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  7. Lock Nuts

Lock Nuts (10,000+ items) - Page 28

Zoro Select Lock Nut, 3/8"-16, Steel, Wax, 250 PK 37NXL
Zoro Select

Lock Nut, 3/8"-16, Steel, Wax, 250 PK

Zoro # G2454223
Mfr # 37NXL
product price:  $251.99
/pk 250, $1.01/ea
Oxoxo 1/4-20 Nylon Insert Flange Stop Hex Lock Nut Black Oxide And Oil, 2000PK 634433
Oxoxo

1/4-20 Nylon Insert Flange Stop Hex Lock Nut Black Oxide And Oil, 2000PK

Zoro # G422679836
Mfr # 634433
product price:  $556.99
/pk 2000, $0.28/ea
Newport Fasteners Nylon Insert Lock Nut, #10-24, 316 Stainless Steel, Not Graded, 100 PK 324636-PR-100
Newport Fasteners

Nylon Insert Lock Nut, #10-24, 316 Stainless Steel, Not Graded, 100 PK

Zoro # G506328117
Mfr # 324636-PR-100
product price:  $56.45
/pk 100, $0.56/ea
Oxoxo M3-0.50 Din 985 Metric Class 8 Nylon Insert Hex Locknut Zinc, 2500PK 278227
Oxoxo

M3-0.50 Din 985 Metric Class 8 Nylon Insert Hex Locknut Zinc, 2500PK

Zoro # G522664114
Mfr # 278227
product price:  $87.29
/pk 2500, $0.03/ea
X1 Tools 12-24 Performance Zinc-Plated Steel Nylon-Insert Locknuts, 10PK X1E-FAS-NUT-LOC-1926x10
X1 Tools

12-24 Performance Zinc-Plated Steel Nylon-Insert Locknuts, 10PK

Zoro # G022865219
Mfr # X1E-FAS-NUT-LOC-1926x10
product price:  $2.25
/pk 10, $0.23/ea
Sold in mult. of 5 for $11.25
Zoro Select Lock Nut, 5/16"-18, Nylon, Black Zinc, 0.25 in Ht, 1000 PK 31NSBZ
Zoro Select

Lock Nut, 5/16"-18, Nylon, Black Zinc, 0.25 in Ht, 1000 PK

Zoro # G2450924
Mfr # 31NSBZ
product price:  $184.99
/pk 1000, $0.18/ea
X1 Tools 5/16-18 Corrosion-Resistant 316 Stainless Steel Thin-Profile Nylon-Insert Locknuts, 1000PK X1E-FAS-NUT-LOC-3918x1000
X1 Tools

5/16-18 Corrosion-Resistant 316 Stainless Steel Thin-Profile Nylon-Insert Locknuts, 1000PK

Zoro # G622852053
Mfr # X1E-FAS-NUT-LOC-3918x1000
product price:  $788.99
/pk 1000, $0.79/ea
X1 Tools 1/4-20 Black-Oxide Corrosion-Resistant 18-8 Stainless Steel Thin-Profile Nylon-Insert Locknuts, 15PK X1E-FAS-NUT-LOC-3820x15
X1 Tools

1/4-20 Black-Oxide Corrosion-Resistant 18-8 Stainless Steel Thin-Profile Nylon-Insert Locknuts, 15PK

Zoro # G822855007
Mfr # X1E-FAS-NUT-LOC-3820x15
product price:  $17.19
/pk 15, $1.15/ea
X1 Tools 5/8-18 UHP Yellow Zinc Plated Grade 8 Steel Thin-Profile Nylon-Insert Locknuts, 6PK X1E-FAS-NUT-LOC-3032x6
X1 Tools

5/8-18 UHP Yellow Zinc Plated Grade 8 Steel Thin-Profile Nylon-Insert Locknuts, 6PK

Zoro # G822866812
Mfr # X1E-FAS-NUT-LOC-3032x6
product price:  $31.19
/pk 6, $5.20/ea
X1 Tools 2-56 Performance Zinc-Plated Steel Thin-Profile Nylon-Insert Locknuts, 75PK X1E-FAS-NUT-LOC-3410x75
X1 Tools

2-56 Performance Zinc-Plated Steel Thin-Profile Nylon-Insert Locknuts, 75PK

Zoro # G022859713
Mfr # X1E-FAS-NUT-LOC-3410x75
product price:  $39.69
/pk 75, $0.53/ea
X1 Tools 3/8-24 Corrosion-Resistant 18-8 Stainless Steel Nylon-Insert Locknuts, 12PK X1E-FAS-NUT-LOC-2130x12
X1 Tools

3/8-24 Corrosion-Resistant 18-8 Stainless Steel Nylon-Insert Locknuts, 12PK

Zoro # G522859275
Mfr # X1E-FAS-NUT-LOC-2130x12
product price:  $14.89
/pk 12, $1.24/ea
Zoro Select Top Lock Distorted Thread Lock Nut, 1/4"-20, 316 Stainless Steel, Not Graded, Plain, 9/64 in Ht U55915.025.0001
Zoro Select

Top Lock Distorted Thread Lock Nut, 1/4"-20, 316 Stainless Steel, Not Graded, Plain, 9/64 in Ht

Zoro # G5636951
Mfr # U55915.025.0001
product price:  $52.19
/pk 50, $1.04/ea
Oxoxo 1/4-20 Serrated Flange Hex Lock Nuts 18 8 Stainless Steel, 1000PK 319474
Oxoxo

1/4-20 Serrated Flange Hex Lock Nuts 18 8 Stainless Steel, 1000PK

Zoro # G222694978
Mfr # 319474
product price:  $168.99
/pk 1000, $0.17/ea
Zoro Select Lock Nut, Stainless Steel, 1/16", PK5 FLJNFIX-10SLV-005P
Zoro Select

Lock Nut, Stainless Steel, 1/16", PK5

Zoro # G722961785
Mfr # FLJNFIX-10SLV-005P
product price:  $29.59
/pk 5, $5.92/ea
X1 Tools 2-56 Corrosion-Resistant 18-8 Stainless Steel Nylon-Insert Locknuts, 4PK X1E-FAS-NUT-LOC-2111x4
X1 Tools

2-56 Corrosion-Resistant 18-8 Stainless Steel Nylon-Insert Locknuts, 4PK

Zoro # G722848796
Mfr # X1E-FAS-NUT-LOC-2111x4
product price:  $1.99
/pk 4, $0.50/ea
Newport Fasteners Lock Nut, #5-40, Steel, Black Oxide, 0.102 in Ht, 5000 PK 463278
Newport Fasteners

Lock Nut, #5-40, Steel, Black Oxide, 0.102 in Ht, 5000 PK

Zoro # G806329890
Mfr # 463278
product price:  $444.99
/pk 5000, $0.09/ea
X1 Tools 1/2-13 Performance Zinc-Plated Steel Nylon-Insert Locknuts, 1000PK X1E-FAS-NUT-LOC-1944x1000
X1 Tools

1/2-13 Performance Zinc-Plated Steel Nylon-Insert Locknuts, 1000PK

Zoro # G522857455
Mfr # X1E-FAS-NUT-LOC-1944x1000
product price:  $627.99
/pk 1000, $0.63/ea
Zoro Select Self Clinching Lock Nut, #8-32, 18-8 Stainless Steel, Not Graded, Plain, 5000 PK 08-0NCL303
Zoro Select

Self Clinching Lock Nut, #8-32, 18-8 Stainless Steel, Not Graded, Plain, 5000 PK

Zoro # G2437843
Mfr # 08-0NCL303
product price:  $2,390.99
/pk 5000, $0.48/ea
Newport Fasteners Self Clinching Lock Nut, #10-32, Steel, Zinc Plated, 5000 PK 404566
Newport Fasteners

Self Clinching Lock Nut, #10-32, Steel, Zinc Plated, 5000 PK

Zoro # G506372059
Mfr # 404566
product price:  $1,626.99
/pk 5000, $0.33/ea
X1 Tools 7/16-14 Corrosion-Resistant 316 Stainless Steel Thin-Profile Nylon-Insert Locknuts, 500PK X1E-FAS-NUT-LOC-3926x500
X1 Tools

7/16-14 Corrosion-Resistant 316 Stainless Steel Thin-Profile Nylon-Insert Locknuts, 500PK

Zoro # G122853451
Mfr # X1E-FAS-NUT-LOC-3926x500
product price:  $847.99
/pk 500, $1.70/ea
X1 Tools 9/16-18 Performance Zinc-Plated Steel Nylon-Insert Locknuts X1E-FAS-NUT-LOC-1950x1
X1 Tools

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

Zoro # G122861746
Mfr # X1E-FAS-NUT-LOC-1950x1
product price:  $1.69
/ea
Sold in mult. of 6 for $10.14
Zoro Select Lock Nut, #4-40, Nylon, Zinc Plated, 0.081 in Ht, 4000 PK 04NST
Zoro Select

Lock Nut, #4-40, Nylon, Zinc Plated, 0.081 in Ht, 4000 PK

Zoro # G2451003
Mfr # 04NST
product price:  $246.99
/pk 4000, $0.06/ea
X1 Tools 5-40 Performance Zinc-Plated Steel Thin-Profile Nylon-Insert Locknuts, 120PK X1E-FAS-NUT-LOC-3414x120
X1 Tools

5-40 Performance Zinc-Plated Steel Thin-Profile Nylon-Insert Locknuts, 120PK

Zoro # G022860443
Mfr # X1E-FAS-NUT-LOC-3414x120
product price:  $20.29
/pk 120, $0.17/ea
X1 Tools 1/2-13 Ultra H.P. Yellow Zinc Plated Grade 8 Steel Nylon-Insert Locknuts, 500PK X1E-FAS-NUT-LOC-1026x500
X1 Tools

1/2-13 Ultra H.P. Yellow Zinc Plated Grade 8 Steel Nylon-Insert Locknuts, 500PK

Zoro # G322844464
Mfr # X1E-FAS-NUT-LOC-1026x500
product price:  $952.99
/pk 500, $1.91/ea
X1 Tools 1/4-28 Corrosion-Resistant 316 Stainless Steel Nylon-Insert Locknuts, 6PK X1E-FAS-NUT-LOC-2326x6
X1 Tools

1/4-28 Corrosion-Resistant 316 Stainless Steel Nylon-Insert Locknuts, 6PK

Zoro # G522851897
Mfr # X1E-FAS-NUT-LOC-2326x6
product price:  $3.55
/pk 6, $0.59/ea
X1 Tools 1/4-28 Ultra Hi Performance Black-Oxide Steel Nylon-Insert Locknuts X1E-FAS-NUT-LOC-1212x1
X1 Tools

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

Zoro # G922852616
Mfr # X1E-FAS-NUT-LOC-1212x1
product price:  $1.15
/ea
X1 Tools M6 x 1 mm HP Black-Corrosion-Resistant-Coated Steel Nylon-Insert Locknuts, 2PK X1E-FAS-NUT-LOC-1814x2
X1 Tools

M6 x 1 mm HP Black-Corrosion-Resistant-Coated Steel Nylon-Insert Locknuts, 2PK

Zoro # G922852388
Mfr # X1E-FAS-NUT-LOC-1814x2
product price:  $16.19
/pk 2, $8.10/ea
Oxoxo 5/16-24 K Lock Nut Zinc and Bake, 1500PK 183598
Oxoxo

5/16-24 K Lock Nut Zinc and Bake, 1500PK

Zoro # G222667545
Mfr # 183598
product price:  $299.99
/pk 1500, $0.20/ea
Zoro Select Self Clinching Lock Nut, #6-32, Steel, Zinc Plated, 10000 PK 06-0NCL
Zoro Select

Self Clinching Lock Nut, #6-32, Steel, Zinc Plated, 10000 PK

Zoro # G2437240
Mfr # 06-0NCL
product price:  $809.99
/pk 10000, $0.08/ea
X1 Tools 3/8-16 Performance Black-Corrosion-Resistant-Coated Steel Thin-Profile Nylon-Insert Locknuts, 200PK X1E-FAS-NUT-LOC-3622x200
X1 Tools

3/8-16 Performance Black-Corrosion-Resistant-Coated Steel Thin-Profile Nylon-Insert Locknuts, 200PK

Zoro # G322862017
Mfr # X1E-FAS-NUT-LOC-3622x200
product price:  $779.99
/pk 200, $3.90/ea
X1 Tools 8-32 Performance Zinc-Plated Steel Nylon-Insert Locknuts, 4PK X1E-FAS-NUT-LOC-1920x4
X1 Tools

8-32 Performance Zinc-Plated Steel Nylon-Insert Locknuts, 4PK

Zoro # G322866053
Mfr # X1E-FAS-NUT-LOC-1920x4
product price:  $0.97
/pk 4, $0.24/ea
Sold in mult. of 10 for $9.70
X1 Tools M8 x 1.25 mm UHP Black-Corrosion-Resistant-Coated Steel Nylon-Insert Locknuts, 15PK X1E-FAS-NUT-LOC-1316x15
X1 Tools

M8 x 1.25 mm UHP Black-Corrosion-Resistant-Coated Steel Nylon-Insert Locknuts, 15PK

Zoro # G822846845
Mfr # X1E-FAS-NUT-LOC-1316x15
product price:  $90.45
/pk 15, $6.03/ea
X1 Tools M4 x 0.7 mm Hi-Performance Zinc-Plated Steel Nylon-Insert Locknuts, 8PK X1E-FAS-NUT-LOC-1636x8
X1 Tools

M4 x 0.7 mm Hi-Performance Zinc-Plated Steel Nylon-Insert Locknuts, 8PK

Zoro # G022866759
Mfr # X1E-FAS-NUT-LOC-1636x8
product price:  $1.79
/pk 8, $0.22/ea
Sold in mult. of 5 for $8.95
X1 Tools 5/8-18 UHP Yellow Zinc Plated Grade 8 Steel Thin-Profile Nylon-Insert Locknuts, 50PK X1E-FAS-NUT-LOC-3032x50
X1 Tools

5/8-18 UHP Yellow Zinc Plated Grade 8 Steel Thin-Profile Nylon-Insert Locknuts, 50PK

Zoro # G422865529
Mfr # X1E-FAS-NUT-LOC-3032x50
product price:  $209.99
/pk 50, $4.20/ea
X1 Tools 1 1/2-6 Ultra Hi Performance Grade 8 Steel Nylon-Insert Locknuts, 8PK X1E-FAS-NUT-LOC-1462x8
X1 Tools

1 1/2-6 Ultra Hi Performance Grade 8 Steel Nylon-Insert Locknuts, 8PK

Zoro # G822851009
Mfr # X1E-FAS-NUT-LOC-1462x8
product price:  $379.99
/pk 8, $47.50/ea
X1 Tools 5/8-18 UHP Black-Oxide Grade 8 Steel Thin-Profile Nylon-Insert Locknuts X1E-FAS-NUT-LOC-3230x1
X1 Tools

5/8-18 UHP Black-Oxide Grade 8 Steel Thin-Profile Nylon-Insert Locknuts

Zoro # G522845131
Mfr # X1E-FAS-NUT-LOC-3230x1
product price:  $6.15
/ea
Lock Nuts (10,000+ items) - Page 28
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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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