Guhring - Letter E (1/4) 130° Spiral Flute Cobalt Taper Length Drill Bit
Item #: 06604623
Brand: Guhring
Model #: 9006690063500
Features and Benefits
Cobalt is harder than high speed steel and provides better wear resistance. It is commonly used on high tensile alloys.
Titanium Nitride (TiN) is a multi-purpose coating which increases chip flow in softer materials. The heat and hardness resistance allows the tool to run at higher speeds than uncoated tools.
Spiral flutes are constructed with a higher flute angle to remove chips more easily.
| Product Specifications | |
|---|---|
| Drill Bit Size (Letter) | E |
| Drill Bit Size (Inch) | 1/4 |
| Drill Bit Size (Decimal Inch) | 0.2500 |
| Drill Point Angle | 130 |
| Drill Bit Material | Cobalt |
| Drill Bit Finish/Coating | TiN |
| Flute Type | Spiral |
| Cutting Direction | Right Hand |
| Shank Type | Straight |
| Through Coolant | No |
| Point Type | Split Point |
| Flute Length (Decimal Inch) | 3.8189 |
| Flute Length (mm) | 97.00 |
| Overall Length (mm) | 148.00 |
| Overall Length (Decimal Inch) | 5.8268 |
| Spiral Type | Regular Spiral |
| Shank Diameter (mm) | 6.35 |
| Shank Diameter (Inch) | 1/4 |
| Shank Diameter (Decimal Inch) | 0.2500 |
| Flute Length x Diameter Ratio | 10xD |
| Maximum Drilling Depth (mm) | 97.00 |
| Maximum Drilling Depth (Decimal Inch) | 3.8189 |
| Shank Length (mm) | 51 |
| Shank Length (Decimal Inch) | 2.0079 |
| Web Configuration | Tapered |
| Drill Bit Diameter Tolerance (mm) | +0.000 to -0.022 |
| Web Thinning | Web-Thinned |
| Specification Number | DIN 340 |
| Material Grade | M35 |
| Series/List | 669 |
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