Tenders for Supply of Hex. Head Bolt, Steel, M20 X 75 - 8.8 To Is:1364 Part 1:2018, Iso 4014:2011 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, Incor Porating 01 Amendment Warranty Period: 30 Months After The Date Of Delivery Warranty Period: 30 Months After The Date Of Delivery