Sanding/Drilling bit intended for creating elevations/slopes on drilled holes Should not be used for drilling new holes Applicable Diameter : 1.0mm ~ 5.5mm [Machine Translated] Chamfering Bit WC is a tool that can chamfer the edge of an opened hole at 45 degrees. The angle of the blade at the tip is 90 degrees. Compatible with holes with a diameter of 1.0 to 5.5 mm. Made of tungsten carbide. In order to prioritize the smoothness of the surface after chamfering, the specifications have many blades, so shavings are likely to get stuck between the blades . Please remove it frequently with a toothbrush. It is a hand-cranked product. We do not recommend using it with motor tools. Use it in addition to a pin vise, or hold it with your finger and turn it. After use store it in the attached case or store it so as not to damage the tip. It may be damaged if a strong impact is applied, such as when it is dropped onto a hard place . Please be careful.