TRIBOS-R JIS-BT 30 Ø8x70
Polygonal toolholders
ID 205572
This product is being discontinued and will only be available for a limited period of time.
Learn more and get in touch here.
Phased out date: Jul 1, 2026
TRIBOS-R JIS-BT 30 Ø8x70, Toolholders
- Polygonal toolholders
- Series: TRIBOS-R
- Toolholder interface: JIS-BT 30
- Clamping diameter: 8 mm
- Projecting length: 70 mm
- Run-out accuracy: < 0.003 mm at 2.5 x D
- Balancing grade: G2.5 at 25,000 RPM or Umax < 1 gmm
- Min. torque: 14 Nm
Technical details
| Technologie | Porte-outils de serrage polygonal |
|---|---|
| Gammes | TRIBOS-R |
| Interface de porte-outils | JIS-BT 30 |
| Porte-outil standard | DIN ISO 7388-2 JD |
| Diamètre de serrage D1 | 8 mm |
| D2 [mm] | 28.0 |
| D3 [mm] | 44.5 |
| Porte à faux L1 [mm]/[pouce] | 70 mm / 2.8" |
| L2 [mm] | 37.0 |
| L3 [mm] | 10.0 |
| L4 [mm] | 35.0 |
| L5 [mm] | 48.0 |
| G | M6 |
| Couple de rotation min. [Nm] | 14.0 |
| Poids [kg] | 1.05 |
| Longueur standard | Oui |
Run-out accuracy
< 0.003 mm at 2.5 x D
Balancing grade
G2.5 at 25,000 RPM or Umax < 1 gmm
Tool shank quality
h6
Intermediate sleeves
Additional shank diameters can be clamped using intermediate sleeves
Data carriers
Bore for data carrier as an option
Toolholder changes
For automatic toolholder changes
Coolant supply
Coolant supply according to ISO 7388 JD
Length-setting screw
With adjustment screw for axial length adjustment
Individual
Additional sizes and customized designs are available upon request