... : DIN912, DIN933, DIN84, DIN85, DIN963, DIN7991, DIN6912, DIN931, ISO7380,etc.3.Inspection:For precision measuring we would recommend the use of ... Composion And Physical Properties5.Products TypesHead Type:Round,Pan,Hex,Flat,Button,Truss,Oval,Binding,Chese,Fillister,etc.Drive type:Slotted,Hex ...