Home / Standards / GB/T 25378-2010 GB/T 25378-2010 Active Collets with 8°setting angle for tool shanks - Collets,nuts and fitting dimensions 工具柄用8°安装锥的弹簧夹头 弹簧夹头、螺母和配合尺寸 Standard Type GBT ICS 25.060.20 CCS J52 Status 现行 Issue Date 2010-11-10 Implementation 2011-03-01 Responsible Dept 中国机械工业联合会 Drafting Unit N/A