Tender For supply of anti-slip iv coupler safety chain assembly (ss) for lhb coaches as per enclosed drawing. material should be of stainl ess-steel grade and to be supplied with ss bolt m10*30 mm - 1 no, ss bolt m10*50 mm - 2 no?s along with nylock nut - 3 no?s, sp ring washer - 3 no?s, plain washer -4 no?s and plain washer with od 40 mm - 2 no?s [ warranty period: 30 months after the dat e of delivery ]