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Manufacturer number:
Cat. No.:
Indexable drill toolholder VARIA, VXT4, Clamping ⌀ D1: 12mm
Article no.: 2157678
Catalog no.: 319846
Article code:
Product details
Technical Data
| Through-coolant | yes | |
| Entry of cooling lubricant | with cooling lubricant entry, axially concentric | |
| Escape of cooling lubricant | with cooling lubricant exit, axial groove on shank | |
| Cooling lubricant | yes | |
| Series | VARIA VXT | |
| Manufacturer’s designation | Vollbohrerhalter VARIA VXT4 Spann-Ø 12mm | |
| Interface position | on the machine; on the workpiece | |
| Holder type | Plain shank | |
| Interface coding | EWC00400395; ZYL01202215 | |
| Holder shape | straight clamping flat | |
| Holder version | dimensionless nominal size without cooling; metric | |
| Holder size, metric | 0120 mm | |
| Holder size, no dimensions | 0040 | |
| Type of mounting | spigot; spigot | |
| Shank diameter | 12 mm | |
| Shank length | 45.85 mm | |
| Holder diameter, ISO tolerance class | 12.018 mm | |
| Tolerance Class | H7 | |
| Upper dimension of nominal diameter | 0 mm | |
| Lower dimension of nominal diameter | 0 mm | |
| Shank form | round | |
| Shank diameter | 12 mm | |
| Head shape | round | |
| Head length | 7.3 mm | |
| Functional height | 64 mm | |
| Functional width | 68 mm | |
| Cutting edge length | 42 mm | |
| Interface | joint 1; joint 2 | |
| Gauge length | 20 mm | |
| Usable length | 63.85 mm | |
| Functional length | 50 mm | |
| Cutting direction | right-hand cutting | |
| Standard | DIN 4000-89 | |
| Machining method | drilling into solid material | |
| Type of product | Clamping toolholder | |
| Content | single part |
Identification & Classification
| Article number | 2157678 | |
| Catalog number | 319846 | |
| EAN / GTIN | 4069739471167 | |
| Manufacturer/responsible person | EWS Weigele GmbH & Co. KG, Maybachstraße 1, 73066 Uhingen, Germany, www.ews-tools.de |
Description
Version:
VXT − double cone flex system. Polygon torque resistance up 200 Nm.
Advantage:
- Optimised stability and dampening
- Tool change, flexibility and modularity.
- Highest precision and repeatability (+/- 0.002).
- Backward compatibility with VARIA VX
Application:
Quick-change system for static rotary applications.
Note:
Maximum tightening torque for VXT3 and VXT4 is 5.4 Nm, which can be achieved using the appropriate torque wrench No. 211750 size 5.7. When releasing the inserts, do not travel beyond the stop. We recommend the EWS Clean and cleaning set for cleaning the Varia toolholders and replaceable inserts.