For rational boring and countersinking of deepenings for plates and washers in one step. Especially for use in woodworking areas.
Tool Steel, with 2 cutters and wavy periphery cutting edge. Suitable for bit no. 0089S / 0084B / 0084 from Ø 12 mm up to Ø 40 mm (page 56-62). For clamping with a clamping screw.