... Clearance and Spindle Speed of 10,000/20,000rpm Model Number:SR-680 High-speed Router with 680mm Throat Clearance ... and Spindle Speed of 10,000/20,000rpmModel Number:SR-680Throat Clearance: 680mm Vertical Stroke of Spindle: ... ,000/20,000rpm Motor Power: 5/7.5hp Collets and Guide Pins: 6, 9, 12/1/4, 3/8, ... 80mm Net Weight: 480kg Gross Weight: 630kg Boring Machines Model Number:SR-680