Jobber Length Drill Bit: 0.25″ Dia, 130 °, Cobalt TiN Finish, 3.9764″ OAL, Right Hand Cut, Spiral Flute, Straight-Cylindrical Shank, Series 657
Item #: 83973073
Brand: Guhring
Model #: 9006570063500
Product Specifications
| Drill Bit Size (Decimal Inch) | 0.2500 |
| Drill Bit Size (Inch) | 1/4 |
| Drill Bit Size (Letter) | E |
| Drill Bit Material | Cobalt |
| Cutting Direction | Right Hand |
| Drill Bit Finish/Coating | TiN |
| Drill Point Angle (Degrees) | 130 |
| Spiral Type | Regular |
| Flute Type | Spiral |
| Point Type | Split |
| Coolant Through | No |
| Shank Type | Straight-Cylindrical |
| Number of Flutes | 2 |
| Shank Diameter (Decimal Inch) | 0.2500 |
| Overall Length (mm) | 101.00 |
| Overall Length (Decimal Inch) | 3.9764 |
| Flute Length (mm) | 63.00 |
| Flute Length (Decimal Inch) | 2.4803 |
| Series | 657 |
| Tool Application | Self-Centering |
| Flute Length x Diamter Ratio | 5xD |
| Flute By Diameter Ratio | 5xD |
| Shank Diameter (Inch) | 1/4 |
| Shank Diameter (mm) | 6.35 |
| Maximum Drilling Depth (Decimal Inch) | 2.4803 |
| Maximum Drilling Depth (mm) | 63.00 |
| Shank Length (mm) | 38.00 |
| Shank Length (Decimal Inch) | 1.4961 |
| Drill Bit Diameter Tolerance | +0.000 to -0.022 mm |
| Web Thinning | Web-Thinned |
| Web Configuration | Tapered |
| Tool Performance | High Performance |
| Standards | DIN 338 |
| Specification Number | DIN 338 |
| Drill Bit Size Range (Decimal Inch) | 0.2500 - 0.3000 |
| Material Grade | M35 |
| Specification Designation | DIN |
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| MSC Part # | 83973073 |
| Mfr Part # | 9006570063500 |
| Country of OriginCountry of Origin is subject to change | Germany |
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