Shridhar machine tools manufactures pantograph milling machine, model sew-21. It is a 1:1 two dimensional pantograph milling machine. It is a precision machine designed for accurate engraving to reproduce the master on 1:1 scale or 1:50 reduction. It features a dispensable tool for letter engraving on brass, aluminium, steel, wood, hard rubber, glass, jewellery and silver ware, with work table clamping area 540 x 210 mm, copy table area 550 x 330 mm, with 360° swiveling and spindle speed ranging from 1900 to 15000 rpm [max]. The collet capacity is 6 mm.