OSG - 7/16-20 UNF, 3 Flute, 3° Helix, Semi-Bottoming Chamfer, V Finish, Powdered Metal Spiral Flute STI Tap - Right Hand Flute, 3-19/32" OAL, 0.429" Shank Diam, 1.9331" Thread Length, 2B Class of Fit, Series 315
Item #: 49147408
Brand: OSG
Model #: 31520908
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) | 7/16-20 |
| Class of Fit | 2B |
| Thread Limit | H4 |
| Number of Flutes | 3 |
| Chamfer | Semi-Bottoming |
| Finish/Coating | V |
| Overall Length (Inch) | 3-19/32 |
| Helix Angle | 3 |
| Thread Standard | UNF |
| Material | Powdered Metal |
| Flute Direction | Right Hand |
| Thread Length (Decimal Inch) | 1.9331 |
| Series/List | 315 |
| Shank Diameter (Decimal Inch) | 0.4290 |
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