The K4X40-ISO10642-A4 with Screw; M4x40; DIN:7991; Head: countersunk; imbus; HEX 2,5 mm, manufactured by Kraftberg is an electronic part designed for light applications, such as electronic and electrical product assembly. It is a self-tapping screw made of steel, with a 4 mm diameter and a threaded length of 40 mm. It features a countersunk head, type DIN7991, as well as an internal hexagonal socket, 2.5mm in size, and has been subjected to a fine zinc plating. The screw is compatible with the ISO 10642 (M4) standard.