Extra Length Drill Bit: 0.25″ Dia, 135 °, Solid Carbide - AlCrN;TiSiN Finish, 4.685″ Flute Length, Spiral Flute, Straight-Cylindrical Shank, Series B271-HPG
Item #: 42703587
Brand: Kennametal
Model #: 5506071
Product Specifications
| Drill Bit Size (Inch) | 1/4 |
| Drill Bit Size (Letter) | E |
| Overall Length (mm) | 162.00 |
| Flute Length (mm) | 119.00 |
| Tool Material | Solid Carbide |
| Coating/Finish | AlCrN; TiSiN |
| Drill Point Angle | 135 |
| Shank Type | Straight-Cylindrical |
| Coolant Through | Yes |
| Flute Type | Spiral |
| Series | B271-HPG |
| Point Type | Standard |
| Cutting Direction | Right Hand |
| Drill Bit Diameter Tolerance | +0.000 to -0.015 mm; +0.0000 to -0.0006 in |
| Number Of Flutes | 2 |
| Web Thinning | Web-Thinned |
| Web Configuration | Tapered |
| Drill Bit Size (Decimal Inch) | 0.2500 |
| Drill Point Length (mm) | 1.20 |
| Drill Point Length (Decimal Inch) | 0.0472 |
| Shank Diameter (Decimal Inch) | 0.2756 |
| Shank Diameter (mm) | 7.00 |
| Shank Length (Decimal Inch) | 1.4961 |
| Shank Length (mm) | 38.00 |
| Flute Length (Decimal Inch) | 4.6850 |
| Flute By Diameter Ratio | 15xD |
| Maximum Drilling Depth (Decimal Inch) | 4.0945 |
| Maximum Drilling Depth (mm) | 104.00 |
| Material Grade | Fine Grain |
| Specification Designation | DIN |
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