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China Carriage Bolt Manufacturers, Suppliers, Factory

As the professional manufacturer, we would like to provide you Jinghong Fasteners® Carriage Bolt. And we will offer you the best after-sale service and timely delivery.


What are carriage bolts used for?


Carriage bolts, also known as coach bolts, belong to the category of threaded fasteners employed to securely join two pieces of metal or wood. They feature a distinctively domed head and a square-shaped shoulder just beneath the head, designed to prevent the bolt from rotating within its hole.


Carriage bolts find extensive use in situations where the bolt head will be concealed once installed, and a smooth, rounded aesthetic is desired. This makes them particularly popular in woodworking applications, such as affixing wood to metal frames, attaching wooden handrails to walls, and assembling outdoor furniture. They also serve essential roles in construction projects, such as anchoring fence posts to a concrete wall or securing heavy machinery to a concrete floor.


To install a carriage bolt, a hole is drilled through both pieces of material to be joined, and the bolt is inserted from one side. The square shoulder of the bolt is then embedded into the wood or material to prevent it from spinning, and a washer and nut are affixed to the threaded end on the opposite side to complete the assembly.

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Knurled Carriage Bolt

Knurled Carriage Bolt

The Knurled Carriage Bolt is a type of threaded fastener with a domed or countersunk head and a square or ribbed neck section under the head. This square section prevents the bolt from turning when tightening the nut.

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Flat Head Carriage Bolt

Flat Head Carriage Bolt

Flat head carriage bolts are often chosen for their aesthetic appeal, ease of installation, and suitability for applications where a flat, finished surface is important. They are commonly used in woodworking, construction, and various other fastening applications.

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Non-standard Carriage Bolt

Non-standard Carriage Bolt

Non-standard carriage bolts could include bolts with unique head shapes, special coatings, or unconventional materials. These variations might be designed for specific applications where standard bolts may not be suitable.

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Coach Bolt

Coach Bolt

A "Coach bolt" is a type of fastener designed for use with wood or metal. It shares many features with coach bolts and is sometimes referred to interchangeably.

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DIN 603 Carriage Bolt

DIN 603 Carriage Bolt

DIN 603 Carriage Bolt is a German standard that specifies the dimensions and technical requirements for carriage bolts. Carriage bolts, also known as coach bolts or round head square neck bolts, are a type of fastener designed for use with metal or wood.

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As one of the professional China Carriage Bolt manufacturers and suppliers, we have own factory. You may need some customized services to meet the actual needs of your region, you can leave us a message through the contact information on the webpage. Welcome to buy high quality Carriage Bolt from us. We will give you the satisfactory price. Let us cooperate with each other to create a better future and mutual benefit.