OSG - #4-40 UNC, 2 Flute, 50° Helix, Bottoming Chamfer, Bright Finish, High Speed Steel Spiral Flute STI Tap - Right Hand Flute, 2" OAL, 0.141" Shank Diam, 0.169" Thread Length, 2B Class of Fit, Series 13039
Item #: 49265135
Brand: OSG
Model #: 1303900200
Exact Tooling IR#: 04
Features and Benefits
Bottoming chamfers are used for threading blind holes. They have 1 to 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) | #4-40 |
| Class of Fit | 2B |
| Thread Limit | H2 |
| Number of Flutes | 2 |
| Chamfer | Bottoming |
| Finish/Coating | Bright |
| Overall Length (Inch) | 2 |
| Helix Angle | 50 |
| Thread Standard | UNC |
| Material | High Speed Steel |
| Flute Direction | Right Hand |
| Thread Length (Decimal Inch) | 0.1690 |
| Series/List | 13039 |
| Shank Diameter (Decimal Inch) | 0.1410 |
| Material Application | Aluminum |