Step Drills HSS 90° DIN8374, 71501

HSS multi-position drill 90°, featuring a cylindrical shank, designed for precise countersinking and through holes according to DIN EN 20273 (fine series). With web thinning ≥ Ø 6.000 and a relieved cone design, it ensures reduced cutting resistance and extended tool life.

Features:
✔ Designed for through holes according to DIN EN 20273 (fine series)
✔ Suitable for 90° countersink screw heads
✔ Web thinning ≥ Ø 6.000 for enhanced precision and performance
✔ Relieved cone for increased stability and reduced cutting forces
✔ f parameters depend on the small diameter
✔ vc parameters depend on the large diameter

Suitable for:
✅ Precision metal surface machining
✅ Manufacturing and assembly of components with 90° screws
✅ High-precision industrial applications

Ideal for professional use in applications requiring high-quality through holes and precise countersinking operations.

Dimentional Explanation : d_1 x d_2 x size M

For detailed information and cutting conditions, download the PDF file here.