Famag Clip-on Countersink HSS 180° Straight Edge IØ 12 OØ 30 mm Key Features: Countersink for straight countersinking with two main cutting edges and two taper taps; to be clipped on drill bits Drilling and countersinking in one single operation. For fitting on drill bits. Suitable for soft wood, European hard wood, veneered panels and plastics like acrylic glass, Corian®, GFRP, HPL coating, polycarbonate, PVC and Trespa® board For countersinking of washers/screw nuts and drilling at the same time. For drill bits with Ø 3-8 mm. Our product line VARIO 2204 might be a cost-efficient solution UPM: 1700 - 3000 rpm. e.g. Ø 12 mm 2000 rpm in European hard wood, also suitable for use in cordless screwdrivers, but with clearly less speed Specification: Inner diameter: 12mm Outer diameter: 30mm Overall length: 25mm