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Manufacturer number:
Grooving toolholder, left-hand, Shank width / groove width w: 25/4mm
Article no.: 273756 25/4
Article code:
- Through-coolant: no
Product details
Technical Data
| Groove width w | 4 mm | |
| Application type | left-hand | |
| Through-coolant | no | |
| Grooving depth tmax | 20 mm | |
| Functional width L4 | 26.5 mm | |
| Head length L1 | 40 mm | |
| Shank width b | 25 mm | |
| Overall length L | 150 mm | |
| Screw | 279815 7 (TX30; 8 Nm) | |
| axial grooving possible | yes | |
| Type of product | Boring bar |
Identification numbers & Classifications
| Article number | 273756 25/4 | |
| EAN / GTIN | 4045197485106 | |
| Manufacturer number | 273756 25/4 |
Description
Version:
Made of high-tensile tool steel (> 1300 N/mm2). In conjunction with the convex insert clamping, the system achieves very high resistance to axial and radial cutting forces and thereby significantly increases the surface quality and productivity.
Note:
From groove width 6 mm at tmax (5×groove width), the second cutter comes into contact with the workpiece. This can lead to scoring. Reliably free of scoring up to t = 24.5 mm.
Downloads & documents
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| Overall length L | 150 mm | 150 mm | 150 mm | 150 mm | 106 mm | 112 mm | 121 mm | 108 mm | 119.5 mm | 130 mm | 129 mm |
| Through-coolant | no | no | no | no | yes | yes | yes | yes | yes | yes | no |
| Screw | 279815 7 (TX30; 8 Nm) | 279815 6 (TX25; 6 Nm) | 279815 6 (TX25; 6 Nm) | 279815 7 (TX30; 8 Nm) | 279815 6 (TX25; 6 Nm) | 279815 7 (TX30; 8 Nm) | 279815 6 (TX25; 6 Nm) | 279815 6 (TX25; 6 Nm) | 279815 7 (TX30; 8 Nm) | 279815 6 (TX25; 6 Nm) | 279816 4 (SW5; 5 Nm) |
| Application type | left-hand | left-hand | left-hand | left-hand | left-hand | left-hand | left-hand | left-hand | left-hand | left-hand | left-hand |
| Functional width L4 | 26.5 mm | 26.5 mm | 26.5 mm | 26.5 mm | 26.5 mm | 26.5 mm | 26.5 mm | 26.5 mm | 26.5 mm | 26.5 mm | 25 mm |
| Grooving depth tmax | 20 mm | 15 mm | 21 mm | 28 mm | 15 mm | 20 mm | 30 mm | 21 mm | 28 mm | 21 mm | 21 mm |
| Type of product | Boring bar | Boring bar | Boring bar | Boring bar | Boring bar | Boring bar | Boring bar | Boring bar | Boring bar | Boring bar | Clamp toolholder |