DORMER - 1/4" 130° 2-Flute Cobalt Extra Length Drill Bit
Item #: 80990559
Brand: DORMER
Model #: 0635933
Features and Benefits
Cobalt is harder than high speed steel and provides better wear resistance. It is commonly used on high tensile alloys.
Aluminum chromium nitride (AlCrN) top has a higher heat resistance than AlTiN. It is commonly used for machining aircraft and aerospace material, nickel alloy, stainless steel, titanium, cast iron and carbon steel. The coating is at the top of the tool.
| Product Specifications | |
|---|---|
| Drill Bit Size (Inch) | 1/4 |
| Drill Bit Size (Decimal Inch) | 0.2500 |
| Drill Point Angle | 130 |
| Drill Bit Material | Cobalt |
| Drill Bit Finish/Coating | AlCrN |
| Overall Length (mm) | 156.00 |
| Through Coolant | NonCoolant Through |
| Flute Length (mm) | 95.00 |
| Flute Length (Decimal Inch) | 3.7430 |
| Cutting Direction | Right Hand |
| Flute Length x Diameter Ratio | 10xD |
| Flute Type | Parabolic |
| Number of Flutes | 2 |
| Point Type | PFX |
| Shank Type | Straight |
| Specification Designation | ANSI; DIN |
| Threaded Shank | No |
| Web Configuration | Tapered |
| Drill Bit Diameter Tolerance (mm) | 0.000 to -0.022 |
| Web Thinning | Web-Thinned |
| Series/List | A941 |
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