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
- 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 aluminum18-8 stainless
- Compatible with pressure treated lumber
GENERAL APPLICATION & USES APPLICATIONS
- Steel-to-steel connections
- Aluminum-to-steel connections
- Aluminum-to-aluminum connections
- Wood-to-steel connections
APPROVALS
- International Code Council, Evaluation Service (ICC-ES), ESR-4367
- Code compliant with the International Building Code/International Residential Code: 2018 IBC/IRC, 2012 IBC/IRC, and 2009 IBC/IRC
- City of Los Angeles, Supplement for 2020 LABC/LARC (in ESR-4367)
- Tested in accordance with AISI S905 and ICC-ES AC500 for attaching Miscellaneous Building Materials to Steel
- City of Los Angeles, Research Report RR 25886