| Manufacturer Part Number | 01203HE |
| Diameter (Decimal Inch) | 1.3750" |
| Diameter (Inch) | 1-3/8" |
| Diameter (mm) | 34.93mm |
| Shank Diameter (Decimal Inch) | 1.2500" |
| Shank Diameter (Inch) | 1-1/4" |
| Shank Diameter (mm) | 31.75mm |
| Length of Cut (Decimal Inch) | 1.6250" |
| Length of Cut (Inch) | 1-5/8" |
| Length of Cut (mm) | 41.28mm |
| Overall Length (Decimal Inch) | 4.1250" |
| Overall Length (Inch) | 4-1/8" |
| Overall Length (mm) | 104.78mm |
| Number of Flutes | 2 |
| Helix Angle (Degree) | 30 Degree |
| Material | HSS |
| Coating | AlTiN |
| Shank Style | Flat |
| Cut Type | Center Cut |
| Corner Type | Square End |
| Cutting Direction | Right Hand |
| Application | P |
| Series | E1030 |
| End Type | Single End |
| Length Type | Regular |
| Product Type | Square End Mill |