
Tolerances for fasteners. Specification for tolerances of bolts, screws and nuts with thread diameters >= 1.6 mm and <= 150 mm and product grades A, B and C
出版:British Standards Institution

专家解读视频
Tolerances for fasteners. Specification for tolerances of bolts, screws and nuts with thread diameters >= 1.6 mm and <= 150 mm and product grades A, B and C
出版:British Standards Institution
专家解读视频