Self Locking Fine Thread Hex Nut - 10x1.0mm - commonly used on tie rods and steering components. Left over from my BMW parts days. Nylock with silver zinc plating. DIN Grade 10 (US grade 8). BMW Part# for this item is 07129922436.
All of my hardware is European (no Chinese made fasteners). Sourced from Zelenda years ago. Selling off most of my personal stock.