Terrax by Ruko Hand Tap Set DIN 352 Ground M4

Made entirely of high-alloy tool steel HSS. For metric thread M 4 x 0.7 in accordance with DIN ISO 13 Set consists of taper, middle cutter, finishing tap The thread is cut in three steps. Drill threaded core hole with a diameter of 3.3 mm., Manufacturer: TERRAX by RUKO