Emuge - #4-40 UNC 2 Flute 2B Modified Bottoming Fast Spiral Flute Tap
Item #: 12611604
Brand: Emuge
Model #: BU50S800.5003
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.
GLT-8 coatings are diamond-like coatings and provide a hard surface for good thermal protection as well as high surface lubricity. Ideal for machining nonferrous materials and aluminum. GLT-8 is a proprietary coating exclusive to Emuge.
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 |
| Class of Fit | 2B |
| Thread Limit | H3 |
| Number of Flutes | 2 |
| Material | Cobalt |
| Finish/Coating | GLT-8 |
| Thread Direction | Right Hand |
| Flute Direction | Right Hand |
| Through Coolant | NonThrough Coolant |
| Overall Length (Decimal Inch) | 2.2050 |
| Thread Standard | UNC |
| Oversize | No |
| Flute Type | Fast Spiral |
| Series/List | BU50S800 |
| Neck Length (Decimal Inch) | 0.7090 |
| Shank Diameter (Decimal Inch) | 0.1410 |
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