1/4-20 x 1-1/2 Elco Dril-Flex / Hex Washer Head / Steel / Stalgard / QTY 2000 including connections involving aluminum

including connections involving aluminum

Brand part # DFM12724

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

Positions all inserts on the project at the same elevation to eliminate multiple all thread rod lengths and improve the accuracy of offsite prefabrication

1/4-20 x 1-1/2 Elco Dril-Flex / Hex Washer Head / Steel / Stalgard / QTY 2000 including connections involving aluminumDril Flex Structural Screws are dual heat treated self drilling tapping screws that provide the strength, ductility and resistance to embrittlement required for critical applications. Features & Specs High hardness point and lead threads for drilling and tapping Stalgard and Stalgard SUB Coatings provide improved corrosion resistance as well as enhanced galvanic compatibility in dissimilar metal applications, including those involving aluminum,