Home / Standards / GB/T 152.5-2014 GB/T 152.5-2014 Active Fasteners―Countersinks for countersunk head wood screws 紧固件 沉头木螺钉用沉孔 Standard Type GBT ICS 21.060.10 CCS J13 Status 现行 Issue Date 2014-06-24 Implementation 2015-03-01 Responsible Dept 中国机械工业联合会 Drafting Unit N/A