#8 Phillips Wafer Head Cement Board Self Drilling Screw #2 pt. Exterior Coating
#8 Phillips Wafer Head Cement Board Self Drilling Screw #2 pt. Exterior Coating
# 8 x 1 1/4, used for application of tile backer or cement board as an underlayment going into steel. A fastener that drills and taps its own hole during application.