| Manufacturer Part Number | AH121B |
| Bore Diameter (Inch) | 1-1/2" |
| Bore Diameter (Decimal Inch) | 1.5000" |
| Bore Diameter (mm) | 38.10mm |
| Gage-Length (Inch) | 6" |
| Gage Length (Decimal Inch) | 6.0000" |
| Gage Length (mm) | 152.40mm |
| Functional Length (Inch) | 3-89/91" |
| Functional Length (Decimal Inch) | 3.9780" |
| Functional Length (mm) | 101.04mm |
| Set Screw End Mill (Decimal Inch) | 0.8810" |
| Screw | UNF3/4-16 1/2L |
| Set of Screw | 1 |
| Taper Accuracy | AT3 |
| RPM | 15000 RPM |
| Coolant System | AD/B |
| Product Type | End Mill Holder |