OSG - 7/8-14 UNF, 3 Flute, TiN 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 #: 70865266
Brand: OSG
Model #: 1725305
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 Nitride (TiN) is a multi-purpose coating which increases chip flow in softer materials. The heat and hardness resistance allows the tool to run at higher speeds than uncoated tools.
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) | 7/8-14 |
| Number of Flutes | 3 |
| Chamfer | Plug |
| Class of Fit | 3B |
| Thread Limit | H4 |
| Finish/Coating | TiN |
| Material | Vanadium High Speed Steel |
| Through Coolant | NonThrough Coolant |
| Thread Direction | Right Hand |
| Overall Length (Inch) | 4-11/16 |
| Oversize | No |
| Thread Standard | UNF |
| Thread Length (Inch) | 2-7/32 |
| Series/List | 300 |
| Shank Diameter (Decimal Inch) | 0.6970 |
| Square Size (Decimal Inch) | 0.5230 |
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