Diamond Drill Bit

1. Specifications
diameter 4-100mm grit 36# 46# 80# etc shank length 65/75 95mm
thread can be custom material 65mn& corundum protections side straight protections can be custom
2. Applications
drilling ceramic, glass, ferrite, semiconductor, stone and other hard brittle materials
3. purchase notice
standard product should be smooth on the surface; no peel off of the corundum; no inconsistence with concerning data, like length.
Since diamond tool is consuming in using, there is no warranty covered concerning standard product.
Tips for you:
for harder materials, please slow down the speed to prevent overheat in order to prolong the service life.