Gold Member Since 2014
Audited Supplier

Taizhou Luqiao Pulanka Rock Tool Factory

Rock Bit, Button Bit, Chisel Bit manufacturer / supplier in China, offering 30mm~60mm Tapered Chisel Drill Bits, Chinese Made Tapered Chisel Drill Bits, 36mm, 40mm, 42mm 6 Buttons 7degree, Insert Rock Drill Bit and so on.

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34mm 8buttons 12degree drill bit
our 34mm 8buttons 12degree can drill 80 to 100 meters on granite,very hard rock type.custo...
drill bits working site of 115mmDHD340
the 115mmDHD340 average lifespan is 750mm when working on the granite.