... Throat Clearance and Spindle Speed of 10,000/20,000rpm Model Number:SR-680 High-speed Router with 680mm Throat Clearance ... /7.5hp Collets and Guide Pins: 6, 9, 12/1/4, 3/8, 1/2mm/inch Overall Dimensions: 1,260 x 900 ... 2,80mm Net Weight: 480kg Gross Weight: 630kg Boring Machines Model Number:SR-680