... , ISO 15481, ISO 15482, ISO 15483,Pan Framing Head Self Drilling Screws;DIN7504K,SAE J78,ISO 15480, ISO 15481, ISO 15482 ... 15483,Pan Head Self Drilling and Tapping Roofing Screws;DIN7504K,SAE J78,ISO 15480, ISO 15481, ISO 15482, ISO 15483,Countersunk Head Self ... drilling and Tapping Roofing Screws;DIN7504K,SAE J78,ISO 15480, ISO 15481, ISO ...