Guhring - M20x2.50 Metric Coarse 4 Flute 6H Modified Bottoming Spiral Flute Tap - Powdered Metal, TiN Finish, 4.469" OAL, Right Hand Flute, Right Hand Thread, Series 3909
Item #: 64195464
Brand: Guhring
Model #: 9039090200000
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.
Powdered Metal (PM) is tougher and more cost effective than solid carbide. It is commonly used on highly abrasive materials including high silicon aluminums.
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 (mm) | M20x2.50 |
| Chamfer | Modified Bottoming |
| Class of Fit | 6H |
| Number of Flutes | 4 |
| Material | Powdered Metal |
| Finish/Coating | TiN |
| Thread Direction | Right Hand |
| Flute Direction | Right Hand |
| Through Coolant | NonThrough Coolant |
| Overall Length (Decimal Inch) | 4.4690 |
| Helix Angle | 40 |
| Thread Standard | Metric Coarse |
| Oversize | No |
| Flute Type | Fast Spiral |
| Series/List | 3909 |
| Shank Diameter (Decimal Inch) | 0.6520 |
| Material Application | Aerospace Alloy; Stainless Steel |
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