Morse taper center hole: MT4
Diameter of center hole: 1.5748" x 0.3937"
Width of T slot: 0.5511"
6 T slots
Width of locating key: 0.7086"
Transmission ratio of worm gear: 1:90
Readout of hand wheel: 1' per graduation
Minimum value of vernier: 10"
Indexing accuracy: 60"
Maximum working load: 661 lbs ( horizontally )
Maximum working load: 330 lbs ( vertically )
Surface to center slot squareness 0.0003"
Taper center bore concentricity TIR 0.0005"
Surface to base parallelism 0.0008"
Surface to angle face squareness 0.0004"
Center bore concentricity TIR 0.0008"
Maximum spacing error
16" ....... 45 seconds
10 second vernier reading
Dividing Plate is an optional parts