腾树检测合作实验室具备 CMA/CNAS 双重资质,可依据 ISO898-5:2012 提供全项检测服务
腾树检测可依据 ISO898-5:2012《紧固件机械性能螺栓与螺钉的扭矩试验和破坏扭矩公称直径1~10mmMechanical properties of fasteners made of carbon steel and alloy steel -- Part 5: Set screws and similar threaded fasteners with specified hardness classes -- Coarse thread and fine pitch thread》提供专业的第三方检测服务: