7Pcs Counterbore End Mill Slot Drill Bit M3-M12 Pilot Slotting Tool HSS M2
Specification: Material: High Speed Steel Type: Counterbore End Mill total length : as the pic shows shank Diameter :6,8,12mm 7PCS: M3,M4,M5,M6,M8,M10,M12 Package Including: 7pcs Counterbore End Mills.