Trapano a percussione in acciaio cobalto 8,8 mm M35 per metalli duri - rivestito in titanio, dur...
Cobalt Steel Composition: Manufactured from M35 5% Cobalt Steel, enriched with Molybdenum and Cobalt to create a hardened alloy with up to Rockwell hardness 65. 8.8mm M35 Cobalt Steel Twist Drill Bit.