drill bit(inner cold)
Diameter: 1mm-30mm
Coated: Tialn, tin (option)
high chip removal , diliver in time and good price.

We supply you various drill bit, solid carbide drills, cemented carbide drills including step drill, twist dirlls, center drills, drills with straight flute, suitable for high speed, long time drilling and Dry Machining.
Diameter: 1mm-30mm
Coated: Tialn, tin (option)
With high chip removal quailty, diliver in time and good price.
Attention: The price is different because of the different grade of the material your choosed.
We also supply  milling cutters, reamer, solid carbide saws, indexable insert, other tungsten carbide products. 
We accept the specification as your requirement.