Cutter Diameter21/64 inCutting DirectionRight HandFinishBrightFlute TypeSpiralHelix Angle30 degLength of Cut3/4 inMaterialHSSNumber of Flutes4Overall Length3-1/2 inSeriesHD-4CShank Diameter3/8 inShank TypeStraight/Weldon FlatStyleHD-4CSurface ConditionBrightTool Size21/64" x 3/8" x 3/4" x 3-1/2"TypeCenter Cutting Double End General Purpose Square End
| Cutter Diameter | 21/64 in |
| Cutting Direction | Right Hand |
| Finish | Bright |
| Flute Type | Spiral |
| Helix Angle | 30 deg |
| Length of Cut | 3/4 in |
| Material | HSS |
| Number of Flutes | 4 |
| Overall Length | 3-1/2 in |
| Series | HD-4C |
| Shank Diameter | 3/8 in |
| Shank Type | Straight/Weldon Flat |
| Style | HD-4C |
| Surface Condition | Bright |
| Tool Size | 21/64" x 3/8" x 3/4" x 3-1/2" |
| Type | Center Cutting Double End General Purpose Square End |