8 x 2 1/4 Phillips Flat w/ Nibs Self Drilling Cement Board Screws w/ Wings Ruspert Coated - Carton (3000)

8 x 2 1/4 Phillips Flat w/ Nibs Self Drilling Cement Board Screws w/ Wings Ruspert Coated - Carton (3000) .

• Meets F.I.P.-1000.7 for torsional strength and drill speed
• Ceramic coating provides protection from corrosion
• Wings ream hole in board preventing "jacking action"
• Nibs under head clamp board firmly