1. Product Name: Self Drilling Screws2. Standard: DIN 7504K, DIN 7504N, DIN7504P3. Head Type: Pan head, Countersunk Head, Hexagonal head 4. Drive Type: Phillips, Hexagonal 5. Material: Steel Zinc; Stainless Steel 410, 304, 3166. Thread Size: st 2.9 -- st. 6.37. Length: 5mm to 100mm