OSG - 1/2-20 UNF, 4 Flute, 50° Helix, Semi-Bottoming Chamfer, Bright Finish, High Speed Steel Spiral Flute STI Tap - Right Hand Flute, 3-13/16" OAL, 0.48" Shank Diam, 1/2" Thread Length, 2B Class of Fit, Series 13039
Item #: 49265192
Brand: OSG
Model #: 1303901300
Exact Tooling IR#: 04
Features and Benefits
Semi-bottoming chamfers are used for blind holes. They have 3 to 3-1/2 threads.
Bright provides a smooth, polished finish on the tool. It increases chip flow in softer materials such as aluminum, wood and plastic.
| Product Specifications | |
|---|---|
| Thread Size (Inch) | 1/2-20 |
| Class of Fit | 2B |
| Thread Limit | H4 |
| Number of Flutes | 4 |
| Chamfer | Semi-Bottoming |
| Finish/Coating | Bright |
| Overall Length (Inch) | 3-13/16 |
| Helix Angle | 50 |
| Thread Standard | UNF |
| Material | High Speed Steel |
| Flute Direction | Right Hand |
| Thread Length (Inch) | 1/2 |
| Series/List | 13039 |
| Shank Diameter (Decimal Inch) | 0.4800 |
| Material Application | Aluminum |