751 / supply of ci / gun metal casting items supply of ci and gun metal casting items for sugar mill , ci idler & pulley duly rough machining as per drawing without blow holes ( on conversion basis ) , ci solid & hollow bush gulla duly rough machined without blow holes differend sizes ( on conversion basis ) , gun metal hollow & solid bush 85:5:5:5 compositing duly machined free from blow holes differend sizes ( on conversion basis ) , gun metal mill bearing liner for mill size 33” x 66” as per drawing without blow holes and final machining ( on conversion basis ) , ci dumping grate bar for boiler ( on conversion basis ) , gun metal solid bearing for 33” x 66” mill roller as per drawing with final machining & hyd. tested ( on conversion basis ) , ci boiler furnace door side / top plate ( on conv. basis ) , ci v groove pully all size ( on conversion basis ) , new worm and worm wheel for vacuum filter size 14 x 16 material cast iron size of wheel approx id 600mm od 970mm no. of teeth 78 thickness 140mm pitch 30 mm module 12 size if worm approx id 55mm od 156mm no of teeth 07