supply of hex head bolt m16x170 -10.9 (ht) and m16x90-10.9 (ht) , hex.head bolt m16x90-10.9 (ht) for lhb/fiat bogie as per specn.no.is:1364 (pt.1)/ 2018, is 1367(pt.3)/2017, ce coating as per rcf/mdts %u2013 057 and the item should be procured from rdso approved sources of axle end high tensile cap screws in the current rdso vendor directory. as per drg.no. rcf/mdts-057 specn: is 1364 (pt.1)/2002 (fourth rev ) [ warranty period: 48 months after the date of delivery ] ] , hex head bolt m16x170 -10.9 (ht) as per specn no.is:1364(pt.1)/2023, is:1367(pt.3)/2017, ce coating as per rcf/mdts-057. item should be procured from rdso approved sources of axle end high tensile cap screws. [ warra nty period: 48 months after the date of delivery ] ]