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Premium step drill made of HSS-E material: highly heat-resistant and suitable for stainless and heat-resistant steels. These drills feature Bohrcraft's proprietary multi-layer coating, which enhances the durability of the product. The CBN-ground spiral flute ensures smooth operation and clean, burr-free holes. The chips that form are reliably ejected in the opposite direction to the cutting direction. The maximum material thickness corresponds to the height of the step.
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| Technical data Size mm: 4 - 20 |
1766 HSS-E Co5 4-20 Step drill
Bohrcraft 17660300022 2A-S blue+
Product number: 10650095529
Details
Technical details
| Sales unit | Piece |
|---|---|
| Type | C |
| Length mm | 75 |
| Coating | Monikerrospinnoite |
| Mounting / Fastening | Kolmiovarsi |