5/16 " Tapping Bit with 3-Flat Shank
5/16 fast spiral twist bits especially designed for maple tree tapping with a higher quality finish enabling the extraction of wood residues. Special “split point” sharpening, unique to Mèches Bolduc Inc., increases cut quality and bit effectiveness. Including three 1.125 inch flats on shank to facilitate drill movement.
Available in 2 drilling depths :
Standard 2.5 inch
Short 2 inch