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  7. Lock Nuts

Lock Nuts (10,000+ items) - Page 251

X1 Tools 5/16-24 Corrosion-Resistant 18-8 Stainless Steel Thin-Profile Nylon-Insert Locknuts, 10PK X1E-FAS-NUT-LOC-3726x10
X1 Tools

5/16-24 Corrosion-Resistant 18-8 Stainless Steel Thin-Profile Nylon-Insert Locknuts, 10PK

Zoro # G222851203
Mfr # X1E-FAS-NUT-LOC-3726x10
product price:  $5.55
/pk 10, $0.55/ea
Sold in mult. of 2 for $11.10
X1 Tools 3/8-16 Corrosion-Resistant 18-8 Stainless Steel Thin-Profile Nylon-Insert Locknuts, 12PK X1E-FAS-NUT-LOC-3728x12
X1 Tools

3/8-16 Corrosion-Resistant 18-8 Stainless Steel Thin-Profile Nylon-Insert Locknuts, 12PK

Zoro # G522845469
Mfr # X1E-FAS-NUT-LOC-3728x12
product price:  $12.15
/pk 12, $1.01/ea
Newport Fasteners Nylon Insert Lock Nut, #12-24, 316 Stainless Steel, Not Graded, 5000 PK 251518-BR-5000
Newport Fasteners

Nylon Insert Lock Nut, #12-24, 316 Stainless Steel, Not Graded, 5000 PK

Zoro # G006327788
Mfr # 251518-BR-5000
product price:  $2,206.99
/pk 5000, $0.44/ea
X1 Tools 1/2-20 Corrosion-Resistant 316 Stainless Steel Thin-Profile Nylon-Insert Locknuts, 1000PK X1E-FAS-NUT-LOC-3932x1000
X1 Tools

1/2-20 Corrosion-Resistant 316 Stainless Steel Thin-Profile Nylon-Insert Locknuts, 1000PK

Zoro # G022860047
Mfr # X1E-FAS-NUT-LOC-3932x1000
product price:  $2,968.99
/pk 1000, $2.97/ea
X1 Tools 3/4-16 Corrosion-Resistant 18-8 Stainless Steel Thin-Profile Nylon-Insert Locknuts, 6PK X1E-FAS-NUT-LOC-3748x6
X1 Tools

3/4-16 Corrosion-Resistant 18-8 Stainless Steel Thin-Profile Nylon-Insert Locknuts, 6PK

Zoro # G422852512
Mfr # X1E-FAS-NUT-LOC-3748x6
product price:  $191.99
/pk 6, $32.00/ea
X1 Tools 5/8-18 Performance Zinc-Plated Steel Thin-Profile Nylon-Insert Locknuts, 200PK X1E-FAS-NUT-LOC-3452x200
X1 Tools

5/8-18 Performance Zinc-Plated Steel Thin-Profile Nylon-Insert Locknuts, 200PK

Zoro # G122853550
Mfr # X1E-FAS-NUT-LOC-3452x200
product price:  $147.99
/pk 200, $0.74/ea
X1 Tools 3/8-24 UHP Yellow Zinc Plated Grade 8 Steel Thin-Profile Nylon-Insert Locknuts, 250PK X1E-FAS-NUT-LOC-3020x250
X1 Tools

3/8-24 UHP Yellow Zinc Plated Grade 8 Steel Thin-Profile Nylon-Insert Locknuts, 250PK

Zoro # G422858859
Mfr # X1E-FAS-NUT-LOC-3020x250
product price:  $148.99
/pk 250, $0.60/ea
Molex Nyl Locknut Pg42 Gy RAL7001 936000493
Molex

Nyl Locknut Pg42 Gy RAL7001

Zoro # G4042988
Mfr # 936000493
product price:  $2.55
/ea
Sold in mult. of 29 for $73.95
Oxoxo 10-32-2 Self Clinching Nut 303 Stainless Steel, 5000PK 304629
Oxoxo

10-32-2 Self Clinching Nut 303 Stainless Steel, 5000PK

Zoro # G822694286
Mfr # 304629
product price:  $3,574.99
/pk 5000, $0.71/ea
X1 Tools 3/8-24 Corrosion-Resistant 316 Stainless Steel Nylon-Insert Locknuts X1E-FAS-NUT-LOC-2334x1
X1 Tools

3/8-24 Corrosion-Resistant 316 Stainless Steel Nylon-Insert Locknuts

Zoro # G822863408
Mfr # X1E-FAS-NUT-LOC-2334x1
product price:  $1.59
/ea
X1 Tools 5/16-18 UHP Yellow Zinc Plated Grade 8 Steel Thin-Profile Nylon-Insert Locknuts, 15PK X1E-FAS-NUT-LOC-3014x15
X1 Tools

5/16-18 UHP Yellow Zinc Plated Grade 8 Steel Thin-Profile Nylon-Insert Locknuts, 15PK

Zoro # G722857491
Mfr # X1E-FAS-NUT-LOC-3014x15
product price:  $10.99
/pk 15, $0.73/ea
X1 Tools 1 1/4-12 Ultra Hi Performance Black-Oxide Steel Nylon-Insert Locknuts, 200PK X1E-FAS-NUT-LOC-1256x200
X1 Tools

1 1/4-12 Ultra Hi Performance Black-Oxide Steel Nylon-Insert Locknuts, 200PK

Zoro # G222847947
Mfr # X1E-FAS-NUT-LOC-1256x200
product price:  $9,085.99
/pk 200, $45.43/ea
Oxoxo 7/16-20 Serrated Flange Hex Lock Nuts Case Hardened HR15N 78/90 Zinc And Bake, 500PK 195913
Oxoxo

7/16-20 Serrated Flange Hex Lock Nuts Case Hardened HR15N 78/90 Zinc And Bake, 500PK

Zoro # G522689124
Mfr # 195913
product price:  $138.99
/pk 500, $0.28/ea
X1 Tools 3/8-16 UHP Black-Oxide Grade 8 Steel Thin-Profile Nylon-Insert Locknuts, 120PK X1E-FAS-NUT-LOC-3218x120
X1 Tools

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

Zoro # G222848081
Mfr # X1E-FAS-NUT-LOC-3218x120
product price:  $189.99
/pk 120, $1.58/ea
Newport Fasteners Nylon Insert Lock Nut, 3/8"-16, Steel, Grade A, Zinc Plated, 1200 PK 597397-BR-1200
Newport Fasteners

Nylon Insert Lock Nut, 3/8"-16, Steel, Grade A, Zinc Plated, 1200 PK

Zoro # G906329783
Mfr # 597397-BR-1200
product price:  $765.99
/pk 1200, $0.64/ea
Oxoxo 4-40-2 Self Clinching Nut 303 Stainless Steel, 5000PK 304490
Oxoxo

4-40-2 Self Clinching Nut 303 Stainless Steel, 5000PK

Zoro # G822693111
Mfr # 304490
product price:  $2,184.99
/pk 5000, $0.44/ea
Oxoxo 3/8-16 NE Nylon Insert Hex Lock Nut 18 8 Stainless Steel Black Oxide and Oil, 500PK 439305
Oxoxo

3/8-16 NE Nylon Insert Hex Lock Nut 18 8 Stainless Steel Black Oxide and Oil, 500PK

Zoro # G622683541
Mfr # 439305
product price:  $360.99
/pk 500, $0.72/ea
X1 Tools 3/4-16 Ultra H.P. Yellow Zinc Plated Grade 8 Steel Nylon-Insert Locknuts, 10PK X1E-FAS-NUT-LOC-1040x10
X1 Tools

3/4-16 Ultra H.P. Yellow Zinc Plated Grade 8 Steel Nylon-Insert Locknuts, 10PK

Zoro # G122847306
Mfr # X1E-FAS-NUT-LOC-1040x10
product price:  $45.75
/pk 10, $4.58/ea
X1 Tools 1/2-13 Corrosion-Resistant 18-8 Stainless Steel Nylon-Insert Locknuts, 120PK X1E-FAS-NUT-LOC-2133x120
X1 Tools

1/2-13 Corrosion-Resistant 18-8 Stainless Steel Nylon-Insert Locknuts, 120PK

Zoro # G622857263
Mfr # X1E-FAS-NUT-LOC-2133x120
product price:  $165.99
/pk 120, $1.38/ea
X1 Tools 1-14 Corrosion-Resistant 18-8 Stainless Steel Thin-Profile Nylon-Insert Locknuts, 120PK X1E-FAS-NUT-LOC-3756x120
X1 Tools

1-14 Corrosion-Resistant 18-8 Stainless Steel Thin-Profile Nylon-Insert Locknuts, 120PK

Zoro # G222850138
Mfr # X1E-FAS-NUT-LOC-3756x120
product price:  $4,993.99
/pk 120, $41.62/ea
Zoro Select Lock Nut, 9/16"-18, Steel, Grade C, Wax, 0.286 in Ht, 300 PK 57NO
Zoro Select

Lock Nut, 9/16"-18, Steel, Grade C, Wax, 0.286 in Ht, 300 PK

Zoro # G2447092
Mfr # 57NO
product price:  $198.99
/pk 300, $0.66/ea
X1 Tools 10-24 Black-Oxide Corrosion-Resistant 18-8 Stainless Steel Thin-Profile Nylon-Insert Locknuts, 150PK X1E-FAS-NUT-LOC-3816x150
X1 Tools

10-24 Black-Oxide Corrosion-Resistant 18-8 Stainless Steel Thin-Profile Nylon-Insert Locknuts, 150PK

Zoro # G622858925
Mfr # X1E-FAS-NUT-LOC-3816x150
product price:  $84.19
/pk 150, $0.56/ea
Newport Fasteners Nylon Insert Lock Nut, 1/2"-13, Steel, Grade A, Zinc Plated, 1000 PK 619705-BR-1000
Newport Fasteners

Nylon Insert Lock Nut, 1/2"-13, Steel, Grade A, Zinc Plated, 1000 PK

Zoro # G406329658
Mfr # 619705-BR-1000
product price:  $290.99
/pk 1000, $0.29/ea
X1 Tools 12-24 Performance Zinc-Plated Steel Thin-Profile Nylon-Insert Locknuts, 10PK X1E-FAS-NUT-LOC-3424x10
X1 Tools

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

Zoro # G322859314
Mfr # X1E-FAS-NUT-LOC-3424x10
product price:  $2.55
/pk 10, $0.26/ea
Sold in mult. of 4 for $10.20
X1 Tools 9/16-18 Corrosion-Resistant 18-8 Stainless Steel Nylon-Insert Locknuts, 12PK X1E-FAS-NUT-LOC-2136x12
X1 Tools

9/16-18 Corrosion-Resistant 18-8 Stainless Steel Nylon-Insert Locknuts, 12PK

Zoro # G222859933
Mfr # X1E-FAS-NUT-LOC-2136x12
product price:  $64.99
/pk 12, $5.42/ea
X1 Tools 5/16-24 UHP Black-Oxide Grade 8 Steel Thin-Profile Nylon-Insert Locknuts, 15PK X1E-FAS-NUT-LOC-3216x15
X1 Tools

5/16-24 UHP Black-Oxide Grade 8 Steel Thin-Profile Nylon-Insert Locknuts, 15PK

Zoro # G922863483
Mfr # X1E-FAS-NUT-LOC-3216x15
product price:  $46.99
/pk 15, $3.13/ea
X1 Tools 1/4-20 Performance Zinc-Plated Steel Thin-Profile Nylon-Insert Locknuts, 200PK X1E-FAS-NUT-LOC-3426x200
X1 Tools

1/4-20 Performance Zinc-Plated Steel Thin-Profile Nylon-Insert Locknuts, 200PK

Zoro # G822865938
Mfr # X1E-FAS-NUT-LOC-3426x200
product price:  $29.79
/pk 200, $0.15/ea
X1 Tools 5/16-18 Corrosion-Resistant 316 Stainless Steel Nylon-Insert Locknuts, 8PK X1E-FAS-NUT-LOC-2328x8
X1 Tools

5/16-18 Corrosion-Resistant 316 Stainless Steel Nylon-Insert Locknuts, 8PK

Zoro # G422856589
Mfr # X1E-FAS-NUT-LOC-2328x8
product price:  $5.25
/pk 8, $0.66/ea
Sold in mult. of 2 for $10.50
X1 Tools 3/8-16 Ultra H.P. Yellow Zinc Plated Grade 8 Steel Nylon-Insert Locknuts, 50PK X1E-FAS-NUT-LOC-1018x50
X1 Tools

3/8-16 Ultra H.P. Yellow Zinc Plated Grade 8 Steel Nylon-Insert Locknuts, 50PK

Zoro # G922844581
Mfr # X1E-FAS-NUT-LOC-1018x50
product price:  $40.59
/pk 50, $0.81/ea
Oxoxo M8-1.25 Din 985 Metric Class 8 Nylon Insert Hex Locknut Black Oxide and Oil, 1000PK 559092
Oxoxo

M8-1.25 Din 985 Metric Class 8 Nylon Insert Hex Locknut Black Oxide and Oil, 1000PK

Zoro # G322675938
Mfr # 559092
product price:  $126.99
/pk 1000, $0.13/ea
X1 Tools 1/4-20 Performance Zinc-Plated Steel Thin-Profile Nylon-Insert Locknuts, 12PK X1E-FAS-NUT-LOC-3426x12
X1 Tools

1/4-20 Performance Zinc-Plated Steel Thin-Profile Nylon-Insert Locknuts, 12PK

Zoro # G722859082
Mfr # X1E-FAS-NUT-LOC-3426x12
product price:  $2.29
/pk 12, $0.19/ea
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 1/4-20 Performance Black-Corrosion-Resistant-Coated Steel Nylon-Insert Locknuts, 100PK X1E-FAS-NUT-LOC-2018x100
X1 Tools

1/4-20 Performance Black-Corrosion-Resistant-Coated Steel Nylon-Insert Locknuts, 100PK

Zoro # G822852181
Mfr # X1E-FAS-NUT-LOC-2018x100
product price:  $384.99
/pk 100, $3.85/ea
X1 Tools 10-32 Corrosion-Resistant 316 Stainless Steel Nylon-Insert Locknuts, 20PK X1E-FAS-NUT-LOC-2320x20
X1 Tools

10-32 Corrosion-Resistant 316 Stainless Steel Nylon-Insert Locknuts, 20PK

Zoro # G522863807
Mfr # X1E-FAS-NUT-LOC-2320x20
product price:  $10.75
/pk 20, $0.54/ea
Newport Fasteners Nylon Insert Lock Nut, 1/4"-28, Steel, Grade A, Zinc Plated, 100 PK 176449-PR-100
Newport Fasteners

Nylon Insert Lock Nut, 1/4"-28, Steel, Grade A, Zinc Plated, 100 PK

Zoro # G006327528
Mfr # 176449-PR-100
product price:  $40.55
/pk 100, $0.41/ea
X1 Tools M4 x 0.7 mm Performance Zinc-Plated Steel Thin-Profile Nylon-Insert Locknuts, 25PK X1E-FAS-NUT-LOC-3478x25
X1 Tools

M4 x 0.7 mm Performance Zinc-Plated Steel Thin-Profile Nylon-Insert Locknuts, 25PK

Zoro # G922864145
Mfr # X1E-FAS-NUT-LOC-3478x25
product price:  $21.15
/pk 25, $0.85/ea
Lock Nuts (10,000+ items) - Page 251
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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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