Description:
Expandable centring clamp for centring and lightly clamping workpieces in a bore.

Features:
- Wide expansion range
- Series covers bore diameters from 12 to 30 mm
- Internal-thread versions include a centring spigot for increased accuracy

Material:
- Body: Steel
- Bushes: Carbon steel

Finish / Version:
- Black oxidised

Dimensions:
- Thread type: External Thread
- D minimum: 12 mm
- D maximum: 15 mm
- D1 / Thread: M6
- D3: 11.4 mm
- H minimum: 22 mm
- H maximum: 27.5 mm
- L minimum: 4.8 mm
- L1: 12 mm
- Hexagon SW: 9 mm
- Hexagon SW1: 2.5 mm

Load / Force Data:
- Maximum clamping force: 1.5 kN
- Maximum tightening torque: 2.2 Nm

Notes:
Centring accuracy is +/-0.2 mm. Internal-thread versions fit M6 grid systems.