Tapping Attachement Kit (Hex Drive). Quickly taps hole with the HMD904. Can tap up to 1/2 holes. For hex drive HMD904 motor spindles.The item "NEW HOUGEN HOU-05457 Tapping Attachement Kit (Hex Drive)" is in sale since Monday, May 7, 2018. This item is in the category "Home & Garden\Tools & Workshop Equipment\Power Tools\Drill Bits". The seller is "jandstools" and is located in Swartz Creek, Michigan. This item can be shipped to United States.