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ZL-QH20 Vacuum brazed Diamond Core Drill Bits for Stone Ceramic Drilling

ZL-QH20 Vacuum Brazed Core Drill Bits
Mainly used for drilling of granite, marble,, engineering stone, concrete, brick, etc. the desired shape can be achieved by
several drilling.
(For 3cm slab, 8-12 s/hole)  


Advantage:

1.Sharp and durable
2.Wet/dry use
3.Fast drilling


Product code:ZL-QH20
Specification:D32 D35

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