Brand : Nachi (Japan).
For stone, glass and plated materials, these diamond twist drills clean out better than regular diamond drills recommended speed 5000 - 30.000 rpm Made in Switzerland.
Ideal for reaming beads and for drilling smaller holes in stone, glass, metal and ceramic, this core drill is hollow all the way through the shaft, so it drills faster with less clogging. Nickel-plated with 180-grit industrial diamonds. Shanks vary with head size. Length:35mm
Used to deburr end of wire Choose diameter at least 0.2 - 0.3mm bigger than your wire. For example to deburr 0.9mm wire use 1.1 or 1.2mm.
Ceramic is said to be hard for the next diamond, using the zirconia as a material Difficult to heat generation compared to a metal bar, less wear of the blade there is a difficult characteristic entangled during cutting of soft material, you can use for a long time. Because of the lightweight, also by increasing the number of revolutions has become difficult to runout.
It is suitable for polishing of hard alloys and the like, and there are many types of particle sizes and it is made slightly harder than silicon, so firm polishing is possible. It also reduces rubber dropout than usual and has a long service life.
