Guhring - #8-32 UNC 3 Flute H7 Modified Bottoming Spiral Flute Tap - Cobalt, TiN Finish, 2.13" OAL, Right Hand Flute, Right Hand Thread, H7, Series 3980
Item #: 58540766
Brand: Guhring
Model #: 9039800041660
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) | #8-32 |
| Chamfer | Modified Bottoming |
| Class of Fit | H7 |
| Thread Limit | H7 |
| Number of Flutes | 3 |
| Material | Cobalt |
| Finish/Coating | TiN |
| Thread Direction | Right Hand |
| Flute Direction | Right Hand |
| Through Coolant | NonThrough Coolant |
| Overall Length (Decimal Inch) | 2.1300 |
| Helix Angle | 40 |
| Thread Standard | UNC |
| Amount Oversize (Decimal Inch) | 0.0030 |
| Flute Type | Fast Spiral |
| Series/List | 3980 |
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