Kennametal - 8.7mm 135° Spiral Flute Solid Carbide Screw Machine Drill Bit
Item #: 58473083
Brand: Kennametal
Model #: 4052029
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.
Multilayer Aluminum Chromium (AlCr) is a blended coating for high performance applications. It is extremely heat and wear resistant and used in cast iron applications due to its high hot hardness.
Spiral flutes are constructed of a higher flute angle to remove chips easier.
| Product Specifications | |
|---|---|
| Drill Bit Size (Decimal Inch) | 0.3425 |
| Drill Bit Size (mm) | 8.70 |
| Drill Point Angle | 135 |
| Drill Bit Material | Solid Carbide |
| Drill Bit Finish/Coating | Multilayer AlCr |
| Flute Type | Spiral |
| Cutting Direction | Right Hand |
| Shank Type | Straight |
| Coolant Through | Yes |
| Flute Length (mm) | 47.00 |
| Flute Length (Decimal Inch) | 1.8504 |
| Overall Length (mm) | 89.00 |
| Overall Length (Decimal Inch) | 3.5039 |
| Flute Length x Diameter Ratio | 3xD |
| Point Type | Standard |
| Shank Diameter (mm) | 10.00 |
| Shank Diameter (Decimal Inch) | 0.3937 |
| Specification Designation | DIN |
| Maximum Drilling Depth (mm) | 35.00 |
| Maximum Drilling Depth (Decimal Inch) | 1.3780 |
| Spiral Type | Regular Spiral |
| Shank Length (mm) | 40.00 |
| Shank Length (Decimal Inch) | 1.5748 |
| Threaded Shank | No |
| Number of Flutes | 2 |
| Drill Point Length (mm) | 2.27 |
| Drill Point Length (Decimal Inch) | 0.0892 |
| Web Configuration | Tapered |
| Drill Bit Diameter Tolerance (mm) | +0.006 to +0.021 |
| Specification Number | DIN 6535 |
| Series/List | B254A-YPC |
| Length Type | Stub |
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