Spiral-flute stepped drill bit

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.

Ruko HSS TiAlN spiral-fluted with cross point

Ruko HSCo plain spiral-fluted with cross point

Ruko HSS plain spiral-fluted with cross point

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

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

Ruko HSCo plain in inches, spiral-fluted with cross point

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

Ruko HSS bare spiral-fluted with cross point, short design

RUKO HSS TiN, spiral-fluted with cross point for metric cable glands

Ruko HSS TiN bit spiral-fluted with cross point

Ruko HSS TiN spiral-fluted with cross point

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.