ISO 7411:1984 | GB /T 18230.1-2000 | Hexagon bolts for high-strength structural bolting with large width across flats(thread lengths according to GB/T 3106)-Product grade C-Property classes 8.8 and 10.9
上一篇: 腰状杆螺柱连接副螺母、受力套管
下一篇: 栓接结构用大六角头螺栓 短螺纹长度 C级 8.8和 10.9级
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