Hexalobular (6 Lobe) socket flat countersunk head thread forming screws ~type M, metric thread — M 3 x 8 / X10

Bossard · Thread Forming and Tapping Screws for Metal. d1: M3 | L: 8 | d2 max.: 5,5 | k max.: 1,65 | Hexalobular socket: X10 | t max.: 0,83 | A~: 2,8