... m6-30x20-250mm DIN931 hex bolts,nuts,washers,screwsgradestandardmaterialdiameterlengthsurfacepackagepaymentMOQ3.6(A)DIN(A)Carbon Steelm6-m3010mm-250mm(A) ... :DIN,BS, ANSI, ISO, GB3)size:m6-m30,1/4''-1''4)length:10mm-250mm, ... 1/2''--10''Detailed size descriptionA M6*16-50 M8*20-100 M10*20 ... Qualified Enterprises,Respect Contract and Credit Enterprise, a member of China National Machinery General Parts ...