OSG - #4-40 UNC, 2 Flute, 2° Helix, Semi-Bottoming Chamfer, V Finish, Powdered Metal Spiral Flute STI Tap - Right Hand Flute, 2" OAL, 0.141" Shank Diam, 3/4" Thread Length, 2B Class of Fit, Series 315
Item #: 49147440
Brand: OSG
Model #: 31520208
Exact Tooling IR#: 04
Features and Benefits
Semi-bottoming chamfers are used for blind holes. They have 3 to 3-1/2 threads.
V is a multi-layered TiCN coating that is harder and has greater wear resistance than TiN. It is used for applications in cast iron, steel, stainless steel, nickel alloys and aluminum. V is a proprietary coating exclusive to OSG Tap and Die, Inc.
| Product Specifications | |
|---|---|
| Thread Size (Inch) | #4-40 |
| Class of Fit | 2B |
| Thread Limit | H2 |
| Number of Flutes | 2 |
| Chamfer | Semi-Bottoming |
| Finish/Coating | V |
| Overall Length (Inch) | 2 |
| Helix Angle | 2 |
| Thread Standard | UNC |
| Material | Powdered Metal |
| Flute Direction | Right Hand |
| Thread Length (Decimal Inch) | 0.7520 |
| Series/List | 315 |
| Shank Diameter (Decimal Inch) | 0.1410 |
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