Threaded anchor for ice climbing

An anchor for ice climbing, comprising:

• —a screw with a cylindrical tubular body and having, at its leading end, ice cutting and penetrating teeth, and at its external surface at least one threaded leading section, and at its rear end a stop perimeter projection, characterised in that it comprises:
• a clamp arranged externally with respect to the screw and comprising an actuating part movable between:
• a locking position in which the clamp is tightened and fixed, without possibility of rotation or movement, at any point along the screw;
• and an unlocking position allowing for the clamp rotation with respect to the screw and the clamp positioning at any point along said screw;
• a folded strap, attached by a first end to the clamp and having at its second end a closed loop for fitting a carabiner suited for the hitching of the climbing rope in a position of use of the anchor, or for the hitching of the anchor to a climber's harness in an inoperative position.