supply of spares for cmdm-1000 series and dm-450 supply of spares on urgent basis for rig no. cmdm-1000 series and dm-450 mud pumps at cmpdi ri-i, asansol (w.b) on for destination basis , racks for hydraulic chuck assembly , jaws for hydraulic chuck assembly , screw pinions for hydraulic chuck assembly , jaws for manual chuck assembly , screw bush for manual chuck assembly , cluster gear , sliding gear , input shaft , sliding shaft , quill bush , quill bush bearing , bevel gear , bevel pinion , feed control valve , hydraulic motor , needle bearing , cluster gear shaft pin , thrust washer , triplex sprocket , jack shaft chain drive , sprocket big drive , cross head with pin , liners 75mm , liners 105mm with o ring , piston rods , bucket carrier , bush big end eccentric , bush small end eccentric , valve wings and valve seats