 
        Keo - 1/2" Head Diam, 1/4" Shank Diam, 1 Flute 90° Cobalt Countersink
Item #: 44840148
Brand: Keo
Model #: 55428
Features and Benefits
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. 
 | Product Specifications | |
|---|---|
| Head Diameter (mm) | 12.70 | 
| Head Diameter (Inch) | 1/2 | 
| Head Diameter (Decimal Inch) | 0.5000 | 
| Number of Flutes | 1 | 
| Included Angle | 90 | 
| Countersink Material | Cobalt | 
| Countersink Finish/Coating | Bright | 
| Shank Diameter (mm) | 6.35 | 
| Shank Diameter (Decimal Inch) | 0.2500 | 
| Shank Diameter (Inch) | 1/4 | 
| Maximum Cutting Diameter (Inch) | 1/2 | 
| Overall Length (mm) | 51 | 
| Overall Length (Inch) | 2 | 
| Overall Length (Decimal Inch) | 2.0000 | 
| Countersink Application | Chamfering; Countersinking; Deburring | 
| End Type | Single | 
| PSC Code | 5133 | 
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