Power Pro Metal Screws, Self-Drilling, Hex Head, 1/4-14 x 2.5-In., 22-Ct. Wall Mount Fans Polypropylene Top

Polypropylene Top

It is a unique elastomer-modified asphalt base emulsion produced by incorporating the rubber polymer into the asphalt using extreme pressures and temperatures

This kit is used for clothes dryer exhaust venting applications that require moist air and humidity from exiting the home

Optimal 40 serrations per inch

Power Pro Metal Screws, Self-Drilling, Hex Head, 1/4-14 x 2.5-In., 22-Ct. Wall Mount Fans Polypropylene TopPowerpro, 22 count, 1 4 14 x 2. 5", hex washer head self drilling metal screw, star drive & pro stick bit prevent cam out & increase stability while driving, self drilling tip means no pre drilling, quickly penetrates metal up to 1 8", 11 gauge.