3 (three) jaws direct mounting Self centring Lathe chuck Including K11, K11A, K11C types. Size: ... 80mm-1000mm. 3 jaws Self centring Lathe chuck/ direct mounting self centering lathe chuck.Three-jaw Self-centering chuck is ... K11A provides,ISO3442 standard clutches,and Type K11C provides traditional separate clutches.Soft clutches are to be provided on request,higher ...