We are offering magnetism seat diamond tool, the machine is small, strong horsepower, efficient and precise. It is the first election of iron structure to drill a hole. model specification:jc-13biggest hole diameter(mm):13electro-magnet biggest suction (n):8500biggest go back corner ():300biggest radial displacement (mm):30biggest hole degree of depth(mm):140rated rotation(rmin):500rated input power (w):430rated voltage (v):220weight (kg):17.5 model specification:jc-19biggest hole diameter(mm):19electro-magnet biggest suction (n):12000biggest go back corner ():300biggest radial displacement (mm):30biggest hole degree of depth(mm):210rated rotation(rmin):330rated input power (w):740rated voltage (v):220weight (kg):27 model specification:jc-23biggest hole diameter(mm):23electro-magnet biggest suction (n):12000biggest go back corner ():300biggest radial displacement (mm):30biggest hole degree of depth(mm):210rated rotation(rmin):300rated input power (w):1000rated voltage (v):220weight (kg):28 model specification:jc-32biggest hole diameter(mm):32electro-magnet biggest suction (n):13000biggest hole degree of depth(mm):200rated rotation(rmin):150rated input power (w):1200rated voltage (v):380weight (kg):57 model specification:jc-38biggest hole diameter(mm):38electro-magnet biggest suction (n):13000biggest hole degree of depth(mm):200rated rotation(rmin):115rated input power (w):1200rated voltage (v):380weight (kg):63 model specification:jc-49biggest hole diameter(mm):49electro-magnet biggest suction (n):13500biggest hole degree of depth(mm):200rated rotation(rmin):110rated input power (w):1200rated voltage (v):380weight (kg):68.