Technical Specifications Distance between spindle centers 32 mm Max. thickness of panels 3 5/32" Max. boring depth 3 5/32" Number of Clamps 2 Vertical Heads Number of vertical heads 2 Number of spindles each head 23 Min. distance between the parallel heads 5 29/32" Max. distance between the parallel heads 33 1/2" Distance between the first and last spindle center on each head 27 23/32" Number of motors for each head 1 Motor power 2 HP Motor rpm 3360 2800-3360 Horizontal Heads Number of horizontal heads 1 Number of spindles each head 23 Head excursion with digital counter 1 1/2" Distance between first and last spindle center 27 23/32" Number of motors for each head 1 Motor power 2 HP Motor rpm 3360 2800-3360