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hexagon flange bolt
2)standard:DIN 6921, ASTM FLANGE BOLT,IFI C-28. BSW FLANGE BOLT
3)size:m6-m30 ,length:15mm-300mm4)class: 4.8,8.8,10.85)surface:plain, black,H.D.G,ZINC,DACROMET6)material: stainless steel ,alloy steel,carbon steel7)package:bulk packing,small boxes,pocket.
hexagon flange bolt