China drilling tools Bit Face designs

China drilling tools Bit Face designs
Aug 29, 2019
BIT FACE DESIGNS
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BR - Button Recessed 
“Drop Center” face characteristic 
• Reduced hole deviation 
• Broken ground conditions


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BF - Button Flat 
“Flat” face characteristic 
• General purpose bit 
• Hard to medium conditions


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BC - Button 
Chisel Chisel shape characteristic 
• Abrasive conditions 
• Fast penetration

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BD - Button Dome 
• Clearly defined raised face profiles 
• Primary reaming applications in soft ground



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