Kennametal - 1/4-28 UNF 3 Flute 3B Bottoming Spiral Flute Tap - Vanadium High Speed Steel, Bright Finish, 2-1/2" OAL, Right Hand Flute, Right Hand Thread, H3
Item #: 88206248
Brand: Kennametal
Model #: 4130622
Exact Tooling IR#: 04
Features and Benefits
Bottoming chamfers are used for threading blind holes. They have 1 to 2 threads.
Vanadium High Speed Steel (HSSE) is made of high speed steel, carbon, vanadium carbide and other alloys to increase abrasive wear resistance and toughness. It is commonly used in general applications on stainless steels and 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.
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) | 1/4-28 |
| Chamfer | Bottoming |
| Class of Fit | 3B |
| Thread Limit | H3 |
| Number of Flutes | 3 |
| Material | Vanadium High Speed Steel |
| Finish/Coating | Bright |
| Thread Direction | Right Hand |
| Flute Direction | Right Hand |
| Through Coolant | NonThrough Coolant |
| Overall Length (Decimal Inch) | 2.5000 |
| Helix Angle | 52 |
| Thread Standard | UNF |
| Oversize | No |
| Thread Length (Decimal Inch) | 0.6250 |
| Flute Type | Fast Spiral |
| Neck Length (Decimal Inch) | 0.3750 |
| Shank Diameter (Decimal Inch) | 0.2550 |
| Material Application | Non-Ferrous Metals |
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