Combined Machine Tap with Hexagon Shank 270020 RUKO

Has the specification of hexagonal shank shaft and can be mounted onto cordless screwdriver.Pilot hole drilling and thread cutting of iron plate, etc., can be done without changing drill.For creating and repairing hole and ridge.Work Material: Iron, Aluminum, Copper.Set Contents:270014, 270015, 270016, 270017, 270018, 270019Machining Thread: Metric Thread ScrewHigh Speed Steel (HSS)Cannot be used for electric tool without forward/reverse rotation.During tapping process, be sure to use tapping oil (lubricating oil).