Home / Standards / GBT 3098.5-2016 GBT 3098.5-2016 Mechanical properties of fasteners — Self-tapping screws 紧固件机械性能 自攻螺钉 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