Clamp with inclined screw

A PIPE HOLDING DEVICE INCLUDES A HOLDING BODY (16) SUPPORTING A SCREW (38). A CLAMP IS MOUNTED AT ONE END OF THE SCREW AND A DRIVING DEVICE (58) IS USED TO PUSH THE SCREW FORWARD WITH RESPECT TO THE BODY OF THE CLAMPING DEVICE (16) TO HOLD A WORKPIECE WITH RESPECT TO A HITCH OF THE WORKPIECE. THE CLAMPING DEVICE BODY (16) CAN MOVE ALONG THE LENGTH OF THE TUBE (12), AND THE SCREW (38) IS INCLINED WITH RESPECT TO THE TUBE TO INCREASE THE HOLE FOR THE DRIVING DEVICE (58).