
HEXAGON HEAD BOLTS - PRODUCT GRADE B - REDUCED SHANK (SHANK DIAMETER = PITCH DIAMETER)
出版:Comite Europeen de Normalisation

專家解讀視頻
HEXAGON HEAD BOLTS - PRODUCT GRADE B - REDUCED SHANK (SHANK DIAMETER = PITCH DIAMETER)
出版:Comite Europeen de Normalisation
專家解讀視頻