Drill bits

Tapered bits (Drill bits)

It is best for drilling 20 ~ 65 mm holes on concrete , bedrock and hard rocks.
And also it is high durability because of special steel and carbide.


Threaded bits ( Drill bits )

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The way blowing strength can transfer percussive force directly to the bottom hole of bit from the edge of rod,

usually it is being used for Crawler drill and Drill jumbo in tunnel , mining and any job site.