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  7. Lock Nuts

Lock Nuts (10,000+ items) - Page 191

X1 Tools M5 x 0.8 mm Performance Zinc-Plated Steel Nylon-Insert Locknuts, 6PK X1E-FAS-NUT-LOC-1974x6
X1 Tools

M5 x 0.8 mm Performance Zinc-Plated Steel Nylon-Insert Locknuts, 6PK

Zoro # G622851919
Mfr # X1E-FAS-NUT-LOC-1974x6
product price:  $1.45
/pk 6, $0.24/ea
Sold in mult. of 7 for $10.15
X1 Tools 12-24 Performance Zinc-Plated Steel Thin-Profile Nylon-Insert Locknuts, 2PK X1E-FAS-NUT-LOC-3424x2
X1 Tools

12-24 Performance Zinc-Plated Steel Thin-Profile Nylon-Insert Locknuts, 2PK

Zoro # G822862579
Mfr # X1E-FAS-NUT-LOC-3424x2
product price:  $0.88
/pk 2, $0.44/ea
Sold in mult. of 11 for $9.68
X1 Tools 7/16-20 Corrosion-Resistant 316 Stainless Steel Nylon-Insert Locknuts, 1000PK X1E-FAS-NUT-LOC-2338x1000
X1 Tools

7/16-20 Corrosion-Resistant 316 Stainless Steel Nylon-Insert Locknuts, 1000PK

Zoro # G222865255
Mfr # X1E-FAS-NUT-LOC-2338x1000
product price:  $1,813.99
/pk 1000, $1.81/ea
X1 Tools 5/16-18 Black-Oxide Corrosion-Resistant 18-8 Stainless Steel Thin-Profile Nylon-Insert Locknuts, 4PK X1E-FAS-NUT-LOC-3822x4
X1 Tools

5/16-18 Black-Oxide Corrosion-Resistant 18-8 Stainless Steel Thin-Profile Nylon-Insert Locknuts, 4PK

Zoro # G022850048
Mfr # X1E-FAS-NUT-LOC-3822x4
product price:  $4.79
/pk 4, $1.20/ea
Sold in mult. of 2 for $9.58
X1 Tools 12-24 Performance Zinc-Plated Steel Thin-Profile Nylon-Insert Locknuts, 12PK X1E-FAS-NUT-LOC-3424x12
X1 Tools

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

Zoro # G622856853
Mfr # X1E-FAS-NUT-LOC-3424x12
product price:  $2.95
/pk 12, $0.25/ea
Sold in mult. of 4 for $11.80
X1 Tools 1/4-28 Corrosion-Resistant 316 Stainless Steel Nylon-Insert Locknuts, 12PK X1E-FAS-NUT-LOC-2326x12
X1 Tools

1/4-28 Corrosion-Resistant 316 Stainless Steel Nylon-Insert Locknuts, 12PK

Zoro # G122845029
Mfr # X1E-FAS-NUT-LOC-2326x12
product price:  $9.99
/pk 12, $0.83/ea
Sold in mult. of 2 for $19.98
X1 Tools M6 x 1 mm Performance Zinc-Plated Steel Nylon-Insert Locknuts, 150PK X1E-FAS-NUT-LOC-1976x150
X1 Tools

M6 x 1 mm Performance Zinc-Plated Steel Nylon-Insert Locknuts, 150PK

Zoro # G422849925
Mfr # X1E-FAS-NUT-LOC-1976x150
product price:  $30.89
/pk 150, $0.21/ea
X1 Tools 1-14 UHP Yellow Zinc Plated Grade 8 Steel Thin-Profile Nylon-Insert Locknuts, 25PK X1E-FAS-NUT-LOC-3038x25
X1 Tools

1-14 UHP Yellow Zinc Plated Grade 8 Steel Thin-Profile Nylon-Insert Locknuts, 25PK

Zoro # G822858572
Mfr # X1E-FAS-NUT-LOC-3038x25
product price:  $352.99
/pk 25, $14.12/ea
X1 Tools 1/4-28 Ultra H.P. Yellow Zinc Plated Grade 8 Steel Nylon-Insert Locknuts, 15PK X1E-FAS-NUT-LOC-1012x15
X1 Tools

1/4-28 Ultra H.P. Yellow Zinc Plated Grade 8 Steel Nylon-Insert Locknuts, 15PK

Zoro # G522844295
Mfr # X1E-FAS-NUT-LOC-1012x15
product price:  $12.19
/pk 15, $0.81/ea
X1 Tools 1/2-20 Performance Zinc-Plated Steel Nylon-Insert Locknuts, 20PK X1E-FAS-NUT-LOC-1946x20
X1 Tools

1/2-20 Performance Zinc-Plated Steel Nylon-Insert Locknuts, 20PK

Zoro # G722852670
Mfr # X1E-FAS-NUT-LOC-1946x20
product price:  $19.79
/pk 20, $0.99/ea
Zoro Select Lock Nut, 7/8"-9, Steel, Grade C, Wax, 0.45 in Ht, 50 PK 87NO
Zoro Select

Lock Nut, 7/8"-9, Steel, Grade C, Wax, 0.45 in Ht, 50 PK

Zoro # G2447153
Mfr # 87NO
product price:  $114.99
/pk 50, $2.30/ea
X1 Tools 4-40 Black-Oxide C.R. 18-8 Stainless Steel Nylon-Insert Locknuts, 1000PK X1E-FAS-NUT-LOC-2214x1000
X1 Tools

4-40 Black-Oxide C.R. 18-8 Stainless Steel Nylon-Insert Locknuts, 1000PK

Zoro # G122856520
Mfr # X1E-FAS-NUT-LOC-2214x1000
product price:  $237.99
/pk 1000, $0.24/ea
X1 Tools 3/8-24 Ultra H.P. Yellow Zinc Plated Grade 8 Steel Nylon-Insert Locknuts, 8PK X1E-FAS-NUT-LOC-1020x8
X1 Tools

3/8-24 Ultra H.P. Yellow Zinc Plated Grade 8 Steel Nylon-Insert Locknuts, 8PK

Zoro # G522844349
Mfr # X1E-FAS-NUT-LOC-1020x8
product price:  $10.95
/pk 8, $1.37/ea
Sold in mult. of 2 for $21.90
X1 Tools 1/2-13 UHP Black-Oxide Grade 8 Steel Thin-Profile Nylon-Insert Locknuts, 400PK X1E-FAS-NUT-LOC-3224x400
X1 Tools

1/2-13 UHP Black-Oxide Grade 8 Steel Thin-Profile Nylon-Insert Locknuts, 400PK

Zoro # G322859635
Mfr # X1E-FAS-NUT-LOC-3224x400
product price:  $1,231.99
/pk 400, $3.08/ea
X1 Tools 1 1/8-7 Performance Zinc-Plated Steel Nylon-Insert Locknuts, 12PK X1E-FAS-NUT-LOC-1968x12
X1 Tools

1 1/8-7 Performance Zinc-Plated Steel Nylon-Insert Locknuts, 12PK

Zoro # G322859727
Mfr # X1E-FAS-NUT-LOC-1968x12
product price:  $108.99
/pk 12, $9.08/ea
X1 Tools 7/8-14 UHP Black-Oxide Grade 8 Steel Thin-Profile Nylon-Insert Locknuts, 25PK X1E-FAS-NUT-LOC-3234x25
X1 Tools

7/8-14 UHP Black-Oxide Grade 8 Steel Thin-Profile Nylon-Insert Locknuts, 25PK

Zoro # G122857947
Mfr # X1E-FAS-NUT-LOC-3234x25
product price:  $289.99
/pk 25, $11.60/ea
X1 Tools 5/8-18 Hi Performance Zinc-Plated Steel Thin-Profile Nylon-Insert Locknuts, 100PK X1E-FAS-NUT-LOC-3312x100
X1 Tools

5/8-18 Hi Performance Zinc-Plated Steel Thin-Profile Nylon-Insert Locknuts, 100PK

Zoro # G822867253
Mfr # X1E-FAS-NUT-LOC-3312x100
product price:  $837.99
/pk 100, $8.38/ea
X1 Tools 5/8-18 Performance Zinc-Plated Steel Nylon-Insert Locknuts, 2PK X1E-FAS-NUT-LOC-1954x2
X1 Tools

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

Zoro # G622852985
Mfr # X1E-FAS-NUT-LOC-1954x2
product price:  $3.39
/pk 2, $1.70/ea
Sold in mult. of 3 for $10.17
X1 Tools 1 1/4-7 Hi Performance Zinc-Plated Steel Thin-Profile Nylon-Insert Locknuts, 120PK X1E-FAS-NUT-LOC-3326x120
X1 Tools

1 1/4-7 Hi Performance Zinc-Plated Steel Thin-Profile Nylon-Insert Locknuts, 120PK

Zoro # G522849825
Mfr # X1E-FAS-NUT-LOC-3326x120
product price:  $6,077.99
/pk 120, $50.65/ea
X1 Tools 10-32 Performance Zinc-Plated Steel Nylon-Insert Locknuts, 2PK X1E-FAS-NUT-LOC-1924x2
X1 Tools

10-32 Performance Zinc-Plated Steel Nylon-Insert Locknuts, 2PK

Zoro # G322850717
Mfr # X1E-FAS-NUT-LOC-1924x2
product price:  $0.72
/pk 2, $0.36/ea
Sold in mult. of 13 for $9.36
X1 Tools 7/16-20 Corrosion-Resistant 18-8 Stainless Steel Nylon-Insert Locknuts, 150PK X1E-FAS-NUT-LOC-2132x150
X1 Tools

7/16-20 Corrosion-Resistant 18-8 Stainless Steel Nylon-Insert Locknuts, 150PK

Zoro # G222846995
Mfr # X1E-FAS-NUT-LOC-2132x150
product price:  $151.99
/pk 150, $1.01/ea
X1 Tools 3/8-16 Black-Oxide Corrosion-Resistant 18-8 Stainless Steel Thin-Profile Nylon-Insert Locknuts, 10PK X1E-FAS-NUT-LOC-3824x10
X1 Tools

3/8-16 Black-Oxide Corrosion-Resistant 18-8 Stainless Steel Thin-Profile Nylon-Insert Locknuts, 10PK

Zoro # G422853724
Mfr # X1E-FAS-NUT-LOC-3824x10
product price:  $17.19
/pk 10, $1.72/ea
X1 Tools 1 1/4-7 Corrosion-Resistant 18-8 Stainless Steel Thin-Profile Nylon-Insert Locknuts, 6PK X1E-FAS-NUT-LOC-3760x6
X1 Tools

1 1/4-7 Corrosion-Resistant 18-8 Stainless Steel Thin-Profile Nylon-Insert Locknuts, 6PK

Zoro # G122865577
Mfr # X1E-FAS-NUT-LOC-3760x6
product price:  $280.99
/pk 6, $46.83/ea
X1 Tools 7/16-14 Corrosion-Resistant 18-8 Stainless Steel Nylon-Insert Locknuts, 100PK X1E-FAS-NUT-LOC-2131x100
X1 Tools

7/16-14 Corrosion-Resistant 18-8 Stainless Steel Nylon-Insert Locknuts, 100PK

Zoro # G222847640
Mfr # X1E-FAS-NUT-LOC-2131x100
product price:  $88.95
/pk 100, $0.89/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 5/8-18 Ultra H.P. Yellow Zinc Plated Grade 8 Steel Nylon-Insert Locknuts, 120PK X1E-FAS-NUT-LOC-1036x120
X1 Tools

5/8-18 Ultra H.P. Yellow Zinc Plated Grade 8 Steel Nylon-Insert Locknuts, 120PK

Zoro # G822848474
Mfr # X1E-FAS-NUT-LOC-1036x120
product price:  $348.99
/pk 120, $2.91/ea
X1 Tools 7/8-9 Performance Zinc-Plated Steel Thin-Profile Nylon-Insert Locknuts, 6PK X1E-FAS-NUT-LOC-3458x6
X1 Tools

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

Zoro # G922866309
Mfr # X1E-FAS-NUT-LOC-3458x6
product price:  $29.25
/pk 6, $4.88/ea
X1 Tools 9/16-12 Performance Zinc-Plated Steel Nylon-Insert Locknuts, 120PK X1E-FAS-NUT-LOC-1948x120
X1 Tools

9/16-12 Performance Zinc-Plated Steel Nylon-Insert Locknuts, 120PK

Zoro # G122852720
Mfr # X1E-FAS-NUT-LOC-1948x120
product price:  $110.99
/pk 120, $0.92/ea
X1 Tools 7/16-20 Performance Zinc-Plated Steel Thin-Profile Nylon-Insert Locknuts, 6PK X1E-FAS-NUT-LOC-3440x6
X1 Tools

7/16-20 Performance Zinc-Plated Steel Thin-Profile Nylon-Insert Locknuts, 6PK

Zoro # G322863779
Mfr # X1E-FAS-NUT-LOC-3440x6
product price:  $2.19
/pk 6, $0.37/ea
Sold in mult. of 5 for $10.95
X1 Tools 12-24 Performance Zinc-Plated Steel Thin-Profile Nylon-Insert Locknuts X1E-FAS-NUT-LOC-3424x1
X1 Tools

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

Zoro # G522856540
Mfr # X1E-FAS-NUT-LOC-3424x1
product price:  $0.66
/ea
Sold in mult. of 14 for $9.24
X1 Tools 1 1/2-6 Hi Performance Zinc-Plated Steel Thin-Profile Nylon-Insert Locknuts, 100PK X1E-FAS-NUT-LOC-3330x100
X1 Tools

1 1/2-6 Hi Performance Zinc-Plated Steel Thin-Profile Nylon-Insert Locknuts, 100PK

Zoro # G022859171
Mfr # X1E-FAS-NUT-LOC-3330x100
product price:  $5,684.99
/pk 100, $56.85/ea
X1 Tools 8-32 Corrosion-Resistant 18-8 Stainless Steel Thin-Profile Nylon-Insert Locknuts, 25PK X1E-FAS-NUT-LOC-3714x25
X1 Tools

8-32 Corrosion-Resistant 18-8 Stainless Steel Thin-Profile Nylon-Insert Locknuts, 25PK

Zoro # G122852560
Mfr # X1E-FAS-NUT-LOC-3714x25
product price:  $5.75
/pk 25, $0.23/ea
Sold in mult. of 2 for $11.50
X1 Tools 4-40 Performance Zinc-Plated Steel Thin-Profile Nylon-Insert Locknuts, 25PK X1E-FAS-NUT-LOC-3412x25
X1 Tools

4-40 Performance Zinc-Plated Steel Thin-Profile Nylon-Insert Locknuts, 25PK

Zoro # G722863720
Mfr # X1E-FAS-NUT-LOC-3412x25
product price:  $10.39
/pk 25, $0.42/ea
Sold in mult. of 2 for $20.78
X1 Tools 5/16-18 Performance Zinc-Plated Steel Nylon-Insert Locknuts, 400PK X1E-FAS-NUT-LOC-1932x400
X1 Tools

5/16-18 Performance Zinc-Plated Steel Nylon-Insert Locknuts, 400PK

Zoro # G222858912
Mfr # X1E-FAS-NUT-LOC-1932x400
product price:  $68.65
/pk 400, $0.17/ea
Oxoxo 1-8 Stover Alternative Automation Style Lock Nut Grade C Cad And Wax, 50PK 137263
Oxoxo

1-8 Stover Alternative Automation Style Lock Nut Grade C Cad And Wax, 50PK

Zoro # G022663174
Mfr # 137263
product price:  $220.99
/pk 50, $4.42/ea
X1 Tools 5/16-18 Black-Oxide Corrosion-Resistant 18-8 Stainless Steel Thin-Profile Nylon-Insert Locknut, 20PK X1E-FAS-NUT-LOC-3822x20
X1 Tools

5/16-18 Black-Oxide Corrosion-Resistant 18-8 Stainless Steel Thin-Profile Nylon-Insert Locknut, 20PK

Zoro # G722865427
Mfr # X1E-FAS-NUT-LOC-3822x20
product price:  $21.79
/pk 20, $1.09/ea
Lock Nuts (10,000+ items) - Page 191
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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
1/2" 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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