M3-M12 Pneumatic Tapping Machine Air Drill Tapper for Universal Flexible Arm ...
【Tapping Range】M3-M12: M3,M4,M5,M6-M8,M10,M12. No overload protection. Tapping Capability: Suitable for tapping and re-tapping of normal aluminum, iron, copper, steel, stainless steel, plastic and wood, and other material.