Description:
Material:
Body 1.2842;
balls and hexagonal 1.4112;
tension spring 1.4310
Surface finish:
Body hardened and black oxide finished; balls and hexagonal hardened and ground
Note:
Form B: with hexagon for surface-sensitive holes.
Application:
To position and self-centre round holes from inside to outside.
Advantages:
- Precise self-centring.
- No-warp tensioning.
- Large travels.
- Low height.
Technical data:
Repeat accuracy ±0.025
Truth of running ±0.05