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  7. Lock Nuts

Lock Nuts (10,000+ items) - Page 244

X1 Tools 1/4-28 Corrosion-Resistant 316 Stainless Steel Nylon-Insert Locknuts, 25PK X1E-FAS-NUT-LOC-2326x25
X1 Tools

1/4-28 Corrosion-Resistant 316 Stainless Steel Nylon-Insert Locknuts, 25PK

Zoro # G422855018
Mfr # X1E-FAS-NUT-LOC-2326x25
product price:  $15.39
/pk 25, $0.62/ea
X1 Tools M5 x 0.8 mm Performance Zinc-Plated Steel Thin-Profile Nylon-Insert Locknuts, 2PK X1E-FAS-NUT-LOC-3480x2
X1 Tools

M5 x 0.8 mm Performance Zinc-Plated Steel Thin-Profile Nylon-Insert Locknuts, 2PK

Zoro # G522866471
Mfr # X1E-FAS-NUT-LOC-3480x2
product price:  $2.29
/pk 2, $1.15/ea
Sold in mult. of 4 for $9.16
X1 Tools 10-32 Black-Oxide Corrosion-Resistant 18-8 Stainless Steel Thin-Profile Nylon-Insert Locknuts, 20PK X1E-FAS-NUT-LOC-3818x20
X1 Tools

10-32 Black-Oxide Corrosion-Resistant 18-8 Stainless Steel Thin-Profile Nylon-Insert Locknuts, 20PK

Zoro # G422862139
Mfr # X1E-FAS-NUT-LOC-3818x20
product price:  $16.19
/pk 20, $0.81/ea
Oxoxo M12-1.75 Metric Conical K Keps Lock Nut A2 Stainless Steel Passivated, 200PK 637940
Oxoxo

M12-1.75 Metric Conical K Keps Lock Nut A2 Stainless Steel Passivated, 200PK

Zoro # G522687915
Mfr # 637940
product price:  $542.99
/pk 200, $2.71/ea
Oxoxo 1/2-13 Serrated Flange Hex Lock Nuts 18 8 Stainless Steel, 250PK 524922
Oxoxo

1/2-13 Serrated Flange Hex Lock Nuts 18 8 Stainless Steel, 250PK

Zoro # G622669019
Mfr # 524922
product price:  $149.99
/pk 250, $0.60/ea
X1 Tools 1-8 Performance Zinc-Plated Steel Nylon-Insert Locknuts, 6PK X1E-FAS-NUT-LOC-1964x6
X1 Tools

1-8 Performance Zinc-Plated Steel Nylon-Insert Locknuts, 6PK

Zoro # G722847799
Mfr # X1E-FAS-NUT-LOC-1964x6
product price:  $40.29
/pk 6, $6.72/ea
X1 Tools 1 1/2-12 UHP Yellow Zinc Plated Grade 8 Steel Thin-Profile Nylon-Insert Locknuts, 75PK X1E-FAS-NUT-LOC-3042x75
X1 Tools

1 1/2-12 UHP Yellow Zinc Plated Grade 8 Steel Thin-Profile Nylon-Insert Locknuts, 75PK

Zoro # G822855731
Mfr # X1E-FAS-NUT-LOC-3042x75
product price:  $5,325.99
/pk 75, $71.01/ea
X1 Tools 5/16-24 Performance Zinc-Plated Steel Thin-Profile Nylon-Insert Locknuts, 120PK X1E-FAS-NUT-LOC-3432x120
X1 Tools

5/16-24 Performance Zinc-Plated Steel Thin-Profile Nylon-Insert Locknuts, 120PK

Zoro # G122861043
Mfr # X1E-FAS-NUT-LOC-3432x120
product price:  $23.49
/pk 120, $0.20/ea
X1 Tools M16 x 2 mm Performance Zinc-Plated Steel Thin-Profile Nylon-Insert Locknuts, 75PK X1E-FAS-NUT-LOC-3492x75
X1 Tools

M16 x 2 mm Performance Zinc-Plated Steel Thin-Profile Nylon-Insert Locknuts, 75PK

Zoro # G622851209
Mfr # X1E-FAS-NUT-LOC-3492x75
product price:  $528.99
/pk 75, $7.05/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 5/16-24 UHP Black-Oxide Grade 8 Steel Thin-Profile Nylon-Insert Locknuts, 50PK X1E-FAS-NUT-LOC-3216x50
X1 Tools

5/16-24 UHP Black-Oxide Grade 8 Steel Thin-Profile Nylon-Insert Locknuts, 50PK

Zoro # G122856780
Mfr # X1E-FAS-NUT-LOC-3216x50
product price:  $138.99
/pk 50, $2.78/ea
X1 Tools M24 x 3 mm Performance Zinc-Plated Steel Thin-Profile Nylon-Insert Locknuts, 4PK X1E-FAS-NUT-LOC-3498x4
X1 Tools

M24 x 3 mm Performance Zinc-Plated Steel Thin-Profile Nylon-Insert Locknuts, 4PK

Zoro # G622847806
Mfr # X1E-FAS-NUT-LOC-3498x4
product price:  $121.99
/pk 4, $30.50/ea
X1 Tools 5/8-11 Hi-Performance Zinc-Plated Steel Nylon-Insert Locknuts, 50PK X1E-FAS-NUT-LOC-1622x50
X1 Tools

5/8-11 Hi-Performance Zinc-Plated Steel Nylon-Insert Locknuts, 50PK

Zoro # G122856124
Mfr # X1E-FAS-NUT-LOC-1622x50
product price:  $81.25
/pk 50, $1.63/ea
X1 Tools M8 x 1.25 mm Performance Zinc-Plated Steel Thin-Profile Nylon-Insert Locknuts, 12PK X1E-FAS-NUT-LOC-3484x12
X1 Tools

M8 x 1.25 mm Performance Zinc-Plated Steel Thin-Profile Nylon-Insert Locknuts, 12PK

Zoro # G622864469
Mfr # X1E-FAS-NUT-LOC-3484x12
product price:  $35.65
/pk 12, $2.97/ea
Oxoxo 7/8-9 Stover Alternative Automation Style Lock Nut Grade C Cad And Wax, 50PK 217033
Oxoxo

7/8-9 Stover Alternative Automation Style Lock Nut Grade C Cad And Wax, 50PK

Zoro # G022666793
Mfr # 217033
product price:  $162.99
/pk 50, $3.26/ea
X1 Tools 1/4-28 Corrosion-Resistant 316 Stainless Steel Thin-Profile Nylon-Insert Locknuts, 250PK X1E-FAS-NUT-LOC-3916x250
X1 Tools

1/4-28 Corrosion-Resistant 316 Stainless Steel Thin-Profile Nylon-Insert Locknuts, 250PK

Zoro # G122867328
Mfr # X1E-FAS-NUT-LOC-3916x250
product price:  $148.99
/pk 250, $0.60/ea
X1 Tools 3/8-24 Black-Oxide C.R. 18-8 Stainless Steel Nylon-Insert Locknuts, 12PK X1E-FAS-NUT-LOC-2242x12
X1 Tools

3/8-24 Black-Oxide C.R. 18-8 Stainless Steel Nylon-Insert Locknuts, 12PK

Zoro # G122856179
Mfr # X1E-FAS-NUT-LOC-2242x12
product price:  $40.55
/pk 12, $3.38/ea
X1 Tools 5/16-18 Performance Black-Corrosion-Resistant-Coated Steel Nylon-Ins. Locknuts, 75PK X1E-FAS-NUT-LOC-2020x75
X1 Tools

5/16-18 Performance Black-Corrosion-Resistant-Coated Steel Nylon-Ins. Locknuts, 75PK

Zoro # G022864465
Mfr # X1E-FAS-NUT-LOC-2020x75
product price:  $305.99
/pk 75, $4.08/ea
X1 Tools 1 1/2-6 Hi-Performance Zinc-Plated Steel Nylon-Insert Locknuts, 200PK X1E-FAS-NUT-LOC-1632x200
X1 Tools

1 1/2-6 Hi-Performance Zinc-Plated Steel Nylon-Insert Locknuts, 200PK

Zoro # G122858852
Mfr # X1E-FAS-NUT-LOC-1632x200
product price:  $8,809.99
/pk 200, $44.05/ea
X1 Tools 5/16-24 Corrosion-Resistant 18-8 Stainless Steel Nylon-Insert Locknuts, 12PK X1E-FAS-NUT-LOC-2128x12
X1 Tools

5/16-24 Corrosion-Resistant 18-8 Stainless Steel Nylon-Insert Locknuts, 12PK

Zoro # G622863288
Mfr # X1E-FAS-NUT-LOC-2128x12
product price:  $6.19
/pk 12, $0.52/ea
Sold in mult. of 2 for $12.38
X1 Tools 5/8-18 Hi Performance Zinc-Plated Steel Thin-Profile Nylon-Insert Locknuts, 500PK X1E-FAS-NUT-LOC-3312x500
X1 Tools

5/8-18 Hi Performance Zinc-Plated Steel Thin-Profile Nylon-Insert Locknuts, 500PK

Zoro # G522849184
Mfr # X1E-FAS-NUT-LOC-3312x500
product price:  $4,433.99
/pk 500, $8.87/ea
X1 Tools 1/2-20 Corrosion-Resistant 18-8 Stainless Steel Nylon-Insert Locknuts X1E-FAS-NUT-LOC-2134x1
X1 Tools

1/2-20 Corrosion-Resistant 18-8 Stainless Steel Nylon-Insert Locknuts

Zoro # G922853415
Mfr # X1E-FAS-NUT-LOC-2134x1
product price:  $2.85
/ea
Sold in mult. of 4 for $11.40
X1 Tools 1 1/2-12 Ultra Hi Performance Black-Oxide Steel Nylon-Insert Locknuts, 200PK X1E-FAS-NUT-LOC-1262x200
X1 Tools

1 1/2-12 Ultra Hi Performance Black-Oxide Steel Nylon-Insert Locknuts, 200PK

Zoro # G722846532
Mfr # X1E-FAS-NUT-LOC-1262x200
product price:  $13,257.99
/pk 200, $66.29/ea
X1 Tools 7/8-9 Corrosion-Resistant 18-8 Stainless Steel Nylon-Insert Locknuts, 120PK X1E-FAS-NUT-LOC-2141x120
X1 Tools

7/8-9 Corrosion-Resistant 18-8 Stainless Steel Nylon-Insert Locknuts, 120PK

Zoro # G422849444
Mfr # X1E-FAS-NUT-LOC-2141x120
product price:  $1,265.99
/pk 120, $10.55/ea
X1 Tools 10-24 Performance Black-Corrosion-Resistant-Coated Steel Thin-Profile Nylon-Insert Locknuts, 100PK X1E-FAS-NUT-LOC-3614x100
X1 Tools

10-24 Performance Black-Corrosion-Resistant-Coated Steel Thin-Profile Nylon-Insert Locknuts, 100PK

Zoro # G122854939
Mfr # X1E-FAS-NUT-LOC-3614x100
product price:  $355.99
/pk 100, $3.56/ea
Newport Fasteners Nylon Insert Lock Nut, #4-48, 316 Stainless Steel, Not Graded, 100 PK 395027-PR-100
Newport Fasteners

Nylon Insert Lock Nut, #4-48, 316 Stainless Steel, Not Graded, 100 PK

Zoro # G306329826
Mfr # 395027-PR-100
product price:  $30.69
/pk 100, $0.31/ea
X1 Tools M12 x 1.75 mm Performance Zinc-Plated Steel Nylon-Insert Locknuts, 1000PK X1E-FAS-NUT-LOC-1982x1000
X1 Tools

M12 x 1.75 mm Performance Zinc-Plated Steel Nylon-Insert Locknuts, 1000PK

Zoro # G422847143
Mfr # X1E-FAS-NUT-LOC-1982x1000
product price:  $867.99
/pk 1000, $0.87/ea
Newport Fasteners Nylon Insert Lock Nut, 3/4"-10, Steel, Grade A, Zinc Plated, 50 PK 481000-PR-50
Newport Fasteners

Nylon Insert Lock Nut, 3/4"-10, Steel, Grade A, Zinc Plated, 50 PK

Zoro # G406327975
Mfr # 481000-PR-50
product price:  $372.99
/pk 50, $7.46/ea
X1 Tools 3/8-16 Corrosion-Resistant 316 Stainless Steel Thin-Profile Nylon-Insert Locknuts, 15PK X1E-FAS-NUT-LOC-3922x15
X1 Tools

3/8-16 Corrosion-Resistant 316 Stainless Steel Thin-Profile Nylon-Insert Locknuts, 15PK

Zoro # G022851915
Mfr # X1E-FAS-NUT-LOC-3922x15
product price:  $25.25
/pk 15, $1.68/ea
Oxoxo M12-1.75 Din 985 Metric Class 10 Nylon Insert Hex Locknut Zinc, 300PK 627711
Oxoxo

M12-1.75 Din 985 Metric Class 10 Nylon Insert Hex Locknut Zinc, 300PK

Zoro # G022700008
Mfr # 627711
product price:  $164.34
/pk 300, $0.55/ea
Zoro Select Lock Nut, 1/4"-28, 18-8 Stainless Steel, Not Graded, 250 PK 15NXL188
Zoro Select

Lock Nut, 1/4"-28, 18-8 Stainless Steel, Not Graded, 250 PK

Zoro # G2454345
Mfr # 15NXL188
product price:  $234.99
/pk 250, $0.94/ea
Newport Fasteners Serrated Lock Nut, 5/16"-18, Steel, Zinc Plated, 0.17 in Ht, 1500 PK 689133
Newport Fasteners

Serrated Lock Nut, 5/16"-18, Steel, Zinc Plated, 0.17 in Ht, 1500 PK

Zoro # G706308957
Mfr # 689133
product price:  $189.99
/pk 1500, $0.13/ea
X1 Tools 6-32 Performance Zinc-Plated Steel Nylon-Insert Locknuts, 120PK X1E-FAS-NUT-LOC-1918x120
X1 Tools

6-32 Performance Zinc-Plated Steel Nylon-Insert Locknuts, 120PK

Zoro # G822849631
Mfr # X1E-FAS-NUT-LOC-1918x120
product price:  $15.89
/pk 120, $0.13/ea
X1 Tools 8-32 Performance Zinc-Plated Steel Nylon-Insert Locknuts, 500PK X1E-FAS-NUT-LOC-1920x500
X1 Tools

8-32 Performance Zinc-Plated Steel Nylon-Insert Locknuts, 500PK

Zoro # G222856918
Mfr # X1E-FAS-NUT-LOC-1920x500
product price:  $59.45
/pk 500, $0.12/ea
X1 Tools 1 1/4-12 UHP Black-Oxide Grade 8 Steel Thin-Profile Nylon-Insert Locknuts, 500PK X1E-FAS-NUT-LOC-3238x500
X1 Tools

1 1/4-12 UHP Black-Oxide Grade 8 Steel Thin-Profile Nylon-Insert Locknuts, 500PK

Zoro # G022855777
Mfr # X1E-FAS-NUT-LOC-3238x500
product price:  $15,799.99
/pk 500, $31.60/ea
Newport Fasteners Nylon Insert Lock Nut, #4-48, 18-8 Stainless Steel, Not Graded, 100 PK 755094-PR-100
Newport Fasteners

Nylon Insert Lock Nut, #4-48, 18-8 Stainless Steel, Not Graded, 100 PK

Zoro # G106329941
Mfr # 755094-PR-100
product price:  $40.55
/pk 100, $0.41/ea
Lock Nuts (10,000+ items) - Page 244
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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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