Twofold ground main cutting edges and circumferential cutters. Effective length of the plug max. 70 mm. For the production of plugs for fi lling knot holes or fi xing partial wood damage in combination with Bormax®. For precise fi tting use FAMAG drill bits. Place 1616 at the edge of the workpiece in a way that the circular ring is opened sideways and a good removal of the chips is guaranteed.