Cleveland - Spiral Flute Taps Thread Size (Inch): 1/4-28 Chamfer: Modified Bottoming
Item #: 19908052
Brand: Cleveland
Model #: C98115
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.
Vanadium High Speed Steel (HSSE) is made of high speed steel, carbon, vanadium carbide and other alloys to increase abrasive wear resistance and toughness. It is commonly used in general applications on stainless steels and high silicon aluminums.
Spiral flutes are constructed of a high flute angle to remove chips more easily.
Product Specifications
Spiral Flute Taps; Thread Size (Inch): 1/4-28 ; Chamfer: Modified Bottoming ; Class of Fit: 2B ; Number of Flutes: 3 ; Material: HSS-E ; Finish/Coating: Black Oxide
| Thread Size (Inch) | 1/4-28 |
| Chamfer | Modified Bottoming |
| Class of Fit | 2B |
| Number of Flutes | 3 |
| Material | HSS-E |
| Finish/Coating | Black Oxide |
| Thread Direction | Right Hand |
| Flute Direction | Right Hand |
| Through Coolant | NonThrough Coolant |
| Overall Length (Decimal Inch) | 3.14960 |
| Helix Angle | 38.00 |
| Helix Angle Range | 15 to 45 |
| Thread Standard | DIN |
| Material Grade | HSS-E |
| Oversize | No |
| Thread Length (Decimal Inch) | 1.2600 |
| Flute Type | Spiral |
| Style | Spiral Flute |
| Series/List | PRO-981SF |
| Neck Length (Decimal Inch) | 0.6300 |
| Shank Diameter (Decimal Inch) | 0.2550 |
| PSC Code | 5133 |
| Material Application | Low Carbon Steel; Alloy Steel; Stainless Steel; Cast Iron |
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