SGS - 8mm 145° Spiral Flute Solid Carbide Screw Machine Drill Bit - TiCN Finish, Right Hand Cut, 37mm Flute Length, 79mm OAL, Standard Point, Straight Shank
Item #: 58994781
Brand: SGS
Model #: 68590
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.
Titanium carbonitride (TiCN) is harder and more wear resistant than TiN. It is commonly used on stainless steels, cast iron and aluminum alloys.
Spiral flutes are constructed of a higher flute angle to remove chips easier.
| Product Specifications | |
|---|---|
| Drill Bit Size (Decimal Inch) | 0.3150 |
| Drill Bit Size (mm) | 8.00 |
| Drill Point Angle | 145 |
| Drill Bit Material | Solid Carbide |
| Drill Bit Finish/Coating | TiCN |
| Flute Type | Spiral |
| Cutting Direction | Right Hand |
| Shank Type | Straight |
| Flute Length (mm) | 37.00 |
| Flute Length (Decimal Inch) | 1.4567 |
| Overall Length (mm) | 79.00 |
| Overall Length (Decimal Inch) | 3.1102 |
| Flute Length x Diameter Ratio | 3xD |
| Point Type | Standard |
| Shank Diameter (mm) | 8.00 |
| Shank Diameter (Decimal Inch) | 0.3150 |
| Specification Designation | DIN |
| Maximum Drilling Depth (mm) | 27.00 |
| Maximum Drilling Depth (Decimal Inch) | 1.0630 |
| Spiral Type | Regular Spiral |
| Shank Length (mm) | 42.00 |
| Shank Length (Decimal Inch) | 1.6535 |
| Threaded Shank | No |
| Number of Flutes | 2 |
| Web Configuration | Tapered |
| Drill Bit Diameter Tolerance (mm) | +0.000 to -0.015 |
| Drill Tip Finish/Coating | None |
| Specification Number | DIN 6539 |
| Web Thinning | Web-Thinned |
| Drill Bit Grade | High Performance |
| Material Grade | Micrograin |
| Series/List | 108M |
| Length Type | Stub |
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