OSG - 1-7/8-8 UNS 4 Flute 2B Semi-Bottoming Spiral Flute Tap - Powdered Metal, V Finish, 225mm OAL, Right Hand Flute, Right Hand Thread, H10, Series 16545
Item #: 49212905
Brand: OSG
Model #: 1654503708
Exact Tooling IR#: 04
Features and Benefits
Semi-bottoming chamfers are used for blind holes. They have 3 to 3-1/2 threads.
Powdered Metal (PM) is tougher and more cost effective than solid carbide. It is commonly used on highly abrasive materials including high silicon aluminums.
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.
Spiral flutes are constructed of a high flute angle to remove chips more easily.
| Product Specifications | |
|---|---|
| Thread Size (Inch) | 1-7/8-8 |
| Chamfer | Semi-Bottoming |
| Class of Fit | 2B |
| Thread Limit | H10 |
| Number of Flutes | 4 |
| Material | Powdered Metal |
| Finish/Coating | V |
| Thread Direction | Right Hand |
| Flute Direction | Right Hand |
| Through Coolant | Through Coolant |
| Overall Length (mm) | 225.00 |
| Helix Angle Range | 15 to 45 |
| Thread Standard | UNS |
| Oversize | No |
| Thread Length (mm) | 51.00 |
| Flute Type | Spiral |
| Series/List | 16545 |
| Tapping Depth (mm) | 125.00 |
| Shank Diameter (Decimal Inch) | 1.5190 |
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