HBA rough boring tools cover all the holes from 19.8mm --224mm,

includes all the items below,

1.21CD25-HBA20-60(19.8-27mm);

2.21CD25-HBA27-50(27-36mm);

3.21CD32-HBA35-60(35-45mm);

4.21CD40-HBA44-70(44-56mm);

5.21CD50-HBA55-80(55-71mm);

6.21CD63-HBA69-90(69-91mm);

7.21CD63/80-HBA90-100(90-122mm);

8.21CD63/80-HBA120-100D(120-162mm);

9.21CD100-HBA160-100D(160-224mm)

Modular structure, easy adjusting;

Best rigidity, large cutting depth and anti-vibration