| Manufacturer Part Number | BS113 |
| Taper Type | K |
| Clamping range | 0.039" - 0.511" |
| Connection Diameter Machine Side (Decimal Inch) | 1.250" |
| Connection Diameter Machine Side (mm) | 31.75mm |
| Body Diameter 2 (Decimal Inch) | 1.339" |
| Body Diameter 2 (mm) | 34.01mm |
| Gage Length (Decimal Inch) | 3.150" |
| Gage Length (mm) | 80.01mm |
| Functional Length (Decimal Inch) | 1.398" |
| Functional Length (mm) | 35.51mm |
| Minimum Functional Length (Decimal Inch) | 3.150" |
| Style | For Tapping |
| Taper Accuracy | 1.25 |
| Collet Series | ER20 |
| Product Type | Tension ER Collet Chuck |