10-24 x 1-1/4 Elco Dril-Flex / Phillips / Wafer Head / Steel / Stalgard / QTY 5000 Governing Standard: Steel per ASTM

Governing Standard: Steel per ASTM A574M

8-15X3 Square Drive Trim Head Drywall Screw Fine Thread Black Phosphate

Window and door frames

The parts take multiple sizes of threaded rod

10-24 x 1-1/4 Elco Dril-Flex / Phillips / Wafer Head / Steel / Stalgard / QTY 5000 Governing Standard: Steel per ASTMDril 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,