Kennametal - #4-40 2 Flute Modified Bottoming Spiral Flute Tap - Cobalt, Oxide Finish, 47.8mm OAL, Right Hand Flute, Right Hand Thread, H3
Item #: 37926466
Brand: Kennametal
Model #: 6140601
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.
Cobalt is harder than high speed steel and provides better wear resistance. It is commonly used on high tensile alloys.
Oxide, also known as black oxide or steam oxide, is a surface treatment that prevents chip building, galling and welding on the workpiece. It is commonly used on low carbons, stainless steel and ferrous metals.
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) | #4-40 |
| Chamfer | Modified Bottoming |
| Thread Limit | H3 |
| Number of Flutes | 2 |
| Material | Cobalt |
| Finish/Coating | Oxide |
| Thread Direction | Right Hand |
| Flute Direction | Right Hand |
| Through Coolant | NonThrough Coolant |
| Overall Length (Decimal Inch) | 1.8800 |
| Overall Length (mm) | 47.80 |
| Helix Angle | 45 |
| Thread Length (Decimal Inch) | 0.5200 |
| Thread Length (mm) | 13.20 |
| Flute Type | Fast Spiral |
| Neck Length (Decimal Inch) | 0.1800 |
| Tapping Depth (Decimal Inch) | 0.7000 |
| Tapping Depth (mm) | 18.00 |
| Shank Diameter (Decimal Inch) | 0.1410 |
| Shank Diameter (mm) | 3.58 |
| Shank Length (Decimal Inch) | 0.9600 |
| Shank Length (mm) | 24 |
| Square Length (Inch) | 0.1900 |
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