DORMER - 12.8mm 135° Cobalt Jobber Drill
Item #: 65630642
Brand: DORMER
Model #: 0374689
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.
Spiral flutes are constructed with a higher flute angle to remove chips more easily.
| Product Specifications | |
|---|---|
| Drill Bit Size (mm) | 12.80 |
| Drill Bit Size (Decimal Inch) | 0.5039 |
| Drill Point Angle | 135 |
| Drill Bit Material | Cobalt |
| Drill Bit Finish/Coating | Bright |
| Flute Type | Spiral |
| Cutting Direction | Right Hand |
| Shank Type | Straight |
| Coolant Through | No |
| Flute Length (mm) | 101.00 |
| Flute Length (Decimal Inch) | 3.9794 |
| Overall Length (mm) | 151.00 |
| Overall Length (Decimal Inch) | 5.9494 |
| Flute Length x Diameter Ratio | 4xD |
| Spiral Type | Regular Spiral |
| Specification Designation | DIN; NAS |
| Web Configuration | Tapered |
| Drill Bit Diameter Tolerance (mm) | 0.000 to -0.027 |
| Number of Flutes | 2 |
| Web Thinning | Web-Thinned |
| Specification Number | DIN 338; NAS 907 |
| Series/List | A777 |
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