Description:
Machinable mandrel collet with side lock for internal clamping.

Application:
For finish machining components with blind internal diameters.

Features:
- Diameter can be turned or milled to suit the workpiece bore
- Manual tightening with a hexagon socket wrench

Material:
- Mandrel: Mild steel
- Clamping screw: Carbon steel

Finish / Version:
- Mandrel: Black oxidised
- Clamping screw: Tempered to grade 10.9, hardened and PTFE-coated

Dimensions:
- Form: A
- D: 28.7 mm
- D minimum: 17.8 mm
- D1 h8: 50 mm
- D3: M4
- D4: 39.4 mm
- H: 41.3 mm
- H1: 22.4 mm
- H2: 17.5 mm
- Hexagon SW: 6 mm

Load / Force Data:
- Maximum tightening torque: 66 Nm
- Maximum clamping force: 20 kN

Supplied With:
- Locking ring for machining
- Form A: 6 fastening screws

Notes:
Expand the mandrel approximately 0.1 mm over its relaxed diameter before machining it to the workpiece bore. Form A is for machining centres, drilling and milling machines. Form B has a shaft for holding in lathe chucks.