Xi'an Tydrillbits Co.,Ltd is one of the most famous China pdc anchor bit manufacturers, welcome to wholesale cheap pdc anchor bit from our factory.It can be used in used in the coal mine, such as traffic, water and electricity industries bolting hole drilling. It Is designed according to the level of drilling rock, ordinary, reinfoTwo-wing PDC anchor drill bitsHalf-piece PDC drill bitsSoft-medium hard formation of f≤8Complete-piece PDC drill bitsMedium-hard formation of f≤10Reinforced PDC drill bitsHard formation of f≤15Triple-wing PDC anchor drill bitsHalf-piece PDC drill bitsHard formation of f≤15Reinforced half-piece PDC drill bitsHard formation of f≤16 Diameter   (mm)WingsPDC quantity(pieces)WaterholeThread25221M16*2 M14*1.5 M12*2262212722128221292213022-31-33222-31-3362-32-31-3422-33-41-3452-33-41-3