Yonico 43071C 3-1/4-Inch Diameter Carbide Forstner Drill Bit 10mm Shank

This carbide forstner bit has a 3-1/4" cutting diameter and a 10mm shank compatible with all standard drill and drill press chucks. Forstner bits are a great choice for cutting clean and accurate flat bottom holes. Except for the slight notch created from the centre spur, the resulting holes are clean and smooth. The middle spur helps centre the bit, while the outer rim helps maintain the bits pos...