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Stairs and Risers
Allows for threaded rod size changes after inserts are installed
8-18X1 1/4 Phillips Bugle Head Full Thread Self Drilling Drywall Screw Zinc and Bake
punch hole through metal deck – insert blue banger hanger
8-15X1 5/8 Phillips Bugle Head Fine Thread Drywall Screw Black Phosphate
#12 x 1-1/2 Elco Bi-Flex / Hex Washer Head / 18-8 Stainless / Stalgard / QTY 2500 Stairs and RisersBi 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. Bi Flex screws are suitable for use in both steel and aluminum. Features & Specs High strength, ductility and reliability Higher corrosion resistance compared with carbon steel and 410 series stainless steel fasteners 18 8 stainless compatible with pressure treated lumber Immune to
