EN 4162 : 2016 COR 2017现行
AEROSPACE SERIES - SCREWS 100 DEGREES COUNTERSUNK NORMAL HEAD, OFFSET CRUCIFORM RECESS, COARSE TOLERANCE NORMAL SHANK, MEDIUM LENGTH THREAD, IN ALLOY STEEL, CADMIUM PLATED - CLASSIFICATION: 1100 MPA (AT AMBIENT TEMPERATURE)/235 DEGREES C
出版：Comite Europeen de Normalisation
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