Hex. Head Bolt M24 X 200 To Is:1364(Pt.-1)/2023, Is:1367(Pt.-3)/2017, Ce , Property Clas S - 10.9, Coating As Per Rcf Specification - Mdts-057 . Grade & Make Should Be Clearly Embossed At Suitable Location Of Material (On Head Of Bolt) For Easy Traceability & Verification.