ONORM EN 2897-1996
航空航天系列.镀镉合金钢短螺纹带翼型十字槽平头螺钉.分类 1000MPa(室温)/235 °C
Aerospace series-Screws,pan head,offset cruciform recess,close tolerance normal shank,short thread,in alloy steel,cadmium plated-Classification-1100MPa (at ambient temperature)/235 degree