Taper, Second, Bottoming Tap, Core Drill, Metric, 28-piece. Hand taps (DIN 352): M3 x 0.5 / M4 x 0.7 / M5 x 0.8 / M6 x 1.0 / M8 x 1.25 / M10 x 1.5 / M12 x 1.75 Core drills (DIN 338 / HSS ground): 2.5 - 3.3 - 4.2 - 5.0 - 6.8 - 8.5 - 10.2 mm Product Article Application Drilling Thread M3, M4, M5, M6, M7, M8, M9, M10, M11, M12 Thread type Metric ISO thread (M, coarse thread) Main color silver Assortment 28 pieces