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Forwards countersinking mill 180°, Weldon shank, Countersink ⌀ D: 31mm
Article no.: 217160 31
Article code:
Product details
Technical Data
| Type of product | subland drill | |
| Cutter diameter, min. Dc | 31 mm | |
| Angle, 1st step | 180 degrees | |
| Number of cutting edges, total | 2 | |
| Shank diameter DS | 20 mm | |
| Overall length L | 136 mm | |
| Gauge length A | 55 mm | |
| Through-coolant | yes | |
| Entry of cooling lubricant | with cooling lubricant entry, axially concentric | |
| Interface position | on the machine | |
| Holder type | plain shank | |
| Interface coding | ZYL02001005 | |
| Holder version | metric | |
| Holder size, metric | 20 mm | |
| Holder tolerance class | h6 | |
| Length of shank LS | 81 mm | |
| Shank type | HB | |
| Cooling lubricant | yes | |
| Manufacturer’s designation | Vorwärts-Senker 180° | |
| Initial diameter d | 14 mm | |
| Number of steps | 1 | |
| Body diameter D2 | 19.5 mm | |
| Step angle | 180 degrees | |
| Interface | joint 1 | |
| Insert thickness T | 3.97 mm | |
| Type of fastening for insert | S (with counterbore screwed through hole) | |
| Interface coding for insert | CC09T3__3N | |
| Usable length L1 | 87 mm | |
| Weight | 340 g | |
| Cutting direction | right-hand cutting | |
| Standard | DIN 974-1 | |
| Machining method | subland drilling (SPL) | |
| Indexable insert size | 09 | |
| Content | single part |
Identification & Classification
| Article number | 217160 31 | |
| EAN / GTIN | 4045197552662 | |
| Manufacturer number | 217160 31 | |
| Manufacturer/responsible person | Hoffmann Supply Chain GmbH & Co. KG, Poststraße 15, 90471 Nürnberg, Germany, www.hoffmann-group.com |
Description
Standard:
DIN 974-1 series 1 (for DIN cylinder-head bolts).
Note:
The recommended indexable inserts have a corner radius of 0.4 mm. If indexable inserts with a different larger corner radius are used, the dimension ⌀ dmin (see table) will not be achieved!