Ø16-25mm Forstner Bit Hole Hinge Cutter Boring HEX Wood Drill Bits Extra Long. Type: Forstner Drill Bit. 1pc/3pcs/5pcs Forstner Drill Bit. Countersink Drill Bit Set 1PC/5PCS 1/4"(6.35mm) HEX Shank Woodworking Cutter.
eBay