Tenders for Supply of Sprocket Item No.3 For Cdlr Conveyor Jack Shaft Outer To Rwf Drg.No.7 22065810350. Sprocket 1 3/4, 17 Teeth Duplex B Type For 140-2Asa Chain, Bore Size 107H7 Ke Y Way Size Std, Is2048 Two Tapped Holes Size M12 One On The Key Way Another 90 Deg. Te Eth Flame Hardered To 40-45 Hrc, Materiels En8 Or Cast Steel.