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  7. Lock Nuts

Lock Nuts (10,000+ items) - Page 18

Zoro Select Self Clinching Lock Nut, 5/16"-18, 18-8 Stainless Steel, Not Graded, Plain, 1000 PK 31-2NCL303
Zoro Select

Self Clinching Lock Nut, 5/16"-18, 18-8 Stainless Steel, Not Graded, Plain, 1000 PK

Zoro # G2438193
Mfr # 31-2NCL303
product price: 
$1,295.99
/pk 1000, $1.30/ea
X1 Tools M10 x 1.25 mm Hi-Performance Zinc-Plated Steel Nylon-Insert Locknuts, 400PK X1E-FAS-NUT-LOC-1643x400
X1 Tools

M10 x 1.25 mm Hi-Performance Zinc-Plated Steel Nylon-Insert Locknuts, 400PK

Zoro # G722858757
Mfr # X1E-FAS-NUT-LOC-1643x400
product price: 
$523.99
/pk 400, $1.31/ea
X1 Tools 7/16-14 Corrosion-Resistant 18-8 Stainless Steel Thin-Profile Nylon-Insert Locknuts X1E-FAS-NUT-LOC-3732x1
X1 Tools

7/16-14 Corrosion-Resistant 18-8 Stainless Steel Thin-Profile Nylon-Insert Locknuts

Zoro # G322848776
Mfr # X1E-FAS-NUT-LOC-3732x1
product price: 
$2.19
/ea
Sold in mult. of 5 for $10.95
X1 Tools 1 1/2-6 Hi-Performance Zinc-Plated Steel Nylon-Insert Locknuts, 120PK X1E-FAS-NUT-LOC-1632x120
X1 Tools

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

Zoro # G422848478
Mfr # X1E-FAS-NUT-LOC-1632x120
product price: 
$5,343.99
/pk 120, $44.53/ea
X1 Tools 9/16-18 Ultra Hi Performance Black-Oxide Steel Nylon-Insert Locknuts, 12PK X1E-FAS-NUT-LOC-1232x12
X1 Tools

9/16-18 Ultra Hi Performance Black-Oxide Steel Nylon-Insert Locknuts, 12PK

Zoro # G722863737
Mfr # X1E-FAS-NUT-LOC-1232x12
product price: 
$39.29
/pk 12, $3.27/ea
X1 Tools M14 x 2 mm Performance Zinc-Plated Steel Thin-Profile Nylon-Insert Locknuts, 1000PK X1E-FAS-NUT-LOC-3490x1000
X1 Tools

M14 x 2 mm Performance Zinc-Plated Steel Thin-Profile Nylon-Insert Locknuts, 1000PK

Zoro # G622852046
Mfr # X1E-FAS-NUT-LOC-3490x1000
product price: 
$4,001.99
/pk 1000, $4.00/ea
X1 Tools M12 x 1.75 mm Corrosion-Resistant 18-8 Stainless Steel Nylon-Insert Locknuts, 150PK X1E-FAS-NUT-LOC-2161x150
X1 Tools

M12 x 1.75 mm Corrosion-Resistant 18-8 Stainless Steel Nylon-Insert Locknuts, 150PK

Zoro # G922850339
Mfr # X1E-FAS-NUT-LOC-2161x150
product price: 
$241.99
/pk 150, $1.61/ea
Midwest Fastener External Tooth Lock Washer Lock Nut, #4-40, 18-8 Stainless Steel, Not Graded, 30 PK 33781
Midwest Fastener

External Tooth Lock Washer Lock Nut, #4-40, 18-8 Stainless Steel, Not Graded, 30 PK

Zoro # G402526655
Mfr # 33781
product price: 
$7.49
/pk 30, $0.25/ea
Sold in mult. of 2 for $14.98
X1 Tools 1/2-20 Black-Oxide Corrosion-Resistant 18-8 Stainless Steel Thin-Profile Nylon-Insert Locknut, 500PK X1E-FAS-NUT-LOC-3830x500
X1 Tools

1/2-20 Black-Oxide Corrosion-Resistant 18-8 Stainless Steel Thin-Profile Nylon-Insert Locknut, 500PK

Zoro # G722852519
Mfr # X1E-FAS-NUT-LOC-3830x500
product price: 
$1,575.99
/pk 500, $3.15/ea
Oxoxo 6-32 Conical K Keps Lock Nut Black Oxide And Oil, 5000PK 636600
Oxoxo

6-32 Conical K Keps Lock Nut Black Oxide And Oil, 5000PK

Zoro # G922691222
Mfr # 636600
product price: 
$610.99
/pk 5000, $0.12/ea
X1 Tools M6 x 1 mm Performance Zinc-Plated Steel Thin-Profile Nylon-Insert Locknuts, 6PK X1E-FAS-NUT-LOC-3482x6
X1 Tools

M6 x 1 mm Performance Zinc-Plated Steel Thin-Profile Nylon-Insert Locknuts, 6PK

Zoro # G922848848
Mfr # X1E-FAS-NUT-LOC-3482x6
product price: 
$17.29
/pk 6, $2.88/ea
Oxoxo 3/8-16 Nylon Insert Hex Locknut NE Light Hex Standard Height Grade 5 Zinc, 1500PK 538663
Oxoxo

3/8-16 Nylon Insert Hex Locknut NE Light Hex Standard Height Grade 5 Zinc, 1500PK

Zoro # G122668291
Mfr # 538663
product price: 
$395.99
/pk 1500, $0.26/ea
A Raymond Tinnerman Lock Nut, 1/8", Spring Steel, Mechanical Zinc and Trivalent and Sealer, .114 in Ht EFLNH-RP182700-205/B
A Raymond Tinnerman

Lock Nut, 1/8", Spring Steel, Mechanical Zinc and Trivalent and Sealer, .114 in Ht

Zoro # G300400088
Mfr # EFLNH-RP182700-205/B
product price: 
$0.13
/ea
Sold in mult. of 250 for $32.50
X1 Tools 1/4-20 Ultra H.P. Yellow Zinc Plated Grade 8 Steel Nylon-Insert Locknuts, 4PK X1E-FAS-NUT-LOC-1010x4
X1 Tools

1/4-20 Ultra H.P. Yellow Zinc Plated Grade 8 Steel Nylon-Insert Locknuts, 4PK

Zoro # G722844613
Mfr # X1E-FAS-NUT-LOC-1010x4
product price: 
$2.89
/pk 4, $0.72/ea
Sold in mult. of 4 for $11.56
X1 Tools 1/4-28 Ultra H.P. Yellow Zinc Plated Grade 8 Steel Nylon-Insert Locknuts, 8PK X1E-FAS-NUT-LOC-1012x8
X1 Tools

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

Zoro # G722844385
Mfr # X1E-FAS-NUT-LOC-1012x8
product price: 
$5.39
/pk 8, $0.67/ea
Sold in mult. of 2 for $10.78
X1 Tools 5/8-18 Corrosion-Resistant 18-8 Stainless Steel Nylon-Insert Locknuts, 50PK X1E-FAS-NUT-LOC-2138x50
X1 Tools

5/8-18 Corrosion-Resistant 18-8 Stainless Steel Nylon-Insert Locknuts, 50PK

Zoro # G122854199
Mfr # X1E-FAS-NUT-LOC-2138x50
product price: 
$170.99
/pk 50, $3.42/ea
X1 Tools 1 1/4-12 Ultra Hi Performance Grade 8 Steel Nylon-Insert Locknuts, 12PK X1E-FAS-NUT-LOC-1458x12
X1 Tools

1 1/4-12 Ultra Hi Performance Grade 8 Steel Nylon-Insert Locknuts, 12PK

Zoro # G522855475
Mfr # X1E-FAS-NUT-LOC-1458x12
product price: 
$448.99
/pk 12, $37.42/ea
Brighton-Best Nylon Insert Lock Nut, 1/4"-20, A2 Stainless Steel 310057
Brighton-Best

Nylon Insert Lock Nut, 1/4"-20, A2 Stainless Steel

Zoro # G302574626
Mfr # 310057
product price: 
$15.29
/ea
Sold in mult. of 3 for $45.87
X1 Tools 10-32 Performance Black-Corrosion-Resistant-Coated Steel Thin-Profile Nylon-Insert Locknuts, 8PK X1E-FAS-NUT-LOC-3616x8
X1 Tools

10-32 Performance Black-Corrosion-Resistant-Coated Steel Thin-Profile Nylon-Insert Locknuts, 8PK

Zoro # G922858410
Mfr # X1E-FAS-NUT-LOC-3616x8
product price: 
$39.49
/pk 8, $4.94/ea
Newport Fasteners Lock Nut, 1/4"-20, Steel, Yellow Zinc, 0.178 in Ht, 2000 PK 859883
Newport Fasteners

Lock Nut, 1/4"-20, Steel, Yellow Zinc, 0.178 in Ht, 2000 PK

Zoro # G406331798
Mfr # 859883
product price: 
$493.99
/pk 2000, $0.25/ea
Newport Fasteners Nylon Insert Lock Nut, 7/16"-20, Steel, Grade C, Yellow Zinc, 2000 PK 265523-BR-2000
Newport Fasteners

Nylon Insert Lock Nut, 7/16"-20, Steel, Grade C, Yellow Zinc, 2000 PK

Zoro # G206327793
Mfr # 265523-BR-2000
product price: 
$522.99
/pk 2000, $0.26/ea
Zoro Select External Tooth K-Lock Lock Nut, M3-0.50, Stainless Steel, Not Graded, Plain, 2.4 mm Ht, 3000 PK M3NKA2
Zoro Select

External Tooth K-Lock Lock Nut, M3-0.50, Stainless Steel, Not Graded, Plain, 2.4 mm Ht, 3000 PK

Zoro # G2588334
Mfr # M3NKA2
product price: 
$313.99
/pk 3000, $0.10/ea
X1 Tools 5/8-11 Performance Zinc-Plated Steel Thin-Profile Nylon-Insert Locknuts, 25PK X1E-FAS-NUT-LOC-3450x25
X1 Tools

5/8-11 Performance Zinc-Plated Steel Thin-Profile Nylon-Insert Locknuts, 25PK

Zoro # G422858088
Mfr # X1E-FAS-NUT-LOC-3450x25
product price: 
$23.99
/pk 25, $0.96/ea
Pem Clinch Nut, PK10 PM-12325-010P
Pem

Clinch Nut, PK10

Zoro # G123522790
Mfr # PM-12325-010P
product price: 
$9.79
/pk 10, $0.98/ea
X1 Tools 1/4-28 Corrosion-Resistant 316 Stainless Steel Thin-Profile Nylon-Insert Locknuts, 4PK X1E-FAS-NUT-LOC-3916x4
X1 Tools

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

Zoro # G022852998
Mfr # X1E-FAS-NUT-LOC-3916x4
product price: 
$3.59
/pk 4, $0.90/ea
Sold in mult. of 3 for $10.77
Newport Fasteners Nylon Insert Lock Nut, 5/8"-18, Steel, Grade A, Yellow Zinc, 500 PK 837563-BR-500
Newport Fasteners

Nylon Insert Lock Nut, 5/8"-18, Steel, Grade A, Yellow Zinc, 500 PK

Zoro # G506331872
Mfr # 837563-BR-500
product price: 
$396.99
/pk 500, $0.79/ea
Zoro Select Lock Nut, 1/2"-13, 18-8 Stainless Steel, Not Graded, 200 PK 50NST188
Zoro Select

Lock Nut, 1/2"-13, 18-8 Stainless Steel, Not Graded, 200 PK

Zoro # G2451511
Mfr # 50NST188
product price: 
$232.99
/pk 200, $1.16/ea
X1 Tools 3/4-16 UHP Black-Oxide Grade 8 Steel Thin-Profile Nylon-Insert Locknuts, 120PK X1E-FAS-NUT-LOC-3232x120
X1 Tools

3/4-16 UHP Black-Oxide Grade 8 Steel Thin-Profile Nylon-Insert Locknuts, 120PK

Zoro # G322854982
Mfr # X1E-FAS-NUT-LOC-3232x120
product price: 
$876.99
/pk 120, $7.31/ea
Newport Fasteners Nylon Insert Lock Nut, 7/8"-9, Steel, Grade A, Zinc Plated, 25 PK 739461-PR-25
Newport Fasteners

Nylon Insert Lock Nut, 7/8"-9, Steel, Grade A, Zinc Plated, 25 PK

Zoro # G906329547
Mfr # 739461-PR-25
product price: 
$173.99
/pk 25, $6.96/ea
Newport Fasteners Nylon Insert Lock Nut, 3/8"-24, 316 Stainless Steel, Not Graded, 2500 PK 701107-BR-2500
Newport Fasteners

Nylon Insert Lock Nut, 3/8"-24, 316 Stainless Steel, Not Graded, 2500 PK

Zoro # G706329761
Mfr # 701107-BR-2500
product price: 
$1,221.99
/pk 2500, $0.49/ea
X1 Tools 3/8-16 Performance Black-Corrosion-Resistant-Coated Steel Nylon-Insert Locknuts, 20PK X1E-FAS-NUT-LOC-2022x20
X1 Tools

3/8-16 Performance Black-Corrosion-Resistant-Coated Steel Nylon-Insert Locknuts, 20PK

Zoro # G622857591
Mfr # X1E-FAS-NUT-LOC-2022x20
product price: 
$91.25
/pk 20, $4.56/ea
X1 Tools 7/8-14 Ultra Hi Performance Black-Oxide Steel Nylon-Insert Locknuts, 200PK X1E-FAS-NUT-LOC-1244x200
X1 Tools

7/8-14 Ultra Hi Performance Black-Oxide Steel Nylon-Insert Locknuts, 200PK

Zoro # G222848494
Mfr # X1E-FAS-NUT-LOC-1244x200
product price: 
$1,377.99
/pk 200, $6.89/ea
Huyett Nylon Insert Lock Nut, 1-1/8-7, Steel, Grade C, Plain, 1.171 in Ht NUTH59-1125-1171GCP
Huyett

Nylon Insert Lock Nut, 1-1/8-7, Steel, Grade C, Plain, 1.171 in Ht

Zoro # G513331001
Mfr # NUTH59-1125-1171GCP
product price: 
$6.99
/ea
Sold in mult. of 3 for $20.97
Newport Fasteners Nylon Insert Lock Nut, 1-1/4"-7, Steel, Grade A, Zinc Plated, 150 PK 120348-BR-150
Newport Fasteners

Nylon Insert Lock Nut, 1-1/4"-7, Steel, Grade A, Zinc Plated, 150 PK

Zoro # G406327883
Mfr # 120348-BR-150
product price: 
$920.99
/pk 150, $6.14/ea
X1 Tools M5 x 0.8 mm Hi-Performance Zinc-Plated Steel Nylon-Insert Locknuts, 25PK X1E-FAS-NUT-LOC-1637x25
X1 Tools

M5 x 0.8 mm Hi-Performance Zinc-Plated Steel Nylon-Insert Locknuts, 25PK

Zoro # G922853156
Mfr # X1E-FAS-NUT-LOC-1637x25
product price: 
$5.19
/pk 25, $0.21/ea
Sold in mult. of 2 for $10.38
X1 Tools 7/16-20 Performance Zinc-Plated Steel Thin-Profile Nylon-Insert Locknuts, 2PK X1E-FAS-NUT-LOC-3440x2
X1 Tools

7/16-20 Performance Zinc-Plated Steel Thin-Profile Nylon-Insert Locknuts, 2PK

Zoro # G222859698
Mfr # X1E-FAS-NUT-LOC-3440x2
product price: 
$1.15
/pk 2, $0.58/ea
Sold in mult. of 9 for $10.35
Lock Nuts (10,000+ items) - Page 18
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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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