#14 x 1 Elco Bi-Flex / Hex Washer Head / 18-8 Stainless / Stalgard / QTY 2500 9X1 1/4 Phillips Bugle Head

9X1 1/4 Phillips Bugle Head Coarse Thread Drywall Screw Black Phosphate Particle Board

Closed bottom versions (the cone is sealed to prevent dirt from getting in) are available also in selected sizes

Plastic ring creates countersunk recess to keep threads clean from pour residue

Extended length makes insert easy to locate even with fireproofing on deck underside

Suspended conduit

#14 x 1 Elco Bi-Flex / Hex Washer Head / 18-8 Stainless / Stalgard / QTY 2500 9X1 1/4 Phillips Bugle HeadBi 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