Preci Chuck Specifications

 CHUCK MODEL units HF 150 HF 195 HF 250 HF 330 HF 400
 Outside dia of Chuck mm 150 195 250 330 400
 Capacity external
 (Max. Min.)
mm 150-4 195-8 250-8 330-18 400-20
 Internal
 (Max. Min.)
mm 150-45 195-70 250-80 330-112 400-120
 Width of Chuck mm 54 66 83 97 105
 Locating dia for
 Flange
mm 138 180 230 312 380
 Depth of location
 Dia
mm 4.0 5.5 5.5 6 6
 Pitch circle dia for
 Fixing botls
mm 86 102 140 205 260
 Through bore mm 40 45 65 90 110
 Size of fixing bolts mm M10 M12 M16 M22 M24
 Bolting in depth mm 15.5 17 20.5 22 26
 Admissible max.
 Speed
r.p.m. 3000 2500 2000 1250 1000
 Minimum flange width mm 18 24 30 40 40
 Weight of chuck kgs. 7 15 30 61 91