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broca-retificada-36-hsse-co-8
RUKO Set Of 19 Spiral Bits DIN 338 Type VA, HSSE-Co8 TiAlNHSSE-Co 8:
Heavy-duty high speed steel with 8 % cobalt content.Extremely high ductility and outstanding heat resistance, for drilling holes in high strength materials, austenitic steel, for hot working etc. with a strength of up to 1100 N/mm².The titanium aluminium nitride coating offers high heat and oxidation resistance. Suitable for drilling hard materials without lubrication.
Max. application temperature 700 ºC