BT40 12mm End Mill Holder - 63mm Gauge (AD/B) Eroglu - Clearance
ST1-R5 (C)BT40
- JIS B 6339 (MAS 403 BT)

| Description | BT40 |
| Form | AD/B |
| d (Bore) | 12mm |
| A (Gauge) | 63mm |
| D | 42mm |
| L2 | 51mm |
| Balance | G 2.5 @ 25,000 RPM |

| Description | BT40 |
| Form | AD/B |
| d (Bore) | 12mm |
| A (Gauge) | 63mm |
| D | 42mm |
| L2 | 51mm |
| Balance | G 2.5 @ 25,000 RPM |