DORMER - 1/4-20 UNC 3 Flute 2B/3B Semi-Bottoming Spiral Flute Tap
Item #: 16946634
Brand: DORMER
Model #: 7350339
Features and Benefits
Semi-bottoming chamfers are used for blind holes. They have 3 to 3-1/2 threads.
Powdered metal cobalt high speed steel provides the highest performance of the powdered metals. It is used at extremely high temperatures and cutting speeds on highly abrasive materials.
| Product Specifications | |
|---|---|
| Thread Size (Inch) | 1/4-20 |
| Chamfer | Semi-Bottoming |
| Class of Fit | 2B/3B |
| Thread Limit | H5 |
| Number of Flutes | 3 |
| Material | PM Cobalt |
| Finish/Coating | SUPER-B |
| Thread Direction | Right Hand |
| Flute Direction | Right Hand |
| Through Coolant | Through Coolant |
| Overall Length (Decimal Inch) | 3.1500 |
| Thread Standard | UNC |
| Thread Length (Decimal Inch) | 5.1000 |
| Series/List | E812 |
| Shank Diameter (Decimal Inch) | 0.2550 |
| Shank Length (Decimal Inch) | 0.3100 |
| Material Application | Stainless Steel |
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