• Spade step drill

    • This flat form drill is ground with a shear angle.  
    • It is clear to see how the flute runs off centre at the side along the workpiece axis.   
    • The reliefs on the circumference run exactly along the flute.   
    • The form on the circumference can be freely defined.   
    • This option demands item no. CH-50052150 (Form cutters).
  • Cone-shaped drill with dual cutting angle

    • Cone-shaped drill ground with dual shear angle.  
    • The form on the circumference can be freely defined.   
    • This option demands item no. CH-50052150 (Form cutters).