Laser welding dry diamond core drill bits with protect teeth for granite marble

ChinShine dry use stone diamond core drill bits are mainly used for drilling granite, marble, quartz and other hard stone. It is laser welding segment to the core drill, the core drill body had diamond vacuum brazed. We can also provide brazed diamond core drill bits for drilling marble,cocnrete ,bricks ,sandstone ,limestone ,ceramic drilling, etc.

Chinshine diamond core drill bits and bits segments are made of top quality diamond and cobalt porder, so our diamond core drill bits have a better sharpness and longer lifespan. This dry use core diamond drill bits adopts laser welding technology. Compared with sintering drill bits, our laser welding core diamond drill bits are more durable and they will never drop segments.

Chinshine are keep developing new and special formula to make high sharpness & Long life for customer!

We export it large quantity to America, Canada and European countries in large quantity.

Outer diameter: 6mm-500mm

Segment Height: 10mm

Thread:  1-1/4"-UNC7, 5/8-11", M14, 1/2'' GAS


Thickness: 3.5/4/4.5 mm


Equipment: Drilling machine

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