OSG - 12.8mm 140° Solid Carbide Screw Machine Drill Bit
Item #: 91746255
Brand: OSG
Model #: HP243-5039
Features and Benefits
Solid carbide provides better rigidity than high speed steel. It is extremely heat resistant and used for high-speed applications on cast iron, nonferrous materials, plastics and other tough-to-machine materials.
WD1 is a multi-layer coating that is harder and more resistant to heat than TiAIN. It is commonly used on medium-to high-carbon steel and other difficult-to-machine materials. WD1 is a proprietary coating exclusive to OSG Tap and Die, Inc.
| Product Specifications | |
|---|---|
| Drill Bit Size (Decimal Inch) | 0.5039 |
| Drill Bit Size (mm) | 12.80 |
| Drill Point Angle | 140 |
| Drill Bit Material | Solid Carbide |
| Drill Bit Finish/Coating | WD1 |
| Flute Length (mm) | 60.00 |
| Overall Length (mm) | 107.00 |
| Flute Length x Diameter Ratio | 3xD |
| Shank Diameter (mm) | 14.00 |
| Drill Bit Diameter Tolerance (mm) | +0.0070 to +0.0250 |
| Web Thinning | R-Thinned |
| Series/List | HP243 |
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