... , ISO 15482, ISO 15483,Painted Head Self Drilling and Tapping Roofing Screws;DIN7504K,SAE J78,ISO ... , ISO 15482, ISO 15483,Painted Head Self Drilling and Tapping Roofing Screws;DIN7504K,SAE J78,ISO ... ISO 15482, ISO 15483,Modified Truss Head Self Drilling and Tapping Roofing Screws;DIN7504K,SAE J78,ISO ... , ISO 15482, ISO 15483,Countersunk Head Self drilling and Tapping Roofing Screws;DIN7504K,SAE J78,ISO ...