Clinserts TBM12x1.25 is a Tapping tool for Blind Holes. TBM12x1.25 is to make a correct thread for installing CLM8X1.25 CLML8X1.25 CLHM6x1.0 CLHML6x1.0 We recommend to use after tapping to use the manual installion tool CLLTM8 If you need to install more then 2500 pieces, please use the hydraupneumatic nose piece ……