
Shank Flat and narrow single margin DIN 6535 HAK Reduced frictional resistance and heat development
Large cooling channels Large chip pocket Improved coolant distribution Improved chip evacuation
Sumi-Power Coating Increased wear resistance and long tool life
Sharp cutting edge Stock Size Optimised for stainless steel Ø3,0 ~ Ø12,0 and reduction in cutting forces Increment 0,1mm Ø12,1 ~ Ø16,0 Standard diameter
High process reliability in stainless steel and low carbon steel Can be used on low-performance machines! (àavoids overload!) High surface quality in the bore Sharp cutting edge High adhesion resistance by Sumi-Power Coating
0.3 SDP (universal drill) High rigidity High wear resistance 0.2
Low burr formation 0.1 Low cutting forces
| Stainless Steel | Low carbon steel | Carbon steel, cast |
| X5CrNiS18 10 (1.4301) | Ck10 (1.1121) | C35 ~ C55 (1.0501 ~ 1.0535) |
| X7CrS17 (1.4104) etc... | 42CrMo4 (1.7225) etc... | GG25 (0.6025) etc... |
Difficult to machine Good machinability