The mandrel collet is ideal for finish machining turned parts. The diameter ?D? can be turned or milled to suit the workpiece ID. 
Low design - no interfering clamp straps. 
Tightened using a hex socket wrench or hydraulics. 
Characteristic(s)
Material: 
Mandrel mild steel. 
Taper-head screw low-carbon steel 
Version: 
Mandrel black oxidised. 
Taper-head screw case-hardened.
Assembly: 
Expand the mandrel approx. 0.1 mm over the relaxed diameter. Turn or mill the mandrel to suit the internal diameter of the workpiece. The base flange can be centred in a pocket or using dowel pins.
