Countersunk Allen screw DIN 7991 M4x6 stainless steel A4

Product detailed description

The DIN 7991 countersunk head hexagon socket screw, made of A4 stainless steel, is designed for applications where a flat surface is required. This screw has a metric thread with a diameter of M4 and a length of 6 mm. The head height is 1.8 mm, while the overall head diameter (dk) is 8 mm. The screw is designed with a 3 mm wide hexagon socket, which allows for efficient torque transmission during installation.

The countersunk head is designed with a 90° angle, which ensures that after installation the screw head is flush with the surface of the material into which the screw is fastened. This design is ideal for metal and structural applications where aesthetics and surface functionality are important. The screw has a metric thread with a pitch of 0.70 mm, which ensures a strong and reliable connection.

The A4 stainless steel material provides high corrosion resistance, which is especially important in environments with high humidity or chemically aggressive conditions. The screw has no surface treatment, which is typical for stainless steel materials, which in themselves provide sufficient protection against corrosion. The screw complies with ISO 10642 and ČSN 021144 standards, which guarantees its compatibility and usability in international applications.