With superior PDC cutters, the PDC hole opener is new favourite in No-Dig drilling field, one PDC hole opener may have 3-9 blades according to hardness of rocks, mainly cutter diameters are 13mm, 16mm, 19mm.
All the blades are machined by CNC maching center, the accuracy is precise to maintain the original design as cutter angles is very important for cutting performance.
Advantage of PDC hole opener:
1>Longer working life.
2>Faster drilling speed.
3>No risk of dropping cones.
Disadvantage: PDC hole opener is not suitable for drilling pebbles.
|PDC Bits||Hole Opener||Roller Cones (Thirds)||Piling Roller Cones|
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