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APFDBDE Double-Bottom Double-Entry Rotary Drill Bit
APFDBDE Double-Bottom Double-Entry Rotary Drill Bit
APFDBDE Double-Bottom Double-Entry Rotary Drill Bit
APFDBDE Double-Bottom Double-Entry Rotary Drill Bit

APFDBDE Double-Bottom Double-Entry Rotary Drill Bit

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APFDBDE Double-Bottom Double-Entry Rotary Drill Bit

Stracture features:

Specially designed for 400-3000mm diameter, depending on stratums, choose different cutter teeth(flat teeth, pick, bauer teeth),removable pilotbits, easy disassembly.

Applicable stratums:

Higher water content of the sand layer, silty clay ,dense clay, sand and gravel layer, gravel layer, shell layer, iron sand, high strength permafrost, strong weathered rock and soft stratums and complex stratums.


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