Outer diameter:25/27/28/30/32/36/value="40" tcsc="0" unitname="mm" w:st="on">40mm……

Segment Thickness:3.25/3.5/3.6/3.8/value="4" tcsc="0" unitname="mm" w:st="on">4.0mm

Segment Height:8/10mm

Total Length:150/350/value="450" tcsc="0" unitname="mm" w:st="on">450mm

Treatment: brazed/silver/laser welded

Main feature: high hole drilling accuracy, fast drilling, long life and high safety. With a special structured design it maximizes the segment’s cutting force reduces wobbliness and prolongs the cutting life of the core drill.

Usage: drilling various materials such as reinforced concrete ground and wall, brick, block, stone, ceramic, airway, bridge, road , asphalt etc.