| Material | HSS M42,M35,6542(M2),9341,4341,4241 |
| Finish | Tin coated,coffee,bright,rainbow colour,Black oxide,Black flute & bright shank |
| Process | Roll forged,edge ground,fully ground |
| Standard: | DIN 338 (jobber series) DIN 340 (long series) DIN 1897 (stub series) |
| Diameter | 4mm-39mm |
| Advantages | No Centering required, the drills do not run off center. A variety of hole diameters can be drilled using only one tool, and the tool can display the dimensions. The dimension of drilled hole is exact. Holes are de-burred by the following level, and cylindrical bores are produced. Even very thin-walled materials can be drilled. |
| Point angle | 118 degree,135 degree split point |