#12 x 1 Elco Dril-Flex / Phillips / Flat Head / Steel / Stalgard / QTY 4000 Internal threads eliminate the need

Internal threads eliminate the need and cost of couplings

compared with fasteners with standard zinc plating

Governing Standard: ISO 4762 dimensions

10-14X6 Phillips Bugle Head Fine Thread Drywall Screw Black Phosphate

8X2 1/4 Phillips Bugle Head Coarse Thread Drywall Screw Black Phosphate Particle Board

#12 x 1 Elco Dril-Flex / Phillips / Flat Head / Steel / Stalgard / QTY 4000 Internal threads eliminate the needDril 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,