1/4-20 x 4 Elco Bi-Flex / Hex Washer Head / 18-8 Stainless / Stalgard / QTY 500 ductility and resistance to embrittlement

ductility and resistance to embrittlement required for critical applications

Stalgard GB coating creates greater galvanic compatibility in dissimilar metal applications

Closed bottom versions (the cone is sealed to prevent dirt from getting in) are available also in selected sizes

Brand part # DFM12730

1/4-20 x 4 Elco Bi-Flex / Hex Washer Head / 18-8 Stainless / Stalgard / QTY 500 ductility and resistance to embrittlementBi 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 reliability Higher corrosion resistance compared with carbon steel and 410 series stainless steel fasteners 18 8 stainless compatible with pressure treated lumber Immune to