... ,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) Low-carbon and ... (qingdao Office):NO.2,Tariff-freeZone,Qingdao,Shandong,China. hex bolts and nuts m 20