Diamond Bit and Reaming Shell Bit TypeDescriptionSet type of DiamondRemarkWire-lineΦ46,Φ56,Φ59,Φ75,Φ91,Φ95 BQ, NQ, HQSurface-Set, ImpregnatedWe can produce bit according to requirementsCouple TubeΦ56,Φ59,Φ66,Φ75,Φ76,Φ91,Φ110,Φ130,Φ150,Φ200Single TubeΦ56,Φ59,Φ66,Φ75,Φ76,Φ91,Φ110,Φ130,Φ150,Φ170 Diamond Bit and Reaming Shell