56 Performance Zinc-Plated Steel Thin-Profile Nylon-Insert Locknuts, 150PK X1E-FAS-NUT-LOC-3410x150
X1 Tools

2-56 Performance Zinc-Plated Steel Thin-Profile Nylon-Insert Locknuts, 150PK

Zoro # G922861595
Mfr # X1E-FAS-NUT-LOC-3410x150
product price: 
$72.25
/pk of 150, $0.48/ea
X1 Tools M14 x 2 mm Performance Zinc-Plated Steel Thin-Profile Nylon-Insert Locknuts, 120PK X1E-FAS-NUT-LOC-3490x120
X1 Tools

M14 x 2 mm Performance Zinc-Plated Steel Thin-Profile Nylon-Insert Locknuts, 120PK

Zoro # G622859205
Mfr # X1E-FAS-NUT-LOC-3490x120
product price: 
$425.99
/pk of 120, $3.55/ea
X1 Tools 1/4-28 Ultra Hi Performance Black-Oxide Steel Nylon-Insert Locknuts, 20PK X1E-FAS-NUT-LOC-1212x20
X1 Tools

1/4-28 Ultra Hi Performance Black-Oxide Steel Nylon-Insert Locknuts, 20PK

Zoro # G022849981
Mfr # X1E-FAS-NUT-LOC-1212x20
product price: 
$14.99
/pk of 20, $0.75/ea
Zoro Select Lock Nut, 5/16"-18, 18-8 Stainless Steel, Not Graded, 125 PK 31NXLTH188
Zoro Select

Lock Nut, 5/16"-18, 18-8 Stainless Steel, Not Graded, 125 PK

Zoro # G2454695
Mfr # 31NXLTH188
product price: 
$421.99
/pk of 125, $3.38/ea
Lock Nuts (10,000+ items) - Page 170
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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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