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  7. Lock Nuts

Lock Nuts (10,000+ items) - Page 233

X1 Tools 7/16-20 UHP Black-Oxide Grade 8 Steel Thin-Profile Nylon-Insert Locknuts, 200PK X1E-FAS-NUT-LOC-3222x200
X1 Tools

7/16-20 UHP Black-Oxide Grade 8 Steel Thin-Profile Nylon-Insert Locknuts, 200PK

Zoro # G522862695
Mfr # X1E-FAS-NUT-LOC-3222x200
product price:  $436.99
/pk 200, $2.18/ea
X1 Tools 1 1/8-7 Hi-Performance Zinc-Plated Steel Nylon-Insert Locknuts, 75PK X1E-FAS-NUT-LOC-1630x75
X1 Tools

1 1/8-7 Hi-Performance Zinc-Plated Steel Nylon-Insert Locknuts, 75PK

Zoro # G022863734
Mfr # X1E-FAS-NUT-LOC-1630x75
product price:  $900.99
/pk 75, $12.01/ea
X1 Tools 5/16-18 Performance Black-Corrosion-Resistant-Coated Steel Nylon-Ins. Locknuts, 25PK X1E-FAS-NUT-LOC-2020x25
X1 Tools

5/16-18 Performance Black-Corrosion-Resistant-Coated Steel Nylon-Ins. Locknuts, 25PK

Zoro # G522847623
Mfr # X1E-FAS-NUT-LOC-2020x25
product price:  $106.99
/pk 25, $4.28/ea
Morton Knurled Jam Nut, 5/16in-18 Thread Size, 3/8in Height, 1in Diameter KN-31
Morton

Knurled Jam Nut, 5/16in-18 Thread Size, 3/8in Height, 1in Diameter

Zoro # G915543613
Mfr # KN-31
product price:  $5.35
/ea
Sold in mult. of 5 for $26.75
X1 Tools 1 1/8-7 Corrosion-Resistant 18-8 Stainless Steel Thin-Profile Nylon-Insert Locknuts, 200PK X1E-FAS-NUT-LOC-3758x200
X1 Tools

1 1/8-7 Corrosion-Resistant 18-8 Stainless Steel Thin-Profile Nylon-Insert Locknuts, 200PK

Zoro # G522861711
Mfr # X1E-FAS-NUT-LOC-3758x200
product price:  $7,544.99
/pk 200, $37.72/ea
X1 Tools 3/8-24 Corrosion-Resistant 18-8 Stainless Steel Thin-Profile Nylon-Insert Locknuts, 6PK X1E-FAS-NUT-LOC-3730x6
X1 Tools

3/8-24 Corrosion-Resistant 18-8 Stainless Steel Thin-Profile Nylon-Insert Locknuts, 6PK

Zoro # G622859946
Mfr # X1E-FAS-NUT-LOC-3730x6
product price:  $4.79
/pk 6, $0.80/ea
Sold in mult. of 2 for $9.58
X1 Tools 6-32 Corrosion-Resistant 18-8 Stainless Steel Thin-Profile Nylon-Insert Locknuts, 120PK X1E-FAS-NUT-LOC-3712x120
X1 Tools

6-32 Corrosion-Resistant 18-8 Stainless Steel Thin-Profile Nylon-Insert Locknuts, 120PK

Zoro # G522850432
Mfr # X1E-FAS-NUT-LOC-3712x120
product price:  $31.99
/pk 120, $0.27/ea
X1 Tools 5/8-18 Corrosion-Resistant 18-8 Stainless Steel Nylon-Insert Locknuts, 25PK X1E-FAS-NUT-LOC-2138x25
X1 Tools

5/8-18 Corrosion-Resistant 18-8 Stainless Steel Nylon-Insert Locknuts, 25PK

Zoro # G222858851
Mfr # X1E-FAS-NUT-LOC-2138x25
product price:  $92.65
/pk 25, $3.71/ea
X1 Tools 8-32 Performance Zinc-Plated Steel Thin-Profile Nylon-Insert Locknuts, 200PK X1E-FAS-NUT-LOC-3418x200
X1 Tools

8-32 Performance Zinc-Plated Steel Thin-Profile Nylon-Insert Locknuts, 200PK

Zoro # G322860037
Mfr # X1E-FAS-NUT-LOC-3418x200
product price:  $23.79
/pk 200, $0.12/ea
X1 Tools 3/8-24 Corrosion-Resistant 316 Stainless Steel Thin-Profile Nylon-Insert Locknuts, 250PK X1E-FAS-NUT-LOC-3924x250
X1 Tools

3/8-24 Corrosion-Resistant 316 Stainless Steel Thin-Profile Nylon-Insert Locknuts, 250PK

Zoro # G722856180
Mfr # X1E-FAS-NUT-LOC-3924x250
product price:  $293.99
/pk 250, $1.18/ea
X1 Tools 3/8-16 Black-Oxide C.R. 18-8 Stainless Steel Nylon-Insert Locknuts, 15PK X1E-FAS-NUT-LOC-2240x15
X1 Tools

3/8-16 Black-Oxide C.R. 18-8 Stainless Steel Nylon-Insert Locknuts, 15PK

Zoro # G122851594
Mfr # X1E-FAS-NUT-LOC-2240x15
product price:  $29.15
/pk 15, $1.94/ea
X1 Tools 5/16-24 Corrosion-Resistant 316 Stainless Steel Thin-Profile Nylon-Insert Locknuts, 6PK X1E-FAS-NUT-LOC-3920x6
X1 Tools

5/16-24 Corrosion-Resistant 316 Stainless Steel Thin-Profile Nylon-Insert Locknuts, 6PK

Zoro # G422861804
Mfr # X1E-FAS-NUT-LOC-3920x6
product price:  $11.49
/pk 6, $1.92/ea
Sold in mult. of 2 for $22.98
X1 Tools 1 1/8-7 Hi Performance Zinc-Plated Steel Thin-Profile Nylon-Insert Locknuts, 8PK X1E-FAS-NUT-LOC-3324x8
X1 Tools

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

Zoro # G822849549
Mfr # X1E-FAS-NUT-LOC-3324x8
product price:  $300.99
/pk 8, $37.62/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 120, $3.55/ea
Zoro Select Lock Nut, Steel, 9/32", PK10 FLHNI050CAD-010P
Zoro Select

Lock Nut, Steel, 9/32", PK10

Zoro # G522963620
Mfr # FLHNI050CAD-010P
product price:  $24.79
/pk 10, $2.48/ea
X1 Tools 5/8-18 Performance Zinc-Plated Steel Nylon-Insert Locknuts, 50PK X1E-FAS-NUT-LOC-1954x50
X1 Tools

5/8-18 Performance Zinc-Plated Steel Nylon-Insert Locknuts, 50PK

Zoro # G022864908
Mfr # X1E-FAS-NUT-LOC-1954x50
product price:  $67.85
/pk 50, $1.36/ea
X1 Tools 1/2-20 Ultra H.P. Yellow Zinc Plated Grade 8 Steel Nylon-Insert Locknuts, 400PK X1E-FAS-NUT-LOC-1028x400
X1 Tools

1/2-20 Ultra H.P. Yellow Zinc Plated Grade 8 Steel Nylon-Insert Locknuts, 400PK

Zoro # G722847560
Mfr # X1E-FAS-NUT-LOC-1028x400
product price:  $780.99
/pk 400, $1.95/ea
X1 Tools 5/16-24 UHP Black-Oxide Grade 8 Steel Thin-Profile Nylon-Insert Locknuts, 400PK X1E-FAS-NUT-LOC-3216x400
X1 Tools

5/16-24 UHP Black-Oxide Grade 8 Steel Thin-Profile Nylon-Insert Locknuts, 400PK

Zoro # G222858219
Mfr # X1E-FAS-NUT-LOC-3216x400
product price:  $1,033.99
/pk 400, $2.58/ea
X1 Tools 5/16-18 Black-Oxide Corrosion-Resistant 18-8 Stainless Steel Thin-Profile Nylon-Insert Locknuts X1E-FAS-NUT-LOC-3822x1
X1 Tools

5/16-18 Black-Oxide Corrosion-Resistant 18-8 Stainless Steel Thin-Profile Nylon-Insert Locknuts

Zoro # G222845905
Mfr # X1E-FAS-NUT-LOC-3822x1
product price:  $1.55
/ea
Sold in mult. of 6 for $9.30
X1 Tools 3/8-24 UHP Black-Oxide Grade 8 Steel Thin-Profile Nylon-Insert Locknuts, 12PK X1E-FAS-NUT-LOC-3220x12
X1 Tools

3/8-24 UHP Black-Oxide Grade 8 Steel Thin-Profile Nylon-Insert Locknuts, 12PK

Zoro # G622857096
Mfr # X1E-FAS-NUT-LOC-3220x12
product price:  $27.25
/pk 12, $2.27/ea
X1 Tools 9/16-12 Performance Zinc-Plated Steel Nylon-Insert Locknuts, 12PK X1E-FAS-NUT-LOC-1948x12
X1 Tools

9/16-12 Performance Zinc-Plated Steel Nylon-Insert Locknuts, 12PK

Zoro # G222849071
Mfr # X1E-FAS-NUT-LOC-1948x12
product price:  $16.49
/pk 12, $1.37/ea
X1 Tools 7/8-9 Corrosion-Resistant 18-8 Stainless Steel Thin-Profile Nylon-Insert Locknuts, 100PK X1E-FAS-NUT-LOC-3750x100
X1 Tools

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

Zoro # G622867064
Mfr # X1E-FAS-NUT-LOC-3750x100
product price:  $1,919.99
/pk 100, $19.20/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 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 1000, $1.58/ea
X1 Tools 1 1/2-12 UHP Black-Oxide Grade 8 Steel Thin-Profile Nylon-Insert Locknuts, 100PK X1E-FAS-NUT-LOC-3240x100
X1 Tools

1 1/2-12 UHP Black-Oxide Grade 8 Steel Thin-Profile Nylon-Insert Locknuts, 100PK

Zoro # G922859752
Mfr # X1E-FAS-NUT-LOC-3240x100
product price:  $4,910.99
/pk 100, $49.11/ea
X1 Tools 1 1/4-7 Hi-Performance Zinc-Plated Steel Nylon-Insert Locknuts, 250PK X1E-FAS-NUT-LOC-1631x250
X1 Tools

1 1/4-7 Hi-Performance Zinc-Plated Steel Nylon-Insert Locknuts, 250PK

Zoro # G522845704
Mfr # X1E-FAS-NUT-LOC-1631x250
product price:  $6,060.99
/pk 250, $24.24/ea
Oxoxo 3/4-16 Stover Alternative Lock Nut Automation Style With Flange Grade G Black Phosphate, 250PK 249445
Oxoxo

3/4-16 Stover Alternative Lock Nut Automation Style With Flange Grade G Black Phosphate, 250PK

Zoro # G422690534
Mfr # 249445
product price:  $623.99
/pk 250, $2.50/ea
Newport Fasteners Nylon Insert Lock Nut, M10-1.50, Steel, Class 8, Zinc Plated, 2500 PK 787117-BR-2500
Newport Fasteners

Nylon Insert Lock Nut, M10-1.50, Steel, Class 8, Zinc Plated, 2500 PK

Zoro # G306331591
Mfr # 787117-BR-2500
product price:  $629.99
/pk 2500, $0.25/ea
X1 Tools 3/4-10 Hi-Performance Zinc-Plated Steel Nylon-Insert Locknuts, 50PK X1E-FAS-NUT-LOC-1624x50
X1 Tools

3/4-10 Hi-Performance Zinc-Plated Steel Nylon-Insert Locknuts, 50PK

Zoro # G322850724
Mfr # X1E-FAS-NUT-LOC-1624x50
product price:  $92.95
/pk 50, $1.86/ea
X1 Tools 1 1/8-7 Hi Performance Zinc-Plated Steel Thin-Profile Nylon-Insert Locknuts, 6PK X1E-FAS-NUT-LOC-3324x6
X1 Tools

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

Zoro # G322848738
Mfr # X1E-FAS-NUT-LOC-3324x6
product price:  $225.99
/pk 6, $37.67/ea
X1 Tools 5/16-18 Performance Black-Corrosion-Resistant-Coated Steel Nylon-Ins. Locknuts, 6PK X1E-FAS-NUT-LOC-2020x6
X1 Tools

5/16-18 Performance Black-Corrosion-Resistant-Coated Steel Nylon-Ins. Locknuts, 6PK

Zoro # G422864775
Mfr # X1E-FAS-NUT-LOC-2020x6
product price:  $31.55
/pk 6, $5.26/ea
X1 Tools 5/16-24 Corrosion-Resistant 316 Stainless Steel Nylon-Insert Locknuts, 4PK X1E-FAS-NUT-LOC-2330x4
X1 Tools

5/16-24 Corrosion-Resistant 316 Stainless Steel Nylon-Insert Locknuts, 4PK

Zoro # G422845811
Mfr # X1E-FAS-NUT-LOC-2330x4
product price:  $3.55
/pk 4, $0.89/ea
Sold in mult. of 3 for $10.65
X1 Tools 10-32 Black-Oxide Corrosion-Resistant 18-8 Stainless Steel Thin-Profile Nylon-Insert Locknuts, 12PK X1E-FAS-NUT-LOC-3818x12
X1 Tools

10-32 Black-Oxide Corrosion-Resistant 18-8 Stainless Steel Thin-Profile Nylon-Insert Locknuts, 12PK

Zoro # G822847521
Mfr # X1E-FAS-NUT-LOC-3818x12
product price:  $12.95
/pk 12, $1.08/ea
Sold in mult. of 2 for $25.90
X1 Tools 6-32 Performance Black-Corrosion-Resistant-Coated Steel Thin-Profile Nylon-Insert Locknuts, 4PK X1E-FAS-NUT-LOC-3610x4
X1 Tools

6-32 Performance Black-Corrosion-Resistant-Coated Steel Thin-Profile Nylon-Insert Locknuts, 4PK

Zoro # G722847270
Mfr # X1E-FAS-NUT-LOC-3610x4
product price:  $19.69
/pk 4, $4.92/ea
Newport Fasteners Nylon Insert Lock Nut, 9/16"-18, Steel, Grade A, Zinc Plated, 800 PK 320132-BR-800
Newport Fasteners

Nylon Insert Lock Nut, 9/16"-18, Steel, Grade A, Zinc Plated, 800 PK

Zoro # G606327775
Mfr # 320132-BR-800
product price:  $493.99
/pk 800, $0.62/ea
X1 Tools 3/8-16 Black-Oxide Corrosion-Resistant 18-8 Stainless Steel Thin-Profile Nylon-Insert Locknut, 150PK X1E-FAS-NUT-LOC-3824x150
X1 Tools

3/8-16 Black-Oxide Corrosion-Resistant 18-8 Stainless Steel Thin-Profile Nylon-Insert Locknut, 150PK

Zoro # G022858044
Mfr # X1E-FAS-NUT-LOC-3824x150
product price:  $177.99
/pk 150, $1.19/ea
Lock Nuts (10,000+ items) - Page 233
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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
1/4" locking nut5/16-24 nutsnylon insert hex nut1/2" flange lock nutn-10 lock nut
nylon-insert locknuts5/16-18 nylon locking nut10mm nuts2 inch locknutlock nut 5/16-18

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