
L9: minimum clamping length V: maximum adjusting length
Cutting Tool Shank Requirements metric (ISO standard) cutting tool shank diameter tolerance
| 6 | h6 | 0,000/-0,008 | |
| 8 & 10 | h6 | 0,000/-0,009 | |
| 12, 14, 16, & 18 | h6 | 0,000/-0,011 | |
| 20 | h6 | 0,000/-0,013 |
HCTHT • Metric • KM4X™
wrench size wrench size
| order number | catalogue number | D1 | D2 | L1 | L2 | L9 | V | actuation screw | stop screw | kg | |||
| 5520990 | KM4X63HCTHT20090M | 20 | 52,5 | 90 | 64 | 41 | 10 | 5 mm | 5 mm | 1,63 |
NOTE: Do not overtorque actuation screw. Tighten by hand until stop is felt. Hydraulic chuck technical section, see pages K60–K63 of the WIDIA™ Tooling Systems catalogue A-09-02122. Supplied with stop screw. Actuation wrench must be ordered separately.
KM4X63 coolant unit and wrench are available and must be ordered separately; order number 5572428.