HEX HEAD BOLT M20 X 100 HIGH TENSILE AS PER IS: 1364 ( PART- 1 )/ 2002, CE- WITH PROPERTY CLASS- 10. 9 TO IS: 1367 ( PART- 3 )- 2002, COATING AS PER MDTS- 057. AND THE ITEM SHOULD BE PROCURED FROM TVS, UNBRAKO, TUFF, DFL and RDSO APPROVED SOURCES OF AXLE END HIGH TENSILE CAP SCREWS