Seco - 20 to 21.99mm Diam, 5xD, 125mm Max Depth, 25mm Shank Diam, 138.5mm Flute, 214.5mm OAL, Replaceable Tip Drill - SD105 Toolholder, Series Crownloc
Item #: 77906766
Brand: Seco
Model #: 20679
Exact Tooling IR#: 04
Features and Benefits
Weldon flats are designed with a set screw that secures the tool for increased torque and reduced slipping. The diameters are typically different from the diameter of the cutting part of the tool.
| Product Specifications | |
|---|---|
| Series | Crownloc |
| Minimum Drill Diameter (mm) | 20.00 |
| Minimum Drill Diameter (Decimal Inch) | 0.7874 |
| Maximum Drill Diameter (mm) | 21.99 |
| Maximum Drill Diameter (Decimal Inch) | 0.8657 |
| Drill Depth by Diameter Ratio | 5xD |
| Maximum Drill Depth (Decimal Inch) | 4.9213 |
| Maximum Drill Depth (mm) | 125.00 |
| Shank Diameter (mm) | 25.00 |
| Shank Diameter (Decimal Inch) | 0.9843 |
| Toolholder Style | SD105 |
| Through Coolant | Through Coolant |
| Shank Type | Weldon Flat |
| Flute Length (mm) | 138.50 |
| Flute Length (Decimal Inch) | 5.4528 |
| Body Length (mm) | 158.50 |
| Body Length (Decimal Inch) | 6.2402 |
| Toolholder Coating | TiAlN |
| Overall Length (mm) | 214.50 |
| Overall Length (Decimal Inch) | 8.4449 |
| Shank Length (mm) | 56.00 |
| Shank Length (Decimal Inch) | 2.2047 |
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