Bosch - 1/4 to 1-1/8" Hole Diam High Speed Steel Step Drill Bit
Item #: 73850398
Brand: Bosch
Model #: SDH4
Features and Benefits
High Speed Steel (HSS) provides good wear resistance and can be used in general purpose applications on both ferrous and non-ferrous materials.
Round shanks with flats are ground flat on three sides for increased chuck grip, reducing slippage and help centering the drill in the chuck. They are used with portable drills and drill presses on ferrous and non-ferrous materials.
| Product Specifications | |
|---|---|
| Minimum Hole Diameter (mm) | 6.35 |
| Minimum Hole Diameter (Inch) | 1/4 |
| Maximum Hole Diameter (Inch) | 1-1/8 |
| Maximum Hole Diameter (mm) | 28.58 |
| Drill Bit Material | High Speed Steel |
| Shank Type | Round with Flats |
| Shank Diameter (mm) | 9.53 |
| Shank Diameter (Inch) | 3/8 |
| Step Length (mm) | 4.00 |
| Step Length (Inch) | 5/32 |
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