1/4-20 x 3 Elco Bi-Flex / Hex Washer Head / 18-8 Stainless / Stalgard / QTY 500 6X1 1/2 Phillips Recess Bugle

6X1 1/2 Phillips Recess Bugle Head Coarse Thread Drywall Screw Zinc Yellow

8X3 Phillips Modified Truss Head Fine Thread Drywall Screw Fully Threaded Zinc

Plastic sleeve provides guidance to align threaded rod with matching internal female threads

9X3 Phillips Bugle Head Coarse Thread Drywall Screw Black Phosphate Particle Board

a lower hardness heat treatment provides Grade 5 bolt mechanical properties

1/4-20 x 3 Elco Bi-Flex / Hex Washer Head / 18-8 Stainless / Stalgard / QTY 500 6X1 1/2 Phillips Recess BugleBi 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