4-20 X 3/4 Thread Forming Screws / Phillips / Pan Head / Steel / Black Zinc / Plastite (Blunt Tip) Alternate 48-2 Bi-Flex structural screws are bi-metal

Bi-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

Fasteners coated with Stalgard® SUB typically show no red rust or other base metal corrosion on significant surfaces after 2000 hours of salt spray exposure in accordance with ASTM B117

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

8X1 1/2 Phillips Modified Truss Head Fine Thread Drywall Screw Fully Threaded Zinc

8-15X2 1/4 Square Drive Trim Head Drywall Screw Fine Thread Black Phosphate

4-20 X 3/4 Thread Forming Screws / Phillips / Pan Head / Steel / Black Zinc / Plastite (Blunt Tip) Alternate 48-2 Bi-Flex structural screws are bi-metal