An automatic levelling self-bedding anchor having a high capacity for levelling and an improved capacity for positioning and bedding, which comprises: 1. an elongated shank (5); 2. a cam plate (6) with pivot (7), connected to the shank at or near to one end of the shank; 3. a gusset plate (4) connected to the shank through the cam plate pivot; 4. a fluke limit means (3) connected to the gusset plate adapted to retain the fluke pivot shaft, whereby the limit means retaining the pivot shaft controls the travel of the flukes to one side or the other side of the shank; 5. two flukes (1, 1A) connected to the pivot shaft, one on each side of the shank, the point of each fluke being located relatively far from the shank and approximately in line with the respective end of the pivot shaft; and 6. cam means (6) connected to the shank and adapted to interact with a cam surface or cam surfaces (8) on one or both flukes, wherein the flukes may be retained in a desired bedding position.