... of fInish,z.p.,y.z Double countersunk head chipboard screws: sizesM5 and upfeatureslow carton,high tensile,stailessstandardDIN,ANSI ... ,ETC.stype self-drilling screws, self tapping screws, chipboard screws,machine screws,wood screws, drywall screws etc.finish ... 10.9,12.9widely using forindustris,constructions,electrical,powerspackingsmall boxes,cartons or gunny bags.then on palletsCertificationTUV ISO ...