Tenders for Supply of Shaft For Impeller Of Ventilation System-3 To Rwf Drawing No.701900110080 Pin For Thimble Of Auxiliary Hoist As Per Rwf Drg No.701014412640. Note:Mat Erial & Hardness Test Certificate Should Accompany The Supply. Coupling Bolt And Nuts For Sfes To Rwf Drawing No.701900310680. Note: The Supply Must Accompany Two Numbers Nut To Size: M12 And Two Numbers Flat Washer Along With Each Bolt.