The Building Code


Using bolts in buildings and structures is covered by Clause B1 Structure, Clause B2 Durability and Clause F2 Hazardous Building Materials. The manufacture and supply of high-strength steel bolts with associated nuts and washers for structural engineering are specified by the Australian/New Zealand joint Standard AS/NZS 1252. Building Code Verification Method B1/VM1 references NZS 3404 Steel Structures Standard, which in turn references AS/NZS 1252.

This information is published by the Ministry of Business, Innovation and Employment’s Chief Executive. It is a general guide only and, if used, does not relieve any person of the obligation to consider any matter to which the information relates according to the circumstances of the particular case. Expert advice may be required in specific circumstances. Where this information relates to assisting people: