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| Wet minimum | suitable only under restricted conditions | |
| Max. cutting depth ap | 1.3 mm; 1.3 mm | |
| Wet maximum | suitable only under restricted conditions | |
| Dry machining | suitable | |
| Air | suitable | |
| Cooling lubricant | yes | |
| Base form | base profile X | |
| Thickness of insert S | 5.56 mm | |
| Diameter of insert d | 12 mm | |
| Corner radius R | 1.6 mm | |
| Normal clearance angle (main cutting edge) | 15 degrees | |
| Normal clearance angle (auxiliary cutting edge) | 15 degrees | |
| ISO-Code | XDMT120516ZDSR | |
| Attachment hole diameter | 4.7 mm | |
| Cutting depth, recommended working area, max. ap max | 1.3 mm | |
| Cutting depth ap, min. | 0.15 mm | |
| Cutting depth ap, max. | 2 mm | |
| Cutting depth in use | Full slot milling; Side milling | |
| Feed rate per tooth min. fz | 1.2 mm | |
| Tool material | Carbide | |
| Standard designation for cutting medium, 2nd Priority | P20 | |
| Standard designation for cutting medium, 3rd Priority | M20 | |
| Machining group, manufacturer-specific | P20 | |
| Machining group | P (steel) | |
| Cutting media, manufacturer’s designation | HB4030-1 | |
| Coating | CVD | |
| Grade | HB4030 | |
| Insert thickness T | 4.8 mm | |
| Type of fastening for insert | S (with counterbore screwed through hole) | |
| Insert designation | XDMT120516ZDSR | |
| Type of product | cutter insert | |
| With ISO code | yes | |
| Number of teeth | 3 pcs. | |
| Suitable for material | steel (P) | |
| Tolerance Class | M | |
| Type of fastening | hole | |
| Chip breaker | yes | |
| Number of potential uses | 3 pcs. | |
| Content | single part | |
| Correction factor fz | 2.5 |
| 1 Carton | 10 pieces |
| Article number | 2158966 | |
| Catalog number | 212890 | |
| EAN / GTIN | 4069515014977 | |
| Manufacturer number | 212890 ST1400 | |
| Article class | 21A | |
| Manufacturer/responsible person | Hoffmann Supply Chain GmbH & Co. KG, Poststraße 15, 90471 Nürnberg, Germany, www.hoffmann-group.com |