Engraving cutter grinder( GD-20) Type GD-20 cutter sharpener is applicable to grind milling cutter of all kinds of diameter, shapers and angles for die sinker, also to die pin corresponding to the miller according to die sinker scale, it has ability of grinding turning tool, drill. So it is an necessary equipment in using die sinker with excellent figuration, new structure and good application. Specifications Cup wheel diameter-thickness-bore 4" x 2" x 3/ 4" Spindle speed 5200 rpm Collet capacity 1/ 8" to 5/ 8" Longitudinal traverse of index head carrier 5-1/ 2" Fine longitudinal adjustment travel of index head carrier 3/ 4" Taper angle 0 to 180 degrees Negative taper angle 0 to 52 degrees Relief angle 0 to 44 degrees Motor 1/ 4hp, 3400 rpm Power 220V/ 110V, single phase Net weight 60kg Overall dimensions 48x39x36.5 cm/ 18" x 14" x 14" Collets 1/ 8" . 3/ 16" , 1/ 4" , 5/ 16" , 3/ 8" 1/ 2" , 5/ 8" Stone wheel 4" x 2" x 3/ 4" Optional diamond wheel 4" x 2" x 5/ 8"