RUKO Step Drill Bit HSS TiAlN-Coated 6-37 mm, 12 Steps, Split Point, 10 mm Shank

This RUKO step drill bit stands out with its TiAlN coating, which provides exceptional heat and wear resistance for demanding drilling tasks. The 12-step design allows drilling and enlarging holes from 6 mm to 37 mm in a single tool, eliminating the need for multiple drill bits.

Highlights

• High-speed steel (HSS) with TiAlN coating for extended tool life
• 12 precise steps: 6, 9, 12, 15, 18, 21, 24, 27, 30, 33, 35, 37 mm
• Split point (DIN 1412 C) for self-centering and reduced walking
• Spiral flute design for efficient chip removal
• Suitable for steel, stainless steel, non-ferrous metals, plastics, and sheet metal up to 4 mm thickness per step

In daily use

The step drill bit excels in drilling, deburring, reaming, and enlarging holes in thin materials. Its cylindrical 10 mm shank fits standard drill chucks. The TiAlN coating allows dry operation or use with cutting fluid, depending on the application.

Full specifications

• Drilling diameter range: 6.0 mm - 37.0 mm
• Number of steps: 12
• Shank diameter: 10 mm
• Total length: 105 mm
• Working length: 75 mm
• Max material thickness per step: 4 mm
• Point type: Split point (DIN 1412 C)
• Flute type: Spiral
• Product series: Grade 9

Final note

Ideal for professionals and DIY enthusiasts who need a versatile, long-lasting step drill for sheet metal and thin materials.