OSG - 0.3858" 140° Solid Carbide Screw Machine Drill Bit - WD1 Finish, 47mm Flute Length, 89mm OAL, Through Coolant
Item #: 46810552
Brand: OSG
Model #: HP253-3858
Exact Tooling IR#: 04
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) | 0.3858 |
| Drill Bit Size (Letter) | W |
| Drill Point Angle | 140 |
| Drill Bit Material | Solid Carbide |
| Drill Bit Finish/Coating | WD1 |
| Flute Length (mm) | 47.00 |
| Overall Length (mm) | 89.00 |
| Flute Length x Diameter Ratio | 3xD |
| Shank Diameter (mm) | 10.00 |
| Drill Bit Diameter Tolerance (mm) | +0.0060 to +0.0210 |
| Web Thinning | R-Thinned |
| Series/List | HP253 |
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