Power-Con concrete screws with an Enviro coat blue finish diamond tip and hi-lo thread. They are rated at 1,000 salt spray hours and designed for quick, safe, secure fastening for a variety of jobs in concrete, brick and cinder block/masonry. They provide self-threading action and maximum holding power for fastening junction boxes, wall partitions, insulation, frames, gutters, fixtures, expansion joints, stud tracks, duct straps and signs.
