1/2″ Diam 4-1/2″ Flute Length 135° Carbide-Tipped Aircraft Extension Drill Bright/Uncoated, Straight-Cylindrical Shank, Split Point, Self-Centering, Series 129
Item #: 81200321
Brand: CJT
Model #: 12905000
Product Specifications
| Drill Bit Size (Inch) | 1/2 |
| Overall Length (Inch) | 12 |
| Tool Material | Carbide-Tipped |
| Coating/Finish | Bright/Uncoated |
| Series | 129 |
| Drill Point Angle (Degrees) | 135 |
| Drill Bit Size (Decimal Inch) | 0.5000 |
| Shank Type | Straight-Cylindrical |
| Flute Type | Spiral |
| Flute Length (Inch) | 4-1/2 |
| Flute Length (Decimal Inch) | 4.5000 |
| Cutting Direction | Right Hand |
| Maximum Drilling Depth (Decimal Inch) | 3.5000 |
| Maximum Drilling Depth (mm) | 88.90 |
| Self-Centering | Yes |
| Point Type | Split |
| Drill Bit Diameter Tolerance | +0.0000 to -0.0010 in |
| Shank Diameter (Inch) | 1/2 |
| Shank Diameter (Decimal Inch) | 0.5000 |
| Number of Flutes | 2 |
| Web Thinning | Web-Thinned |
| Web Configuration | Parallel |
| Standards | NAS 907 |
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