Name:non-standard nuts Materials: iron, carbon steel, stainless steel Finish: plain, black, zinc-plated Description:non-standard nutsMaterials: 304/302 stainless steel and carbon steel Finish: black, zinc coated and hot-dip galvanizedStandards: DIN, G.B, ASME, SAE and JISSize range: M4 to M36Grade: 4, 6, 8 and 10 non-standard nuts