DIN 7976 1)Material:Steel/Stainless Steel/Brass 2)Diameter:(mm)2.2,2.9,3.5,3.9,4.2,4.8,5.5,6.3 (inch)No.2/4/6/7/8/10/12/14 DIN 79761)Material:Steel/Stainless Steel/Brass2)Diameter:(mm)2.2,2.9,3.5,3.9,4.2,4.8,5.5,6.3 (inch)No.2/4/6/7/8/10/12/14 hexagon head tapping screws