Hex Flange Nut

1. Standard: IFI, DIN, ISO, BS, AS and JIS. 2. Mechanical property: GR1, GR2, GR5, GR5.1, GR5.2, GR8, GR8.1, GR8.2,CL4.6, CL4.8, CL5.8, CL6.8, CL8.8, CL9.8, CL10.9, CL12.9. 3. Surface treatment: surface treatment、black oxide、black zinc plated、copper plated、dacromat plated、hot dipped galvanized、mechanical galvanized、nickel … Continued

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