Left Hand Thread Hexagon Full Hex Nuts Stainless Steel M4 M5 M6 M8 M10 M12 M16
Hexagon Full Hex Nuts Left Hand Thread A2 Stainless Steel DIN 934. Specs (mm) M4 M5 M6 M8. These nuts have threads that tighten counterclockwise, as opposed to the more common right-hand threads that tighten clockwise.