Hex. Head Bolt ,Steel, M20 X 75 - 8.8 To Is:1364 ( Part 1):2023, Iso 4014:2022 With Hex Nut M20 - 8 To Is:1364 (Part 3):2018, Iso 4032:2012 , And Spring Lock Washer B20 To Is 3063:1994 (Reaffirmed 2021,Incorporating 01 Amendment). Note :-The Coating/Surface Finish Of The Material May Be Advised As Per The Following:-Zinc Electroplated As Per Is 1367:Part 11: 2024- Zn 8/C.The Procurement Of The Item Is Restricted To Isi Marked Product Only. [ Warranty Period: 30 Months After The Date Of Deliver