Step/twist drill assortment

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.

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.

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 HSSE-Co 5 spiral-fluted in sizes 0/9, 1, 2

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