Home / Standards / GB/T 43655-2024 GB/T 43655-2024 Active Self-tapping screw connections—Specification of the pilot hole diameter and tightening torque 自攻螺钉连接 底孔直径和拧紧扭矩技术条件 Standard Type GBT ICS 21.060.10 CCS J 13 Status 现行 Issue Date 2024-03-15 Implementation 2024-10-01 Responsible Dept 中国机械工业联合会 Drafting Unit N/A