Cleveland - 1/4" Diam, 12" OAL Bright High Speed Steel Aircraft Extension Drill Bit
Item #: 86453826
Brand: Cleveland
Model #: C13188
Features and Benefits
High speed steel (HSS) provides good wear resistance and can be used in general purpose applications on both ferrous and nonferrous materials.
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 (Letter) | E |
| Drill Bit Size (Inch) | 1/4 |
| Drill Bit Size (Decimal) | 0.2500 |
| Drill Point Angle (Degrees) | 135 |
| Drill Bit Material | High Speed Steel |
| Drill Bit Finish/Coating | Bright |
| Overall Length (Inch) | 12 |
| Flute Length (Inch) | 2-3/4 |
| Flute Length (Decimal Inch) | 2.7500 |
| Flute Length (mm) | 69.85 |
| Specification Designation | 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 |
| Drill Bit Diameter Tolerance (Decimal Inch) | +0.0000 to -0.0007 |
| Web Thinning | Web-Thinned |
| Specification Number | NAS 907 Type A |
| Drill Bit Grade | Heavy Duty |
| Series/List | 3957-12 |
| Through Coolant | No |
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