DORMER - 39/64" 130° Parabolic Flute Cobalt Screw Machine Drill Bit - AlCrN Finish, Right Hand Cut, 70mm Flute Length, 108mm OAL, PFX Point, Straight Shank
Item #: 80991268
Brand: DORMER
Model #: 0633472
Exact Tooling IR#: 04
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) has higher-heat resistance than AlTiN. It is commonly used for machining aircraft and aerospace materials, nickel alloys, stainless steel, titanium, cast iron and carbon steel.
Parabolic flutes have a wider flute shape for increased chip flow.
| Product Specifications | |
|---|---|
| Drill Bit Size (Decimal Inch) | 0.6094 |
| Drill Bit Size (Inch) | 39/64 |
| Drill Point Angle | 130 |
| Drill Bit Material | Cobalt |
| Drill Bit Finish/Coating | AlCrN |
| Flute Type | Parabolic |
| Cutting Direction | Right Hand |
| Shank Type | Straight |
| Flute Length (mm) | 70.00 |
| Flute Length (Decimal Inch) | 2.7580 |
| Overall Length (mm) | 108.00 |
| Overall Length (Decimal Inch) | 4.2552 |
| Flute Length x Diameter Ratio | 3xD |
| Point Type | PFX |
| Shank Diameter (mm) | 15.48 |
| Shank Diameter (Decimal Inch) | 0.6094 |
| Shank Diameter (Inch) | 39/64 |
| Specification Designation | ANSI; DIN |
| Threaded Shank | No |
| Number of Flutes | 2 |
| Web Configuration | Tapered |
| Drill Bit Diameter Tolerance (mm) | 0.000 to -0.027 |
| Web Thinning | Web-Thinned |
| Series/List | A921 |
| Length Type | Stub |
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