Crete-Flex? concrete screws from Elco Construction Products deliver corrosion resistance, installation consistency and reliable performance.
These 410 stainless steel receive a special heat treatment and silver Stalgard? finish to provide enhanced corrosion resistance and ductility. A heavy-duty, v-notched thread with larger cross-sectional area provides increased shear values.
Use of a properly-sized drill bit is essential for proper installation:#14 screws require a 7/32" diameter bit; 3/16" screws require a 5/32" diameter bit.