Vacuum Brazed Diamond Core Bit Sets 6/8/10/12/14mm Hexagon in One Aluminium Box/Suitcase

Vacuum brazed diamond core bit sets 6/8/10/12/14mm hexagon in one Aluminium box/suitcase
1) Diameter: 5/6/8/10/12/14/16mm, and we can make the diameter 5-150mm available.
2) Length: 60mm or 70mm, 100mm,  coating length: 10-15mm.
3) Diamond grit: #35/40, or upon request 
4) Special design available upon request, we can make round shank, hexagon shank, M14 connection and 5/8-11 threading.
1) Suitable for cutting, dry drilling various hard Non-ferrous materials, such as marble, granite, glass, ceramic, hard concrete and brick.
2) Smooth cutting surface, high cutting speed.
3) It is your problem solver for drilling holes.
4) Longer working life than electroplated one. 
5) It can drill holes with or without water(Dry or wet drilling).

hexagon 5/6/8/10/12mm vacuum brazed diamond core drill bit
Dry/wet drilling for porcelain tile, granite, marble, stone, Masonry, brick.
Diamond width: 10mm;
Connection: hexagon;
Working life: over 80 holes on hard porcelain tiles;
Market: popular in European market.