6mm Diamond Core Drill Bit

We are professional at manufacturing various 6mm Diamond Core Drill Bit for multi-purposes,such as  masonry ,brick ,concrete,glass,tile, porcelain,granite ,marble and stone .THE Special vents help keeping the bit cool and proide fast removal of cutitng debris.There are two types, Silver Brazed 6mm Diamond Core Drill Bit for wet cuttig,laser Welded 6mm Diamond Core Drill Bit for dry and Wet Cutting.

Diamond Core Drill Bit 

Specification
Diameter: 25mm to 250mm, especial 65mm, 68mm, 83mm for most popular market.
Overall Length: 85mm, 100mm, 165mm, 300mm, 350mm, 400mm

Feature:
1. Sharp, durable,Don't collapse edge,Dig holes.
2. 5000+ ---- 10000+ require lower WOB,high rotary speed and small flow rate.
3. Good concentricity,Wildly used in cutting glass
4. Heat-treatment: auto net belt stove handling equipment, could meet strictly torsion test
5.  Surface treatment: Zinc-coated, black finished, electric-plated and sand-washed

For more information. please visit http://www.hhdiamondtools.com/Application-Case/Application-Case-3-1.html