Button Bits Are For Hard Rock Drilling - KC Bit &
Also can be used as gauge button in case of drilling in soft formation. 4. Chisel Button. Chisel button are used in tricone bit for drilling medium-hard formation with the higher penetration rate. 5. Double Dome Button. Double Dome buttons are usually used drilling in hard rock, it can provide longer life span 20%-40% in premise of re-grinding ...
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