The step drill is suitable for the most common materials: non-ferrous metals, sheet steel up to 4 mm thick, thermoplastics and thermosetting plastics. These step drills allow for controlled reaming of a hole, which can be particularly important when working with finished materials.

Component specifications:

• Contents: 1x 4.0 mm 12 mm - 1x 4.0 mm 20 mm - 1x 4.0 mm 30 mm
• Supplied with ABS cassette