Vacuum Brazed 35mm Diamond Core Drill Bits For Stone and Concrete
1. Fast&smooth drilling for marble,granite&porcelain tile
and many other natural stones,etc.
2. Dry use,also can be used with water which will help to increase
3. Helps improve drilling performance,cooling,maintaining drilling
speed& increasing lifetime.
1) Competitive price and superior quality.
2) Long cutting life and stable performance
3) Segment is very sharpening.
4) High quality: It must pass our QC testing for 3times
5) Efficiency and operator safety
Size: D12 mm
Diamond length: 10mm
Diamond grit: 40/50#
Overall length: 80mm
Connection: Hex shank,round shank,M10,M14,5/8*11 thread