Step/twist drill assortment

The high-performance stepped drill bit with unique SMART STEP technology, innovative rake between the individual step transitions and AlTiN coating for extremely fast, comfortable and long-lasting use in all common materials with a material thickness of up to 3.5 mm.

Stepped drill bit with unique SMART STEP technology and dynamically curved rake between the individual step transitions for extremely fast and comfortable use in all common materials with a material thickness of up to 3.5 mm.

Ruko stepped drill bit set 3 pieces HSS spiral-fluted in sizes 0/9, 1, 2

Ruko ULTIMATECUT stepped drill bit set 3 pieces HSS RUnaTEC

Ruko stepped drill bit set 3 pieces HSS-TiN spiral-fluted in sizes 0/9, 1, 2

The multi-purpose stepped drill bit with AlCrN coating and unique SMART STEP technology for high-precision, flexible use in sheet metal and now also for thicker workpieces made of conventional steel with a strength of up to 1300 N/mm², cast iron, aluminium, brass, bronze, Plexiglas, plastic and wood. Available in the ORSY^® system cassette.