Home / Standards / GBT 41027-2021 GBT 41027-2021 MJ thread aluminum alloy self-locking insert with small flange for blind hole in aerospace 航空用MJ螺纹铝合金带小凸缘盲孔自锁镶嵌件 Standard Type GBT ICS N/A CCS N/A Status N/A Issue Date N/A Implementation N/A Responsible Dept N/A Drafting Unit N/A