DORMER - 20.64 to 21.5mm Diam, 8xD, 25mm Shank Diam, 119.5mm Flute, 196.5mm OAL, Replaceable Tip Drill - H858 Toolholder, Series H858
Item #: 65670200
Brand: DORMER
Model #: 0018736
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 | H858 |
| Minimum Drill Diameter (mm) | 20.64 |
| Minimum Drill Diameter (Decimal Inch) | 0.8126 |
| Maximum Drill Diameter (mm) | 21.50 |
| Maximum Drill Diameter (Decimal Inch) | 0.8465 |
| Drill Depth by Diameter Ratio | 8xD |
| Shank Diameter (mm) | 25.00 |
| Shank Diameter (Decimal Inch) | 0.9850 |
| Toolholder Style | H858 |
| Through Coolant | Through Coolant |
| Shank Type | Weldon Flat |
| Tip Length (mm) | 14.80 |
| Tip Length (Decimal Inch) | 0.5831 |
| Flute Length (mm) | 119.50 |
| Flute Length (Decimal Inch) | 4.7083 |
| Overall Length (mm) | 196.50 |
| Overall Length (Decimal Inch) | 7.7421 |
| Toolholder Material | High Speed Steel |
| Shank Length (mm) | 56.00 |
| Shank Length (Decimal Inch) | 2.2064 |