Grade AS/NZS 1252 Grade 8.8 Large Hex Head Bolt for Steel Structure (Australian Standard)We are special Manufacturer is specialized in High strength steel structural bolts more than 10years, such as AS1252,A325, DIN6914 and so on.1. Standard No: AS1252,ASTM A325 bolt, A490 bolt, DIN6914 bolt, AS1252......