Guhring - 1-5/8-8 UNF 6 Flute 2B Modified Bottoming Spiral Flute Tap - High Speed Steel, TiN Finish, 7.874" OAL, Right Hand Flute, Right Hand Thread, H7, Series 4289
Item #: 10662708
Brand: Guhring
Model #: 9042890412750
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.
High Speed Steel (HSS) provides good wear resistance and can be used in general purpose applications for both ferrous and nonferrous materials.
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.
Spiral flutes are constructed of a high flute angle to remove chips more easily.
| Product Specifications | |
|---|---|
| Thread Size (Inch) | 1-5/8-8 |
| Chamfer | Modified Bottoming |
| Class of Fit | 2B |
| Thread Limit | H7 |
| Number of Flutes | 6 |
| Material | High Speed Steel |
| Finish/Coating | TiN |
| Thread Direction | Right Hand |
| Flute Direction | Right Hand |
| Through Coolant | NonThrough Coolant |
| Overall Length (Decimal Inch) | 7.8740 |
| Helix Angle | 40 |
| Thread Standard | UNF |
| Flute Type | Spiral |
| Style | Spiral Flute |
| Series/List | 4289 |
| Shank Diameter (Decimal Inch) | 1.3050 |
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