• Reamer, left-hand helix / right-hand cutting

    • Reamer with regular pitch and 5 edges.  
    • Left-hand helix 20°,  right-hand cutting   
    • This option demands item no. CH-50052380 (Complex drills).
  • Special reamer

    • Special broach with uneven bevel edges.  
    • Straight fluted, right-hand cutting.
    • The flute is ground with the calculated profile wheel.    
    • This option demands item No. CH-50052360 (Complex milling cutters).