... , phosphate 3.Screw style:SEMS SCREW 4. ISO9001:ISO14 Features:Stainless steel wing screws with plastic head A. Screw Prosduct detail 1)MaterialCarbon ... plating,dacromet and etc.3)Normal sizeM2-M244)Normal Length10mm to 120 mm5)StandardDIN7985, DIN965, DIN84,JIS, ISO ,BS,ANSI... ... have the responsible QC, Engineers and after sale worker to deal with such things.In case this thing happened, we will ...