... ,ISO15482,ISO15483,Painted Head Self Drilling and Tapping Roofing ScrewsDIN7504K,SAE J78,ISO15480,ISO15481,ISO15482,ISO15483,Pan ... ,ISO15483,Hex Washer flange Self Drilling and Tapping Roofing ScrewsDIN7504K,SAE J78,ISO15480,ISO15481,ISO15482,ISO15483,Countersunk ... ,ISO15482,ISO15483,Nylon Head Self Drilling and Tapping Roofing ScrewsDIN7504K,SAE J78,ISO15480.ISO15481,ISO15482,ISO15483,Concrete ...