OSG - 7/8-9 UNC, 3 Flute, TiCN Finish, Vanadium High Speed Steel Spiral Point Tap - Plug Chamfer, Right Hand Thread, 4-11/16" OAL, 2-7/32" Thread Length, 0.697" Shank Diam, 3B Class of Fit, Series 300
Item #: 78801743
Brand: OSG
Model #: 1725208
Exact Tooling IR#: 04
Features and Benefits
Plug chamfers are the most commonly used chamfer and are designed for efficiently threading through and blind holes. They have 3 to 5 threads.
Titanium carbonitride (TiCN) is harder and more wear-resistant than TiN. It is commonly used on stainless steels, cast iron and aluminum alloys.
Vanadium High Speed Steel (HSSE) is made of high speed steel, carbon, vanadium carbide and other alloys to increase abrasive wear resistance and toughness. It is commonly used in general applications on stainless steels and high silicon aluminums.
| Product Specifications | |
|---|---|
| Thread Size (Inch) | 7/8-9 |
| Number of Flutes | 3 |
| Chamfer | Plug |
| Class of Fit | 3B |
| Thread Limit | H4 |
| Finish/Coating | TiCN |
| Material | Vanadium High Speed Steel |
| Through Coolant | NonThrough Coolant |
| Thread Direction | Right Hand |
| Overall Length (Inch) | 4-11/16 |
| Oversize | No |
| Thread Standard | UNC |
| Thread Length (Inch) | 2-7/32 |
| Series/List | 300 |
| Shank Diameter (Decimal Inch) | 0.6970 |
| Square Size (Decimal Inch) | 0.5230 |
| Material Application | Carbon Steel; Hardened Steel; Stainless Steel |
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