From 85 mm in diameter to 1000 mm of DTH bits, spline type can meet our company drill hammer and other well-known brand drill hammer (such as DHD, COP, SD, from QL, MACH, MISSION, BR, NUMA). Product Details...

The other three important drill bits of different bit diameters from 85mm to 178mm. Product Details...

Suitable for soft to medium and high hardness formations Product Details...

Tri-cone bits,steel teeth bits,single cone bits, and PDC bits. Bits sizes range from 3 7/8” to 26”.and cover almost all IADC codes. Product Details...