#12 x 1 Elco Dril-Flex / Phillips / Flat Head / Steel / Stalgard / QTY 4000 compared with fasteners with standard

compared with fasteners with standard zinc plating

Internal threads eliminate the need and cost of couplings

High strength

Governing Standard: ISO 4762 dimensions

block and brick

#12 x 1 Elco Dril-Flex / Phillips / Flat Head / Steel / Stalgard / QTY 4000 compared with fasteners with standardDril 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,