Precision Twist Drill - 0.209" Diam, 6" OAL Oxide/Gold Cobalt Aircraft Extension Drill Bit
Item #: 78561958
Brand: Precision Twist Drill
Model #: 053704
Features and Benefits
Cobalt is harder than high speed steel and provides better wear resistance. It is commonly used on high tensile alloys.
Oxide gold finish provides a polished finish and prevents chip building, galling and welding on a workpiece. It is commonly used on low carbon, stainless steel and ferrous metals.
| Product Specifications | |
|---|---|
| Drill Bit Size (Wire) | #4 |
| Drill Bit Size (Decimal) | 0.2090 |
| Drill Point Angle (Degrees) | 135 |
| Drill Bit Material | Cobalt |
| Drill Bit Finish/Coating | Oxide/Gold |
| Overall Length (Inch) | 6 |
| Flute Length (Inch) | 2-1/2 |
| Flute Length (mm) | 63.50 |
| Specification Designation | ANSI; NAS |
| Spiral Type | Regular Spiral |
| Flute Type | Spiral |
| Number of Flutes | 2 |
| Cutting Direction | Right Hand |
| Point Type | Split Point |
| Shank Type | Straight |
| Web Configuration | Tapered |
| Web Thinning | Web-Thinned |
| Specification Number | NAS 907 |
| Drill Bit Grade | Heavy Duty |
| Series/List | CO501-6 |
| Through Coolant | No |
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