Walter-Prototyp - M8x1.25 Metric Coarse, 4 Flute, 25° Helix, Modified Bottoming Chamfer, Bright Finish, Powdered Metal Spiral Flute STI Tap - Right Hand Flute, 3-15/16" OAL, 0.3937" Shank Diam, 0.7874" Thread Length, 4H Class of Fit, Series 204089
Item #: 53047213
Brand: Walter-Prototyp
Model #: 5076452
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.
Bright provides a smooth, polished finish on the tool. It increases chip flow in softer materials such as aluminum, wood and plastic.
| Product Specifications | |
|---|---|
| Thread Size (mm) | M8x1.25 |
| Class of Fit | 4H |
| Number of Flutes | 4 |
| Chamfer | Modified Bottoming |
| Finish/Coating | Bright |
| Overall Length (Decimal Inch) | 3.9370 |
| Overall Length (mm) | 100.00 |
| Helix Angle | 25 |
| Thread Standard | Metric Coarse |
| Material | Powdered Metal |
| Flute Direction | Right Hand |
| Thread Length (Decimal Inch) | 0.7874 |
| Thread Length (mm) | 20.00 |
| Series/List | 204089 |
| Shank Diameter (Decimal Inch) | 0.3937 |
| Shank Diameter (mm) | 10.00 |
| Material Application | Aluminum; Cast Steel; Cobalt Alloys; Grey Cast Iron; Iron Alloys; Malleable Cast Iron; Nickel Alloys; Non-Ferrous Metals; Spheroidal Cast Iron; Steel; Titanium; Titanium Alloys; Vermicular Cast Iron |
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