Guhring - 6.4mm 130° Spiral Flute Cobalt Screw Machine Drill Bit
Item #: 82372905
Brand: Guhring
Model #: 9003290064000
Features and Benefits
Cobalt is harder than high speed steel and provides better wear resistance. It is commonly used on high tensile alloys.
Oxide prevents chip building, galling and welding on the workpiece. It is commonly used on low carbons, stainless steel and iron based ferrous metals.
Spiral flutes are constructed of a higher flute angle to remove chips easier.
| Product Specifications | |
|---|---|
| Drill Bit Size (Decimal Inch) | 0.2520 |
| Drill Bit Size (mm) | 6.40 |
| Drill Point Angle | 130 |
| Drill Bit Material | Cobalt |
| Drill Bit Finish/Coating | Oxide |
| Flute Type | Spiral |
| Cutting Direction | Right Hand |
| Shank Type | Straight |
| Coolant Through | No |
| Flute Length (mm) | 31.00 |
| Flute Length (Decimal Inch) | 1.2205 |
| Overall Length (mm) | 70.00 |
| Overall Length (Decimal Inch) | 2.7559 |
| Flute Length x Diameter Ratio | 3xD |
| Point Type | Standard |
| Shank Diameter (mm) | 6.40 |
| Shank Diameter (Decimal Inch) | 0.2520 |
| Specification Designation | DIN |
| Maximum Drilling Depth (mm) | 31.00 |
| Maximum Drilling Depth (Decimal Inch) | 1.2205 |
| Spiral Type | Regular Spiral |
| Shank Length (mm) | 39.00 |
| Shank Length (Decimal Inch) | 1.5354 |
| Threaded Shank | No |
| Number of Flutes | 2 |
| Web Configuration | Tapered |
| Drill Bit Diameter Tolerance (mm) | +0.000 to -0.022 |
| Drill Tip Finish/Coating | Oxide |
| Specification Number | DIN 1897 |
| Web Thinning | Web-Thinned |
| Material Grade | M35 |
| Series/List | 329 |
| Length Type | Stub |
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