Bi-Flex structural screws are bi-metal self-drilling tapping screws that provide the corrosion resistance of 300 series stainless steel and the efficiency of drill screws. Bi-Flex screws are suitable for use in both steel and aluminum.
Features & Specs
- High strength, ductility and reliabliity
- Immune to hydrogen assisted stress corrosion cracking (HASCC)
- Higher corrosion resistance compared with carbon steel and 410 series stainless steel fasteners
- Stalgard GB coating creates greater galvanic compatibility in dissimilar metal applications, including connections involving aluminum
- 18-8 stainless compatible with pressure treated lumber
General Application & Uses
- Steel-to-steel connections
- Aluminum-to-steel connections
- Aluminum-to-aluminum connections
- Wood-to-steel connections
Approvals & Listings
- International Code Council, Evaluation Service (ICC-ES), ESR-4367
- International Code Council, Evaluation Service (ICC-ES), ESR-4374
- Code compliant with the International Building Code/International Residential Code:2021 IBC/IRC, 2018 IBC/IRC, 2015 IBC/IRC and 2012 IBC/IRC
- 2020 Los Angeles Building Code (LABC) and Los AngelesResidential Code (LARC) ICC-ES Report Supplement
- 2020 Florida Building Code (FBC) ICC-ES Report Supplement
- Tested in accordance with AISI S905 and ICC-ES AC500 for attaching Miscellaneous Building Materials to Steel
- Tested in accordance with ICC-ES AC491 for use in Aluminum
