![Letter E (1/4″)2-3/4″ Flute Length 135° Cobalt Aircraft Extension Drill Straw Finish, Straight-Cylindrical Shank, Split Point, Self-Centering, Series CO500-12](http://toptoolandsupply.com/cdn/shop/products/7856036-21_16e407b3-f368-484a-895f-222c7c59ffa8_1024x1024.jpg?v=1675149594)
Letter E (1/4″)2-3/4″ Flute Length 135° Cobalt Aircraft Extension Drill Straw Finish, Straight-Cylindrical Shank, Split Point, Self-Centering, Series CO500-12
Item #: 78560489
Brand: Precision Twist Drill
Model #: 5995759
Product Specifications
Drill Bit Size (Inch) | 1/4 |
Drill Bit Size (Letter) | E |
Overall Length (Inch) | 12 |
Tool Material | Cobalt |
Coating/Finish | Straw |
Series | CO500-12 |
Drill Point Angle (Degrees) | 135 |
Drill Bit Size (Decimal Inch) | 0.2500 |
Shank Type | Straight-Cylindrical |
Flute Type | Spiral |
Flute Length (Inch) | 2-3/4 |
Flute Length (Decimal Inch) | 2.7500 |
Cutting Direction | Right Hand |
Flute Length X Diameter Ratio | 4xD |
Self-Centering | Yes |
Point Type | Split |
Shank Diameter (Inch) | 1/4 |
Shank Diameter (Decimal Inch) | 0.2500 |
Number of Flutes | 2 |
Web Thinning | Web-Thinned |
Web Configuration | Tapered |
Tool Performance | General Purpose |
Standards | NAS 907 Type J |
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