China drilling tools Bit Face designs
China drilling tools Bit Face designs
Aug 29, 2019
BIT FACE DESIGNS
BR - Button Recessed
“Drop Center” face characteristic
• Reduced hole deviation
• Broken ground conditions
BF - Button Flat
“Flat” face characteristic
• General purpose bit
• Hard to medium conditions
BC - Button
Chisel Chisel shape characteristic
• Abrasive conditions
• Fast penetration
BD - Button Dome
• Clearly defined raised face profiles
• Primary reaming applications in soft ground
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