Description
Extra length twist drills, series 2 HSS / Ø 9.000 mm h8 / ~20xD / DIN 1869 / Surface: nitrided lands / Cutting direction: right-hand / relieved cone 130°
Execution: Web thinning ≥ Ø 2.000 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

