Description
Extra length twist drills, series 1 HSS / Ø 13.000 mm h8 / ~15xD / MK-1 / DIN 1870 / Surface: nitrided lands / Cutting direction: right-hand / relieved cone 130°
Execution: Web thinning ≥ Ø 5.800 mm • relieved cone • wide flutes • for extremely deep holes • in case of poor chip evacuation
Application: grey cast iron and steels up to 1000 N/mm² • not recommended for: CrNi steels, stainless steels

