supply of hex head bolt m16x170 high tensile for lhb coaches. mat. spec.:-rdso spec. rdso/cg/s/ 24005, rev-nil with latest revision and amendments. warranty as per clause no. 13.0 of rdso spec. rds o/cg/s/24005, rev-nil inspection as per clause no. 10.0 of rdso/cg/s/24005, rev-nil [ warranty perio d: 48 months after the date of delivery ] ] dbrt workshop depot, nfr