Keo - 5/16" Head Diam, 1/4" Shank Diam, 3 Flute 90° Cobalt Countersink
Item #: 31484793
Brand: Keo
Model #: 54021
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) | 7.87 |
| Head Diameter (Inch) | 5/16 |
| Head Diameter (Decimal Inch) | 0.3125 |
| Number of Flutes | 3 |
| Included Angle | 90 |
| Countersink Material | Cobalt |
| Countersink Finish/Coating | Bright |
| Minimum Cutting Diameter (mm) | 7.87 |
| Minimum Cutting Diameter (Inch) | 5/16 |
| Shank Diameter (mm) | 6.35 |
| Shank Diameter (Decimal Inch) | 0.2500 |
| Shank Diameter (Inch) | 1/4 |
| Shank Length (Inch) | 1.2031 |
| Shank Length (Decimal Inch) | 1.20 |
| Overall Length (mm) | 45 |
| Overall Length (Inch) | 1-3/4 |
| Overall Length (Decimal Inch) | 1.2031 |
| End Type | Single |
| Shank Type | Straight |
| Shank Material | Cobalt |
| Countersink Head Only | No |
| Attachment Method | Shank |
| Cutting Direction | Right Hand |
| PSC Code | 5133 |
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