... 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: 90mm Vertical Adjustment ... Net Weight: 480kg Gross Weight: 630kg Boring Machines Model Number:SR-680