Guhring - 25/32" 118° Cobalt Jobber Drill - Oxide Finish, Right Hand Cut, Spiral Flute, Straight Shank, 205mm OAL, Standard Point
Item #: 75278721
Brand: Guhring
Model #: 9003050198400
Exact Tooling IR#: 04
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 ferrous metals.
Spiral flutes are constructed with a higher flute angle to remove chips more easily.
| Product Specifications | |
|---|---|
| Drill Bit Size (Inch) | 25/32 |
| Drill Bit Size (Decimal Inch) | 0.7813 |
| Drill Point Angle | 118 |
| 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) | 140.00 |
| Flute Length (Decimal Inch) | 5.5118 |
| Overall Length (mm) | 205.00 |
| Overall Length (Decimal Inch) | 8.0709 |
| Flute Length x Diameter Ratio | 5xD |
| Point Type | Standard |
| Shank Diameter (mm) | 19.84 |
| Shank Diameter (Inch) | 25/32 |
| Shank Diameter (Decimal Inch) | 0.7813 |
| Maximum Drilling Depth (Decimal Inch) | 5.5118 |
| Maximum Drilling Depth (mm) | 140.00 |
| Spiral Type | Regular Spiral |
| Shank Length (mm) | 65.00 |
| Shank Length (Decimal Inch) | 2.5591 |
| Specification Designation | DIN |
| Web Configuration | Tapered |
| Drill Bit Diameter Tolerance (mm) | +0.000 to -0.033 |
| Number of Flutes | 2 |
| Web Thinning | Web-Thinned |
| Specification Number | DIN 338 |
| Drill Bit Grade | General Purpose |
| Material Grade | M35 |
| Series/List | 305 |
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