Rocky Mountain Twist - 0.1695" Diam, 6" OAL Bright Cobalt Aircraft Extension Drill Bit
Item #: 57640237
Brand: Rocky Mountain Twist
Model #: 95005967
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 | |
|---|---|
| Drill Bit Size (Wire) | #18 |
| Drill Bit Size (Decimal) | 0.1695 |
| Drill Point Angle (Degrees) | 135 |
| Drill Bit Material | Cobalt |
| Drill Bit Finish/Coating | Bright |
| Overall Length (Inch) | 6 |
| Flute Length (Inch) | 2-1/8 |
| Flute Length (Decimal Inch) | 2.1250 |
| Specification Designation | NAS |
| Shank Diameter (Decimal Inch) | 0.1695 |
| 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 |
| Drill Bit Diameter Tolerance (Decimal Inch) | +0.0000 to -0.0005 |
| Web Thinning | Web-Thinned |
| Drill Bit Grade | Heavy Duty |
| Through Coolant | No |
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