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Customized DIN603 Carriage Bolts...

Carriage Bolts, Customized Coach Bolts Manufactured by YIJIN hardware

Customized DIN603 Carriage Bolts & Coach Bolts

DIN603 Carriage Bolts Introduction

YIJIN Hardware is committed to manufacturing carriage bolts for 20 years, and has a deep insight and research on carriage bolts quality and application. DIN603 carriage bolt, its head is large round, with a square neck below the head. So the carriage bolt is also called the cup head square neck bolt, which generally used in conjunction with the nut, used for fastening the connection of two parts with through holes. Place the carriage bolt in the slot, and the square neck of the head is inserted into the slot of the connected piece, which can prevent the bolt from rotating in the same direction during installation, and also allows parallel movement in the slot.

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Typical DIN603 Stainless Steel Carriage Bolts Are Shown Below

DIN603 Stainless Steel Carriage Bolts

DIN603 carriage bolts refer to the German standard DIN603-1981. The standard stipulates that the thread specifications are metric threads from M5 to M20, and the product grade is C-grade carriage bolts.

DIN603 Carriage Bolts Diagram

Carriage Bolts Gauge Table

DIN603 Carriage Bolts Materials And Mechanical Properties

DIN603 coach bolts are divided into carbon carriage bolts and stainless carriage bolts according to the materials. The performance grades of carbon steel carriage bolts are 3.6, 4.8, 8.8, 10.9, and 12.9.

Chemical composition table of grade 3.6 and grade 4.8 carbon steel carriage bolts.

Grade 3.6 and 4.8 carbon steel carriage bolts are allowed to be manufactured from free cutting steel，and the maximum contents of sulfur, phosphorus and lead are 0.34%, 0.11% and 0.35% respectively.

The material of DIN603 stainless steel carriage bolt is SUS304. The material and chemical composition of the stainless steel carriage bolt are shown in the figure below:

Stainless steel carriage bolt material and chemical composition table.

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The mechanical properties of carbon steel carriage bolts are shown below

Carbon Steel Carriage Bolts Mechanical Performance Table

The mechanical properties of stainless steel carriage bolts are shown below

Stainless Steel Carriage Bolts Mechanical Performance Table

DIN603 Carriage Bolts Application Scopes

DIN603 carriage bolt is generally used for marble installation of dry pendant. When tightening, the bolt rod will not turn because of the role of square neck, which is easy to fix and install. It is mainly used in some places where counter head screws are needed.

Because of the round head of the coach bolt, there is no design of available assistance tools such as cross grooves or inner hexagons, which can also play an anti-theft role in the actual connection process.

Carriage bolt is widely used in automobiles, new energy electric vehicles, and bridge engineering, which can play a good role in fastening clamp.

YIJIN hardware has always been ‘to provide customers with comprehensive fastener solutions, efficient and low-cost one-stop service’ for the business purpose.

In order to continuously improve the quality of service, to meet the diversified product design requirements of customers, our products focus on the rapid design and production of screws and non-standard parts.

YIJIN Hardware has always adhered to the business philosophy of “quality for production, service for development”, and is constantly committed to the development of new products.

‘initiative, service, commitment’ is our guarantee to customers, environmental protection is our business theme.

We sincerely welcome new and old customers to visit, and look forward to cooperating to create a better tomorrow!