Our T60 benching & production drilling tools, GT60 thread button bits are designed to comply with all kinds of rock formations and drilling site conditions, with longer life, higher penetration ra
China manufacture 12 Degree 42CrMo Taper Cross Bits for hard rock drilling The taper cross bits can be used under any rock drilling condition because of it's comprehensive adaptability.The tapered
Taper Chisel bit Taper Chisel bit is suitable for mining of black metal mines(such as iron mine/ manganese ore), nonferrous metal mine(such as gold/silver/copper ore), marble and granite etc. It's
DTH bits are our main products. After many years research, we have rich experience in development and manufacturing high quality products, which adopted high-quality raw materials, advanced technology
Hydraulic rotary cutter bit advantage · Fracture-proof and wear resistant carbide tip · High-quality soldered connection between tip and shaft · Large base diameter to protec