Hex Head Screw Of Size M12 X 70, 8.8 P.C As Per Clw Specn. No. Clw/Ms/3/080 Alt-6 Or Lates T And As Per Item No.42 Of Clw Drg.No.1209-01.111-004 Alr.4 Or Latest. Material Shall Be Procured From Cl W Approved Sources Or Their Authorized Dealers Only Of Standard Hardware For 3 Phase Locos. ]