Extra Length Drill Bit: 0.25″ Dia, 130 °, High Speed Steel Uncoated, Parabolic Flute, Straight-Cylindrical Shank, Series 524
Item #: 69335503
Brand: Guhring
Model #: 9005240063500
Product Specifications
| Drill Bit Size (Inch) | 1/4 |
| Drill Bit Size (Letter) | E |
| Overall Length (mm) | 215.00 |
| Flute Length (mm) | 150.00 |
| Tool Material | High Speed Steel |
| Coating/Finish | Uncoated |
| Drill Point Angle | 130 |
| Shank Type | Straight-Cylindrical |
| Coolant Through | No |
| Flute Type | Parabolic |
| Series | 524 |
| Point Type | GT 50 |
| Cutting Direction | Right Hand |
| Tool Application | Deep Hole Drilling |
| Spiral Type | Regular |
| Drill Bit Diameter Tolerance | h8 |
| Number Of Flutes | 2 |
| Web Thinning | Web-Thinned |
| Primary Workpiece Material | Aluminum |
| Primary Workpiece Material Code | N |
| Secondary Workpiece Material | Steel |
| Secondary Workpiece Material Code | P |
| Standards | DIN 1869 |
| Drill Bit Grade | General Purpose |
| Drill Bit Size (Decimal Inch) | 0.2500 |
| Shank Diameter (mm) | 6.35 |
| Shank Length (mm) | 65.00 |
| Flute By Diameter Ratio | 10xD |
| Maximum Drilling Depth (Decimal Inch) | 5.5310 |
| Maximum Drilling Depth (mm) | 140.48 |
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