| Internal or External | External |
| Hand of Holder | Right Hand |
| Maximum Depth of Cut (Decimal Inch) | 0.4700 |
| Maximum Groove Width (Decimal Inch) | 0.1870 |
| Minimum Groove Width (Decimal Inch) | 0.1570 |
| Toolholder Style | HELI |
| Insert Holding Method | Clamp |
| Compatible Insert Size Code | DGR/L-C DGRC/LC-C; DGR/L-J/JS; GRIP; DGN/DGNM-J/JS/JT; GRIP (Full Radius); DGN-MF; DGN/DGNC/DGNM-C; DGN-UT/UA |
| Insert Compatibility | GRIP; DG..; HGN 300. |
| Shank Height (Decimal Inch) | 1.0000 |
| Shank Length (Decimal Inch) | 4.8600 |
| Shank Width/Diameter (Decimal Inch) | 1.0000 |
| Shank Width/Diameter (Inch) | 1 |
| Series | Heli-Grip |
| Overall Length (Decimal Inch) | 6.0000 |
| Cutting Tool Application | Grooving; Cut-Off |
| Back of Bar to Cutting Edge (Decimal Inch) | 0.9400 |
| Head Length (Decimal Inch) | 1.1400 |
| Standards | ISO 13399 |
| Manufacturers Catalog Number | HELIR 25.4-4T12 |
| Complete Insert Compatibility | DGL 3102J-15D; DGL 3102C-6D; DGL 2202C-6D; DGL 4003C-4D; DGL 1402J-8D; DGL 2200JS-15D; DGL 3100JS-15D; DGL 1400JS-15D; DGL 2200JS-6D; DGL 3100JS-6D; DGL 4003J-4D; DGL 5003J-4D; DGL 5003C-4D; DGL 3102J-6D; DGL 3102C-15D; DGL 2202J-6D; DGL 1001J-8D; DGL 6303C-4D |
| Insert Seat Size | 0.1 |
| Coolant Through | No |