Diamond core bit for stone

Features:

* Strengthened core bits;

* Quick, smooth and accurate coring with professional results;

* Long life;

* Different connection end for different drilling machine.

Specification:

1) Diameter: 6.5value="250" tcsc="0" unitname="mm" w:st="on">-250mm

2) Thread size, 3/value="8" tcsc="0" unitname="”" w:st="on">8” or 1/value="2" tcsc="0" unitname="”" w:st="on">2” shaft without thread, 5/value="8" tcsc="0" unitname="”" w:st="on">8”-11, M14 thread.

3) Segment type: Normal Type, Crown (or Ring) Type.

4) Drilling materials: Marble, granite, sandstone, limestone, etc.

5) Delivery time: Around 30days