Core drills with tree flutes - and taper shank
| HSS | ČSN 22 1411 |
 |
Core drills with taper shank Ø 9,80 ÷ 32H11 mm |
| DIN 222 | |||
| HSS | ČSN 22 1482 |
 |
Core drills with tree flutes and taper shank Ø 8,80 ÷ 50H11 mm |
| DIN 343 | |||
January 1, 2008