Tenders for Supply of H.T. Hex Head Bolt Size M24x110x55 For Three Phase Locomotives With Steel Zinc Plated. Grade 10 .9 Generally Conforming To Is: 1364, Iso 4014/4017, Threads: Iso Metric 6G As Latest Per Is: 4218, Property Cla Ss 10.9 With One Nylon Nut Duly White Zinc Plated, M24, Din: 980V, Iso: 7042, Grade: 10. Material To Be Procur Ed From Clw Source Only. Warranty Period: 30 Months After The Date Of Delivery