Combined machine tap bit «long» HSS, ground

Combined machine tap with ¼» hexagon shank for tapping drill hole and through thread.

The combined machine tap is suitable for sheet metal working with right/left handed rotation cordless drilling machines. The thread is cut in one operation, without any tool changing. The tool incorporates a twist drill before the thread-tapping part. Applications: for unalloyed and low-alloyed steels up to 600 N/mm² strength, malleable cast iron and non-ferrous metals. Coperation work process: hole drilling with twist drill – thread cutting (tapping) – thread deburring – thread cleaning when using.

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