Guhring - 1-1/8 - 12 UNF 4 Flute 2B Modified Bottoming Spiral Flute Tap - Cobalt, TiCN Finish, 5.411" OAL, Right Hand Flute, Right Hand Thread, H6/H7, Series 3950
Item #: 58542259
Brand: Guhring
Model #: 9039500285750
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.
Titanium carbonitride (TiCN) is harder and more wear resistant than TiN. It is commonly used on stainless steels, cast iron and aluminum alloys.
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) | 1-1/8 - 12 |
| Chamfer | Modified Bottoming |
| Class of Fit | 2B |
| Thread Limit | H6/H7 |
| Number of Flutes | 4 |
| Material | Cobalt |
| Finish/Coating | TiCN |
| Thread Direction | Right Hand |
| Flute Direction | Right Hand |
| Through Coolant | NonThrough Coolant |
| Overall Length (Decimal Inch) | 5.4110 |
| Helix Angle | 40 |
| Thread Standard | UNF |
| Flute Type | Fast Spiral |
| Series/List | 3950 |
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