Description
Extra length twist drills, series 3 HSS / Ø 4.760 mm h8 / ~25xD / DIN 1869 / Surface: nitrided lands / Cutting direction: right-hand / relieved cone 130°
Execution: Web thinning ≥ Ø 2.500 mm • relieved cone • wide flutes • in case of poor chip evacuation • for extremely deep holes
Application: grey cast iron and steels up to 1000 N/mm² • not recommended for: CrNi steels, stainless steels

