Chamfer TypeSemi-BottomingClass of Fit2BCutting DirectionRight HandFinish/CoatingHard Lube CoatedFlute DirectionRight HandMaterialHSS-EMaterial ApplicationSteel and Stainless SteelMeasurement SystemImperialNumber of Flutes3Overall Length3.1496 inSeriesPER-980SFShank Diameter0.255 inStylePER-980SFSurface ConditionHard LubeThread FormUNCThread Length1.26 inThread Pitch20Thread Size1/4-20Thread StandardGround/UNCTool Size1/4-20 UNCTypeHigh Performance
| Chamfer Type | Semi-Bottoming |
| Class of Fit | 2B |
| Cutting Direction | Right Hand |
| Finish/Coating | Hard Lube Coated |
| Flute Direction | Right Hand |
| Material | HSS-E |
| Material Application | Steel and Stainless Steel |
| Measurement System | Imperial |
| Number of Flutes | 3 |
| Overall Length | 3.1496 in |
| Series | PER-980SF |
| Shank Diameter | 0.255 in |
| Style | PER-980SF |
| Surface Condition | Hard Lube |
| Thread Form | UNC |
| Thread Length | 1.26 in |
| Thread Pitch | 20 |
| Thread Size | 1/4-20 |
| Thread Standard | Ground/UNC |
| Tool Size | 1/4-20 UNC |
| Type | High Performance |