Rotary burr, LZBK
Form — countersink 90°
LENZ burrs have a universal double notch with a special wear-resistant coating. Special Blue coating provides a high resource burrs and excellent performance of any metals. Form K — high tech rotary burr: used for milling holes.
Technical data
| d1, mm | l2, mm | d2, mm | l1, mm | Brazed | Solid | Uncoated | Coated |
| 12 | 7 | 6 | 55 | LZBK 020 N3 | LZBK 020 C3 | ||
| 16 | 8 | 6 | 57 | LZBK 030 N3 | LZBK 030 C3 | ||
| 20 | 12 | 6 | 60 | LZBK 040 N3 | LZBK 040 C3 | ||
| 25 | 12,7 | 6 | 60 | LZBK 045 N3 | LZBK 045 C3 |