Customized DIN603 Carriage Bolts, Customized Coach Bolts Manufacturer
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.
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.
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.
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