... : M5-M64,1/4"-4" 3. Specification: Din, IFI, JIS...Fasteners,nuts,bolts,nuts and bolts Features: 1) From M3 to ... M30 2) Low-carbon and mid-carbon steel Packing: Carton,Fasteners,nuts,bolts,nuts and boltsFeatures: 1) From M3 to M302 ... :+8618254275687Address (qingdao Office):NO.2,Tariff-freeZone,Qingdao,Shandong,China. hex bolts and nuts m 12