Stepped drill bit, spiral

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.

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 ULTIMATECUT stepped drill bit HSS RUnaTEC, spiral-fluted with turbo tip

The multi-functional stepped drill with AlCrN coating and unique SMART STEP technology for high-precision, flexible use in sheet metal and, for the first time, allows drilling of thicker workpieces made of conventional steel up to 1300 N/mm² strength, cast iron, aluminium, brass, bronze, Plexiglas, plastic, and wood.

Ruko HSS TiAlN in inches, spiral-fluted with cross point

Ruko HSCo plain spiral-fluted with cross point