#12 x 1 Elco Bi-Flex / Phillips / Pancake Head / 18-8 Stainless / Stalgard / QTY 4000 8X9/16 Phillips Modified Truss Head

8X9/16 Phillips Modified Truss Head Fine Thread Drywall Screw Fully Threaded Zinc

7X1 1/2 Phillips Bugle Head Fine Thread Drywall Screw Black Phosphate

Fasteners accept standard nuts and washers (if desired and/or required)

Tested in accordance with AISI S905 and ICC-ES AC500 for attaching Miscellaneous Building Materials to Steel

#12 x 1 Elco Bi-Flex / Phillips / Pancake Head / 18-8 Stainless / Stalgard / QTY 4000 8X9/16 Phillips Modified Truss 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