1 GB T 3098.20-2004 紧固件机械性能 蝶形螺母 保证扭矩.pdf
2 GB T 62.4-2004 蝶形螺母 压铸.pdf
3 GB T 62.2-2004 蝶形螺母 方翼.pdf
4 GB T 62.1-2004 蝶形螺母 圆翼.pdf
5 HB 7366-2013(2017) - GH2132MJ螺纹单耳托板自锁螺母.pdf
6 HB 8056-2013(2017) - 16CRSiNiMJ螺纹单耳双孔托板自锁螺母.pdf
7 HB 8323-2013(2017) - 发动机导管74°连接用外套螺母.pdf
8 HB 8369-2013(2017) - 铝合金轻型抗剪型MJ螺纹高锁螺母.pdf
9 HB 8370-2013(2017) - 铝合金轻型抗剪型密封MJ螺纹高锁螺母.pdf
10 HB 8372-2013(2017) - 铝合金轻型抗剪型球面MJ螺纹高锁螺母.pdf