Chamfer TypeBottomingCutting DirectionRight HandFinish/CoatingBrightMaterialHSSMaterial ApplicationCast Iron, Steel and Non-Ferrous MaterialsMeasurement SystemImperialNumber of Flutes2Overall Length2-1/2 inSeries0403Shank Diameter0.255 inStyle0403Surface ConditionBrightThread FormUNCThread Length1 inThread LimitH5Thread Pitch20Thread Size1/4-20Thread StandardGround/UNCTool Size1/4-20 UNCTypeGeneral Purpose Standard
| Chamfer Type | Bottoming |
| Cutting Direction | Right Hand |
| Finish/Coating | Bright |
| Material | HSS |
| Material Application | Cast Iron, Steel and Non-Ferrous Materials |
| Measurement System | Imperial |
| Number of Flutes | 2 |
| Overall Length | 2-1/2 in |
| Series | 0403 |
| Shank Diameter | 0.255 in |
| Style | 0403 |
| Surface Condition | Bright |
| Thread Form | UNC |
| Thread Length | 1 in |
| Thread Limit | H5 |
| Thread Pitch | 20 |
| Thread Size | 1/4-20 |
| Thread Standard | Ground/UNC |
| Tool Size | 1/4-20 UNC |
| Type | General Purpose Standard |