Bolt DIN 7991 M4x16 A4 TX20

Overview

DIN 7991 A4 countersunk head bolt with Torx drive is a reliable fastening element featuring a conical countersunk head and a special Torx drive. It is made of corrosion-resistant A4 stainless steel, providing high resistance to aggressive environments. The bolt has a full metric thread, ensuring an optimal connection with nuts and washers. The countersunk head allows a perfectly flush surface to be achieved, which is important for visually neat connections. Available in various diameters, this bolt is ideal for use in different areas, including construction, automotive manufacturing, and furniture production. Thanks to the possibility of using pneumatic and electric tools, installation becomes fast and efficient, significantly reducing working time.

Application Areas

DIN 7991 A4 countersunk head bolts with Torx drive are ideal for use in various industrial and construction sectors. Their unique design allows installation without visible protrusions, making them especially attractive for furniture production and aesthetic connections. Thanks to the countersunk head, these bolts provide a clean and modern appearance, which is important for design.

This type of bolt is also widely used in mechanical engineering, where high static and dynamic loads are important. They ensure reliable fastening of parts, which is critical in structures with increased safety requirements. In construction, they are used for installation into countersunk holes, allowing a smooth surface to be created.

Made of A4 stainless steel, these bolts are corrosion-resistant, making them ideal for use in aggressive environments, particularly where exposure to moisture and extreme temperatures is possible. Thanks to the Torx drive, installation becomes easier and faster, improving work efficiency.

Technical Specifications

Is It Worth Buying?

Purchasing DIN 7991 A4 is an excellent choice for those who value quality and reliability. The special countersunk Torx head design allows maximum tightening force to be achieved, significantly reducing the risk of drive damage. The use of electric and pneumatic tools speeds up installation and can save up to 70% of time. The conical head shape ensures perfect integration with the surface, which is especially important for furniture aesthetics and industrial structures. A wide range of sizes makes these bolts versatile for different applications. Made of A4 stainless steel, they withstand moisture and aggressive environments without limitations. This significantly reduces maintenance costs and improves the overall efficiency of your projects.

Where It Is Used

DIN 7991 A4 is a specialized countersunk head bolt designed for use in conditions where corrosion resistance is important. Thanks to the Torx design, this bolt ensures reliable and safe installation, reducing the risk of head damage during assembly.

It is ideal for use in the marine and chemical industries, where materials resistant to aggressive environments are required. The bolt is also used in the furniture industry, where the aesthetic appearance of connections is important, as the countersunk design allows the fastener to be hidden.

DIN 7991 A4 is available in various diameters, making it a versatile solution for different projects. Made of A4 stainless steel, this bolt guarantees high strength and long service life even in the most demanding conditions. The use of a Torx key provides optimal tightening torque and reduces the risk of head damage, making it an ideal choice for professional use.