Walter-Prototyp - #4-40 UNC 3 Flute 3B Modified Bottoming Spiral Flute Tap - Powdered Metal, Bright Finish, 1-7/8" OAL, Right Hand Flute, Right Hand Thread, Series A224101
Item #: 53047494
Brand: Walter-Prototyp
Model #: 5080139
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.
Bright provides a smooth, polished finish on the tool. It increases chip flow in softer materials such as aluminum, wood and plastic.
Slow Spiral Flutes with 8-20 degree angles are used for tough materials like high nickel alloys, titanium and some series of stainless steels.
| Product Specifications | |
|---|---|
| Thread Size (Inch) | #4-40 |
| Chamfer | Modified Bottoming |
| Class of Fit | 3B |
| Number of Flutes | 3 |
| Material | Powdered Metal |
| Finish/Coating | Bright |
| Thread Direction | Right Hand |
| Flute Direction | Right Hand |
| Through Coolant | NonThrough Coolant |
| Overall Length (Decimal Inch) | 1.8750 |
| Overall Length (Inch) | 1-7/8 |
| Overall Length (mm) | 47.63 |
| Helix Angle | 10 |
| Thread Standard | UNC |
| Oversize | No |
| Thread Length (Decimal Inch) | 0.3940 |
| Thread Length (mm) | 10.01 |
| Flute Type | Slow Spiral |
| Series/List | A224101 |
| Shank Diameter (Decimal Inch) | 0.1410 |
| Shank Diameter (mm) | 3.58 |
| Square Length (Inch) | 3/16 |
| Material Application | Aluminum; Cast Steel; Cobalt Alloys; Iron Alloys; Nickel Alloys; Non-Ferrous Metals; Steel; Titanium; Titanium Alloys |
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