A professional range of HSS Step Drill Bits from Bosch. Designed for use on virtually all thin materials such as non-ferrous metals, sheet steel, plastic or stainless steel.
This range of Step Drill Bits provide burr-free drilling without the need of pre-drilling. Also the spiral flute extends the Drill Bit lifetime and offers less vibration and a faster drilling rate.
Ideal for deburring and can drill or enlarge round holes of different diameter with a single Drill Bit.

High quality
Reduced vibration
Faster drilling rate
Flat shank to prevent slipping in the chuck
Available in 4-20 mm, 6-30 mm & 6-39 mm versions

This step drill bit offers versatility in drilling applications with a diameter range of 6mm to 39mm. Made from high-speed steel (HSS), it ensures durability and efficiency across various materials. The 12-step design allows for precise hole sizes to meet specific needs.

• HSS construction for increased longevity
• Adjustable diameter for versatile use
• Ideal for metalworking and industrial tasks
• Compact design for easy handling and control
• Compatible with various drilling equipment

• Precise drilling in metal sheets
• Creating step holes in electrical enclosures
• Automotive repair projects
• Plumbing jobs for precise fitting holes
• Fabrication tasks requiring varying hole diameters

The compact design makes it user-friendly for small tasks.