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These tools are complete kits designed to install concrete screws of 1/4 and 3/16 diameter
High-hardness point and lead threads for drilling and tapping
8-18X3/4 Phillips Bugle Head Full Thread Self Drilling Drywall Screw Zinc and Bake
6-18X2 1/4 Phillips Bugle Head Fine Thread Drywall Screw Black Phosphate
10-24 x 1-1/4 Elco Dril-Flex / Phillips / Wafer Head / Steel / Stalgard / QTY 5000 These tools are complete kitsDril 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,
