Kennametal - 7/8-9 4 Flute 2B Modified Bottoming Spiral Flute Tap - Cobalt, TiN Finish, 140mm OAL, Right Hand Flute, Right Hand Thread
Item #: 37924503
Brand: Kennametal
Model #: 6173078
Exact Tooling IR#: 04
Features and Benefits
Modified bottoming chamfers are similar to bottoming chamfers, but they are longer and have more teeth. They are used for threading blind holes and have 2 to 2-1/2 threads.
Cobalt is harder than high speed steel and provides better wear resistance. It is commonly used on high tensile alloys.
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.
Fast Spiral Flutes with 40-53 degree angles are suitable for ductile materials like aluminum and copper; medium to high carbon steels and free machining stainless steels.
| Product Specifications | |
|---|---|
| Thread Size (Inch) | 7/8-9 |
| Chamfer | Modified Bottoming |
| Class of Fit | 2B |
| Number of Flutes | 4 |
| Material | Cobalt |
| Finish/Coating | TiN |
| Thread Direction | Right Hand |
| Flute Direction | Right Hand |
| Through Coolant | NonThrough Coolant |
| Overall Length (Decimal Inch) | 5.5100 |
| Overall Length (mm) | 140.00 |
| Helix Angle | 45 |
| Thread Length (Decimal Inch) | 0.9800 |
| Thread Length (mm) | 25.00 |
| Flute Type | Fast Spiral |
| Neck Length (Decimal Inch) | 1.7000 |
| Tapping Depth (Decimal Inch) | 2.6800 |
| Tapping Depth (mm) | 68.00 |
| Shank Diameter (Decimal Inch) | 0.7087 |
| Shank Diameter (mm) | 18.00 |
| Shank Length (Decimal Inch) | 2.8300 |
| Shank Length (mm) | 72 |
| Square Length (Inch) | 0.7100 |
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