Basic Info Model NO.: DIN 934 Type: Hexagon Head With Flange Head Style: Hexagonal Grade: 8.8;12.9 Finish of Flange Nut: Zinc Plated Place of Origin: Shanghai, China(Mainland) Technique: Cold Heading and Hot Heading Specification: SGS, ROSH HS Code: 731815 Material: Carbon Steel Connection: Common Bolt Standard: DIN, ANSI, GB, JIS, BSW Size of Flange Nut: M6-M48 Grade of Flange Nut: 8.8, 10.9, 12.9 Certificate: ISO9001:2008 , Ts16949 Origin: Shanghai Product Description High Tensile DIN912 Socket Cap ScrewDIN 934 Carbon Steel Hex Flange Nut1.Product Parameters  Standard: ASME B 18.2.1, IFI149,DIN931, DIN933, DIN558, DIN960, DIN961, DIN558, ISO4014 and etc. Size: standard