Bi-Flex 300 series stainless steel self-drilling screws feature bi-metal technology and Stalgard GB (Galvanic Barrier) coating to provide unmatched corrosion resistance and high performance in a wide range of demanding applications, including aluminum. It is virtually immune to delayed embrittlement failures.
18-8 stainless steel head and shank and hardened steel lead threads and drill point provide high strength, ductility and reliability
