1/4-20 x 4 Elco Bi-Flex / Hex Washer Head / 18-8 Stainless / Stalgard / QTY 500 Steel-to-steel connections

Steel-to-steel connections

Serrations on underside of hex washer head lock against the fixture

The Steel Deck Inserts installed height of just 2 inches can be used through or between the ribs of the deck

8X1 3/4 Phillips Bugle Head Coarse Thread Drywall Screw Black Phosphate Particle Board

8-18X1 5/8 Phillips Bugle Head Full Thread Self Drilling Drywall Screw Zinc and Bake

1/4-20 x 4 Elco Bi-Flex / Hex Washer Head / 18-8 Stainless / Stalgard / QTY 500 Steel-to-steel connectionsBi 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