OSG - 5/16", 140° Point, Spiral Flute, Solid Carbide Taper Length Drill Bit - WD1 Finish, 76mm Flute Length, 116mm OAL, Series HP258
Item #: 68641885
Brand: OSG
Model #: HP258-3126
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 nano-coating developed for carbide drills and is harder and can be run at higher speeds versus TiAlN. It is used for applications in iron, steel, stainless steel and alloy steel. WD1 is a proprietary coating exclusive to OSG Tap and Die, Inc.
Spiral flutes are constructed with a higher flute angle to remove chips more easily.
| Product Specifications | |
|---|---|
| Drill Bit Size (Inch) | 5/16 |
| Drill Bit Size (Decimal Inch) | 0.3125 |
| Drill Point Angle | 140 |
| Drill Bit Material | Solid Carbide |
| Drill Bit Finish/Coating | WD1 |
| Flute Type | Spiral |
| Cutting Direction | Right Hand |
| Through Coolant | Yes |
| Point Type | R Thinning |
| Flute Length (mm) | 76.00 |
| Overall Length (mm) | 116.00 |
| Spiral Type | Regular Spiral |
| Shank Diameter (mm) | 8.00 |
| Flute Length x Diameter Ratio | 8xD |
| Series/List | HP258 |
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