Countersunk Allen screw DIN 7991 M8x140 stainless steel A2

Product detailed description

The countersunk head screw with internal hexagon according to DIN 7991, ISO 10642 and ČSN 021144 is designed for applications where a flat surface of the joint is required. This particular screw has a metric thread with a diameter of M8 and a length of 140 mm, which makes it suitable for various metal and structural applications where a strong and reliable connection is required.

The head of the screw is countersunk with an internal hexagon, which allows for easy assembly and disassembly using an Allen key. The head height is 3.5 mm and the head diameter (dk) is 16 mm, while the countersunk head angle is 90 degrees, which ensures precise embedding into the material without protrusion.

The screw is made of A2 grade stainless steel, which provides excellent corrosion resistance, which is ideal for use in environments with higher humidity or outdoors. No surface treatment is applied, which is common for stainless steel materials that naturally resist corrosion.

The metric thread has a pitch of 1.25 mm, which is standard for M8 threads, and the width of the internal hexagon is 5 mm, which corresponds to commonly available Allen keys. The height k, which indicates the total height of the head including the countersunk part, is 4.9 mm. These parameters ensure a reliable and precise connection in various structural applications.