ferrcan HSS DIN338 M35 5% Cobalt Turbomax Drill Bit for Drilling in Stainless Steel, Iron and Other Metals 5 Pieces per Unit (4mm)

Made of HSS M35 5% cobalt high speed steel, high hardness, stable performance. Industrial quality heleicodal drill bit for intensive drilling of hard metals such as stainless steel, cast iron and other metals The 135 degree tip starts to drill quickly, no necasite contral stitch through the quick-cut tip 135° are self-centring and penetrate quickly with less pressure. High durability due to high drilling speed, less heat is generated and therefore less wear They must be used and operated at the correct speed to achieve maximum efficiency and be cooled with drill or cutting oils for higher performance and long workload.