DIN 603 Cup Head Square Neck Bolt

The Xiaoguo® DIN 603 Cup head square neck bolt is available in various surface treatments such as hot-dip galvanizing and electroless nickel plating. It has a salt spray test duration of over 500 hours, ensuring that it will not rust even in coastal or chemical corrosion environments for an extended period. If you happen to need advanced DIN 603 Cup head square neck bolt, please send an inquiry.

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Product Description

International standard

The core international standard of DIN 603 Cup head square neck bolt, DIN 603, was issued by the German Standards Institute. It comprehensively stipulates the dimensions, materials, performance and other technical requirements of this type of bolt, ensuring the global universality and quality reliability of the products.

DIN 603 Cup Head Square Neck Bolt

The DIN 603 Cup head square neck bolt in accordance with DIN 603 standard are widely used in fields such as wood structures, buildings, traffic barriers, and outdoor facilities due to their unique anti-torsion neck and semi-circular head design. XIAOGUO Company will provide excellent service to every customer based on the following standards.

Compliant with international standards: Strictly adheres to the latest DIN 603 standards to ensure global universality.

Reliable anti-rotation design: The unique square-neck structure enables anti-rotation without the need for tools, and the installation is very convenient.

Wide adaptability: Offers products of various sizes, various grades, various strengths and various materials to meet the usage needs of customers.

High-quality surface treatment: Offers a variety of high-quality surface treatment options such as electro-galvanizing, hot-dip galvanizing, and zinc sheet coating, to meet the corrosion resistance requirements in different environments.

DIN 603 Cup Head Square Neck Bolt

Mon	M5	M6	M8	M10	M12	M16	M20	M24
P	0.8	1	1.25	1.5	1.75	2	2.5	3
dk max	11.3	13.5	18	22.5	27	36	45	54
dk min	10.2	12.4	16.9	21.2	25.7	34.4	43.4	52.1
ds max	5.48	6.48	8.58	10.58	12.7	16.7	20.84	24.84
ds min	4.52	5.52	7.42	9.42	11.3	15.3	19.16	23.16
k max	3.2	3.6	4.8	5.8	6.8	8.9	10.9	13.1
k min	2.5	3	4	5	6	8	10	12
r max	0.5	0.5	0.5	0.5	1	1	1	1.5

Core application domain

The DIN 603 Cup head square neck bolt features convenient installation, smooth surface and high connection strength. It is mainly applied in the following four core fields:

（1）Wooden structure buildings and engineering

The square neck design can be directly embedded into the wood, ensuring that the bolt does not rotate when the nut is tightened on one side.

House construction: Used to fix wooden beams and the framework structure of the house.

Outdoor engineering: Widely used for constructing outdoor wooden platforms (Decking), garden fences, park benches, pavilions, etc.

（2）Vehicle Manufacturing and Transportation

In the manufacturing of semi-trailer trucks, trailers, and other vehicles, DIN 603 Cup head square neck bolt can be used to fix the side panels and floors of the vehicle, as well as to connect the metal frame with the wooden load-bearing platform.

（3）Other industrial and special applications

Transportation facilities: Often used for fixing highway guardrails, traffic signs, etc.

Municipal engineering: Applied in projects such as bridges and cable supports.

Shipbuilding industry: Due to its excellent corrosion resistance, it is also commonly used in ship construction.

New energy: Suitable for emerging fields such as solar power generation facilities and the manufacturing of new energy batteries.

Special industries: It is also applied in industries such as medical devices, communication equipment and 3C electronic manufacturing.

（4）General machinery and equipment

In mechanical equipment where there are requirements for fastening strength and anti-loosening, DIN 603 Cup head square neck bolt are also used to fix the covers or components of agricultural machinery.