Used as an adaptor on the SIEG C2, C3, SC2 and SC3 and similar Mini Lathes when fitting a 100mm chuck.
Diameter: 100mm.
Register on Back: 55mm - Fits C2, C3, SC2 and SC3 spindle.
Register on Front: 72mm - Suitable for most 100mm Chinese chucks.
Fixing Holes: 84mm PCD, Suitable for most 100mm Chinese 3 jaw and 4 jaw chucks.
Centre Bore: 26.5mm.
Material: Steel.