OC Collet chucks

Norm: DIN 6391

For mounting straight-shank tools in ISO 10897 (DIN 6388) collets.

System OC / System Ortlieb / Ortlieb Collet
- High flexibility thanks to the interchangeability of collets
- The clamping range of an OZ collet is nominal to -0.5 mm
- Ball bearing type locking nut
- Full power transmission to endmills, center drills, reamers, boring bars, etc.
- High rigidity
- Excellent grip, due to long toolshank mount and slow collet taper 1:10
- Collet taper angle: BHTA/2 = 1/10 (approx. 2°52 )
- High runout accuracy of the chuck assembly
- For collets to DIN 6388 Form A, B and threaded
- Rigid tap machining without square-end of tap

DIN 6391:1990-02 [CURRENT] - Chucks with taper shank 7/24 for collets for tool holder with taper 1 : 10
ISO 10897:2016-09 [CURRENT] - Collets for tool holders with taper ratio 1:10 - Collets, holders, nuts

DIN ISO 10897:2006-01 [WITHDRAWN] - Collets for tool holders with taper ratio 1:10 - Collets, holders, nuts
DIN 6388:1993­02 [WITHDRAWN] - Collets for tool holders with taper ratio 1:10 - Collets, holders, nuts