4-20 X 3/8 Thread Forming Screws / Torx / Pan Head / 410 Stainless / Plain / Plastite (Blunt Tip) Alternate 48-2 Tap-Flex® Thread-Forming Structural Screws are

Tap-Flex® Thread-Forming Structural Screws are thread-forming

These tools are complete kits designed to install concrete screws of 1/4 and 3/16 diameter

E-Form® thread profile overcomes friction build-up and reduces drive torque

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

DeWALT SKU-DFM4EUH310-The UltraCon SS4 anchor is a 410 stainless steel screw anchor for light to medium duty applications in concrete and masonry block base materials

4-20 X 3/8 Thread Forming Screws / Torx / Pan Head / 410 Stainless / Plain / Plastite (Blunt Tip) Alternate 48-2 Tap-Flex® Thread-Forming Structural Screws are