
Cutting Tool Shank Requirements metric (ISO standard)
| cutting tool shank diameter | tolerance | |
| 12, 14, 16, & 18 | h6 | 0,000/-0,011 |
| 20 & 25 | h6 | 0,000/-0,013 |
| order number | catalogue number | D1 | D2 | D21 | L1 | L2 | L9 | V | kg |
| 5090277 | BT50BSFTT12100M | 12 | 27 | 55 | 100 | 62 | 37 | 10 | 3,98 |
| 5090278 | BT50BSFTT14100M | 14 | 33 | 43 | 100 | 62 | 37 | 10 | 4,11 |
| 5090279 | BT50BSFTT16100M | 16 | 33 | 43 | 100 | 62 | 40 | 10 | 4,08 |
| 5090280 | BT50BSFTT18100M | 18 | 45 | 54 | 100 | 62 | 40 | 10 | 4,44 |
| 5090281 | BT50BSFTT20100M | 20 | 45 | 54 | 100 | 62 | 42 | 10 | 4,39 |
| 5090282 | BT50BSFTT25100M | 25 | 45 | 54 | 100 | 62 | 48 | 10 | 4,29 |
NOTE: Do not overheat. Overheating will destroy the accuracy and functionality of the toolholder. HSK coolant unit and wrench are available and must be ordered separately; see the WIDIA™ Tooling Systems catalogue A-09-02122.