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.

Specially coated with unequal tip geometry and innovative step transitions, for almost all materials

The latest generation of Performance stepped drill bits for longer service lives, significantly faster drilling with smooth running and greatly reduced formation of burrs when processing thin workpieces made from conventional steel with a strength of up to 900 N/mm², aluminium, cast iron, brass, bronze, wood and plastics.

Extremely versatile and fast spiral step drill bit with an exceptionally long service life.

Ruko HSS plain spiral-fluted with cross point