UNI EN 4132:2010 航空航天系列 螺栓 標準六角頭 粗公差標準桿 長螺紋 合金鋼 鍍鎘 等級:1 100 MPa(環境溫度)/ 235°C
Aerospace series - Bolts, normal hexagonal head, coarse tolerance normal shank, long thread, in alloy steel, cadmium plated - Classification: 1 100 MPa (at ambient temperature) / 235 °C