Grąžtas metalui su kobaltu HSSE5 su padengimu 6.6 mm, TBX 4F (TiAIN+TiCN)

High performance drill for very fast and intensive drilling of stainless steels thanks to its cobalt substrate and 4-faces grinding.
Thermal shield allows you to significantly increase service life, cutting speed and progress.
BLADE coating: TiAlN+TiCN base, thickness 2/4µm, hardness 3300HV, coefficient of friction 0.4, heat resistance 700°C.