Home » Tender for Supply Of Hex Head Bolts Made Of Steel, Specifically M16 Size With A 1.5 Pitch, 50 Mm Length, And 38 Mm Thread, Conforming To Property Class 8.8 And Zinc Plated For Use In Wag-9/wap-7 Locomotives. Hex Head Bolt M16 X 1.5 Pitch X 50 Long X 38 Thread Steel, India