Guhring - #12-28 UNF 2 Flute 2B Modified Bottoming Spiral Flute Tap - Cobalt, Bright Finish, 2.382" OAL, Right Hand Flute, Right Hand Thread, Series 3932
Item #: 63269120
Brand: Guhring
Model #: 9039320054860
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.
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) | #12-28 |
| Chamfer | Modified Bottoming |
| Class of Fit | 2B |
| Number of Flutes | 2 |
| Material | Cobalt |
| Finish/Coating | Bright |
| Thread Direction | Right Hand |
| Flute Direction | Right Hand |
| Through Coolant | NonThrough Coolant |
| Overall Length (Decimal Inch) | 2.3820 |
| Helix Angle | 45 |
| Thread Standard | UNF |
| Oversize | No |
| Flute Type | Fast Spiral |
| Series/List | 3932 |
| Shank Diameter (Decimal Inch) | 0.2200 |
| Material Application | Aluminum; Aluminum Alloys |
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