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  7. Lock Nuts

Lock Nuts (10,000+ items) - Page 15

X1 Tools 9/16-12 Ultra Hi Performance Black-Oxide Steel Nylon-Insert Locknuts, 120PK X1E-FAS-NUT-LOC-1230x120
X1 Tools

9/16-12 Ultra Hi Performance Black-Oxide Steel Nylon-Insert Locknuts, 120PK

Zoro # G222846285
Mfr # X1E-FAS-NUT-LOC-1230x120
product price:  $350.99
/pk 120, $2.92/ea
X1 Tools M22 x 2.5 mm Corrosion-Resistant 316 Stainless Steel Nylon-Insert Locknuts X1E-FAS-NUT-LOC-2396x1
X1 Tools

M22 x 2.5 mm Corrosion-Resistant 316 Stainless Steel Nylon-Insert Locknuts

Zoro # G322851073
Mfr # X1E-FAS-NUT-LOC-2396x1
product price:  $21.15
/ea
X1 Tools 1 1/8-12 UHP Zinc-Plated Grade 8 Steel Thin-Profile Nylon-Insert Locknuts, 200PK X1E-FAS-NUT-LOC-3122x200
X1 Tools

1 1/8-12 UHP Zinc-Plated Grade 8 Steel Thin-Profile Nylon-Insert Locknuts, 200PK

Zoro # G822845114
Mfr # X1E-FAS-NUT-LOC-3122x200
product price:  $4,844.99
/pk 200, $24.22/ea
X1 Tools M5 x 0.8 mm Ultra Hi Performance Zinc-Plated Steel Nylon-Insert Locknuts, 100PK X1E-FAS-NUT-LOC-1112x100
X1 Tools

M5 x 0.8 mm Ultra Hi Performance Zinc-Plated Steel Nylon-Insert Locknuts, 100PK

Zoro # G922844239
Mfr # X1E-FAS-NUT-LOC-1112x100
product price:  $44.59
/pk 100, $0.45/ea
X1 Tools 1 1/2-6 Corrosion-Resistant 18-8 Stainless Steel Thin-Profile Nylon-Insert Locknuts, 200PK X1E-FAS-NUT-LOC-3764x200
X1 Tools

1 1/2-6 Corrosion-Resistant 18-8 Stainless Steel Thin-Profile Nylon-Insert Locknuts, 200PK

Zoro # G622860904
Mfr # X1E-FAS-NUT-LOC-3764x200
product price:  $12,201.99
/pk 200, $61.01/ea
X1 Tools M12 x 1.75 mm Performance Zinc-Plated Steel Nylon-Insert Locknuts, 15PK X1E-FAS-NUT-LOC-1982x15
X1 Tools

M12 x 1.75 mm Performance Zinc-Plated Steel Nylon-Insert Locknuts, 15PK

Zoro # G822861671
Mfr # X1E-FAS-NUT-LOC-1982x15
product price:  $15.59
/pk 15, $1.04/ea
X1 Tools 1/2-20 Corrosion-Resistant 18-8 Stainless Steel Nylon-Insert Locknuts, 500PK X1E-FAS-NUT-LOC-2134x500
X1 Tools

1/2-20 Corrosion-Resistant 18-8 Stainless Steel Nylon-Insert Locknuts, 500PK

Zoro # G222848869
Mfr # X1E-FAS-NUT-LOC-2134x500
product price:  $1,182.99
/pk 500, $2.37/ea
X1 Tools 7/16-20 Ultra Hi Performance Black-Oxide Steel Nylon-Insert Locknuts, 10PK X1E-FAS-NUT-LOC-1224x10
X1 Tools

7/16-20 Ultra Hi Performance Black-Oxide Steel Nylon-Insert Locknuts, 10PK

Zoro # G022844832
Mfr # X1E-FAS-NUT-LOC-1224x10
product price:  $16.79
/pk 10, $1.68/ea
X1 Tools 2-56 Corrosion-Resistant 18-8 Stainless Steel Nylon-Insert Locknuts, 12PK X1E-FAS-NUT-LOC-2111x12
X1 Tools

2-56 Corrosion-Resistant 18-8 Stainless Steel Nylon-Insert Locknuts, 12PK

Zoro # G222863183
Mfr # X1E-FAS-NUT-LOC-2111x12
product price:  $5.35
/pk 12, $0.45/ea
X1 Tools 5/8-11 Ultra H.P. Yellow Zinc Plated Grade 8 Steel Nylon-Insert Locknuts, 400PK X1E-FAS-NUT-LOC-1034x400
X1 Tools

5/8-11 Ultra H.P. Yellow Zinc Plated Grade 8 Steel Nylon-Insert Locknuts, 400PK

Zoro # G422846061
Mfr # X1E-FAS-NUT-LOC-1034x400
product price:  $1,475.99
/pk 400, $3.69/ea
X1 Tools M4 x 0.7 mm Corrosion-Resistant 316 Stainless Steel Nylon-Insert Locknuts, 12PK X1E-FAS-NUT-LOC-2376x12
X1 Tools

M4 x 0.7 mm Corrosion-Resistant 316 Stainless Steel Nylon-Insert Locknuts, 12PK

Zoro # G022856187
Mfr # X1E-FAS-NUT-LOC-2376x12
product price:  $6.15
/pk 12, $0.51/ea
Sold in mult. of 2 for $12.30
X1 Tools 1/4-28 Black-Oxide C.R. 18-8 Stainless Steel Nylon-Insert Locknuts X1E-FAS-NUT-LOC-2234x1
X1 Tools

1/4-28 Black-Oxide C.R. 18-8 Stainless Steel Nylon-Insert Locknuts

Zoro # G922846455
Mfr # X1E-FAS-NUT-LOC-2234x1
product price:  $2.49
/ea
X1 Tools M24 x 3 mm Corrosion-Resistant 316 Stainless Steel Nylon-Insert Locknuts, 8PK X1E-FAS-NUT-LOC-2398x8
X1 Tools

M24 x 3 mm Corrosion-Resistant 316 Stainless Steel Nylon-Insert Locknuts, 8PK

Zoro # G222867341
Mfr # X1E-FAS-NUT-LOC-2398x8
product price:  $366.99
/pk 8, $45.87/ea
Whittet-Higgins 18 Threads per Inch, 3-5/32 in. Outside Diameter BH-12
Whittet-Higgins

18 Threads per Inch, 3-5/32 in. Outside Diameter

Zoro # G912509803
Mfr # BH-12
product price:  $30.25
/ea
X1 Tools 3/8-16 Corrosion-Resistant 316 Stainless Steel Thin-Profile Nylon-Insert Locknuts, 50PK X1E-FAS-NUT-LOC-3922x50
X1 Tools

3/8-16 Corrosion-Resistant 316 Stainless Steel Thin-Profile Nylon-Insert Locknuts, 50PK

Zoro # G922852258
Mfr # X1E-FAS-NUT-LOC-3922x50
product price:  $68.59
/pk 50, $1.37/ea
X1 Tools 9/16-12 Corrosion-Resistant 316 Stainless Steel Nylon-Insert Locknuts, 25PK X1E-FAS-NUT-LOC-2344x25
X1 Tools

9/16-12 Corrosion-Resistant 316 Stainless Steel Nylon-Insert Locknuts, 25PK

Zoro # G722850720
Mfr # X1E-FAS-NUT-LOC-2344x25
product price:  $191.99
/pk 25, $7.68/ea
X1 Tools 1/2-20 Ultra Hi Performance Black-Oxide Steel Nylon-Insert Locknuts, 10PK X1E-FAS-NUT-LOC-1228x10
X1 Tools

1/2-20 Ultra Hi Performance Black-Oxide Steel Nylon-Insert Locknuts, 10PK

Zoro # G822846135
Mfr # X1E-FAS-NUT-LOC-1228x10
product price:  $20.69
/pk 10, $2.07/ea
X1 Tools 1/2-20 Performance Zinc-Plated Steel Thin-Profile Nylon-Insert Locknuts, 20PK X1E-FAS-NUT-LOC-3444x20
X1 Tools

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

Zoro # G822859449
Mfr # X1E-FAS-NUT-LOC-3444x20
product price:  $13.29
/pk 20, $0.66/ea
Newport Fasteners Serrated Lock Nut, 3/8"-16, 18-8 Stainless Steel, Not Graded, 0.23 in Ht, 100 PK NB045030P-100
Newport Fasteners

Serrated Lock Nut, 3/8"-16, 18-8 Stainless Steel, Not Graded, 0.23 in Ht, 100 PK

Zoro # G106308687
Mfr # NB045030P-100
product price:  $84.15
/pk 100, $0.84/ea
X1 Tools M8 x 1.25 mm Performance Zinc-Plated Steel Thin-Profile Nylon-Insert Locknuts X1E-FAS-NUT-LOC-3484x1
X1 Tools

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

Zoro # G422850983
Mfr # X1E-FAS-NUT-LOC-3484x1
product price:  $3.65
/ea
Pflitsch Lock Nut, M40-1.50, Nickel Plated Brass, Nickel GMM240/7PA
Pflitsch

Lock Nut, M40-1.50, Nickel Plated Brass, Nickel

Zoro # G7897663
Mfr # GMM240/7PA
product price:  $4.99
/ea
Sold in mult. of 2 for $9.98
Pflitsch Lock Nut, M25-1.50, Polyamide 1420/225
Pflitsch

Lock Nut, M25-1.50, Polyamide

Zoro # G7902913
Mfr # 1420/225
product price:  $0.32
/ea
Sold in mult. of 39 for $12.48
X1 Tools 5/16-24 UHP Yellow Zinc Plated Grade 8 Steel Thin-Profile Nylon-Insert Locknuts, 2PK X1E-FAS-NUT-LOC-3016x2
X1 Tools

5/16-24 UHP Yellow Zinc Plated Grade 8 Steel Thin-Profile Nylon-Insert Locknuts, 2PK

Zoro # G122853963
Mfr # X1E-FAS-NUT-LOC-3016x2
product price:  $10.75
/pk 2, $5.38/ea
Sold in mult. of 2 for $21.50
X1 Tools 1 1/4-12 Ultra H.P. Yellow Zinc Plated Grade 8 Steel Nylon-Insert Locknuts, 20PK X1E-FAS-NUT-LOC-1060x20
X1 Tools

1 1/4-12 Ultra H.P. Yellow Zinc Plated Grade 8 Steel Nylon-Insert Locknuts, 20PK

Zoro # G522849559
Mfr # X1E-FAS-NUT-LOC-1060x20
product price:  $776.99
/pk 20, $38.85/ea
Zoro Select Lock Nut, 1-1/4"-12, Steel, Grade C, Wax, 0.698 in Ht, 15 PK 126NO
Zoro Select

Lock Nut, 1-1/4"-12, Steel, Grade C, Wax, 0.698 in Ht, 15 PK

Zoro # G2447004
Mfr # 126NO
product price:  $130.99
/pk 15, $8.73/ea
Zoro Select C31758-M508-3B Spring Nut Retainer Zinc, 1000Pk 613693
Zoro Select

C31758-M508-3B Spring Nut Retainer Zinc, 1000Pk

Zoro # G915626415
Mfr # 613693
product price:  $290.99
/pk 1000, $0.29/ea
X1 Tools M5 x 0.8 mm Corrosion-Resistant 18-8 Stainless Steel Nylon-Insert Locknuts, 75PK X1E-FAS-NUT-LOC-2154x75
X1 Tools

M5 x 0.8 mm Corrosion-Resistant 18-8 Stainless Steel Nylon-Insert Locknuts, 75PK

Zoro # G822847354
Mfr # X1E-FAS-NUT-LOC-2154x75
product price:  $18.19
/pk 75, $0.24/ea
X1 Tools 1/4-20 Corrosion-Resistant 316 Stainless Steel Nylon-Insert Locknuts, 50PK X1E-FAS-NUT-LOC-2324x50
X1 Tools

1/4-20 Corrosion-Resistant 316 Stainless Steel Nylon-Insert Locknuts, 50PK

Zoro # G222860342
Mfr # X1E-FAS-NUT-LOC-2324x50
product price:  $25.19
/pk 50, $0.50/ea
X1 Tools 3/8-16 Performance Zinc-Plated Steel Thin-Profile Nylon-Insert Locknuts, 150PK X1E-FAS-NUT-LOC-3434x150
X1 Tools

3/8-16 Performance Zinc-Plated Steel Thin-Profile Nylon-Insert Locknuts, 150PK

Zoro # G422852468
Mfr # X1E-FAS-NUT-LOC-3434x150
product price:  $35.99
/pk 150, $0.24/ea
X1 Tools 1/2-13 Corrosion-Resistant 316 Stainless Steel Nylon-Insert Locknuts, 50PK X1E-FAS-NUT-LOC-2340x50
X1 Tools

1/2-13 Corrosion-Resistant 316 Stainless Steel Nylon-Insert Locknuts, 50PK

Zoro # G922854009
Mfr # X1E-FAS-NUT-LOC-2340x50
product price:  $102.99
/pk 50, $2.06/ea
Zoro Select Lock Nut, Steel, 11/64", PK2 FLJNFI087CAD-002P
Zoro Select

Lock Nut, Steel, 11/64", PK2

Zoro # G822962064
Mfr # FLJNFI087CAD-002P
product price:  $25.79
/pk 2, $12.90/ea
X1 Tools 5/8-18 Performance Zinc-Plated Steel Nylon-Insert Locknuts, 120PK X1E-FAS-NUT-LOC-1954x120
X1 Tools

5/8-18 Performance Zinc-Plated Steel Nylon-Insert Locknuts, 120PK

Zoro # G622852411
Mfr # X1E-FAS-NUT-LOC-1954x120
product price:  $148.99
/pk 120, $1.24/ea
Newport Fasteners Flexible Top Lock Nut, 3/8"-16, 18-8 Stainless Steel, Not Graded, 125 PK 187348
Newport Fasteners

Flexible Top Lock Nut, 3/8"-16, 18-8 Stainless Steel, Not Graded, 125 PK

Zoro # G906327512
Mfr # 187348
product price:  $509.99
/pk 125, $4.08/ea
Boltsandnuts.Com Lock Nut, 3/4"-16, Grade L9, Zinc Yellow, 20 PK 75FHLNL9Y-20
Boltsandnuts.Com

Lock Nut, 3/4"-16, Grade L9, Zinc Yellow, 20 PK

Zoro # G214488615
Mfr # 75FHLNL9Y-20
product price:  $183.99
/pk 20, $9.20/ea
Midwest Fastener External Tooth Lock Washer Lock Nut, 5/16"-18, 18-8 Stainless Steel, Not Graded, 10 PK 33787
Midwest Fastener

External Tooth Lock Washer Lock Nut, 5/16"-18, 18-8 Stainless Steel, Not Graded, 10 PK

Zoro # G902526674
Mfr # 33787
product price:  $8.55
/pk 10, $0.86/ea
Boltsandnuts.Com Nylon Insert Lock Nut, M12-1.75, Class 8, Zinc Plated, 50 PK M12CNFN8Z-50
Boltsandnuts.Com

Nylon Insert Lock Nut, M12-1.75, Class 8, Zinc Plated, 50 PK

Zoro # G114504644
Mfr # M12CNFN8Z-50
product price:  $50.35
/pk 50, $1.01/ea
Lock Nuts (10,000+ items) - Page 15
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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 nuts2 inch locknutlock nut 5/16-18flanged locknutn-10 lock nut
1/4" locking nutnylon insert hex nutnylon-insert locknuts3/8-16 nuts stainless steel10mm nuts

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