Walter-Prototyp - 1/4-28 UNJF 3 Flute 3B Modified Bottoming Spiral Flute Tap - Powdered Metal, AlCrN Finish, 80mm OAL, Right Hand Flute, Right Hand Thread, Series 2340663
Item #: 53049052
Brand: Walter-Prototyp
Model #: 5344189
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.
Aluminum chromium nitride (AlCrN) has higher-heat resistance than AlTiN. It is commonly used for machining aircraft and aerospace material, nickel alloys, stainless steel, titanium, cast iron and carbon steel.
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) | 1/4-28 |
| Chamfer | Modified Bottoming |
| Class of Fit | 3B |
| Number of Flutes | 3 |
| Material | Powdered Metal |
| Finish/Coating | AlCrN |
| Thread Direction | Right Hand |
| Flute Direction | Right Hand |
| Through Coolant | NonThrough Coolant |
| Overall Length (Decimal Inch) | 3.1496 |
| Overall Length (mm) | 80.00 |
| Helix Angle | 15 |
| Thread Standard | UNJF |
| Oversize | No |
| Thread Length (Decimal Inch) | 0.5906 |
| Thread Length (mm) | 15.00 |
| Flute Type | Slow Spiral |
| Series/List | 2340663 |
| Neck Length (Decimal Inch) | 0.3937 |
| Tapping Depth (Decimal Inch) | 0.9843 |
| Tapping Depth (mm) | 25.00 |
| Shank Diameter (Decimal Inch) | 0.2756 |
| Shank Diameter (mm) | 7.00 |
| Material Application | Cobalt Alloys; Iron Alloys; Nickel Alloys; Titanium; Titanium Alloys |
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