This new Phased Array calibration block designed by PH Tool contains all of the required features on the ASME Sec V Art 4 Basic Calibration Block, yet spaces the holes out on a longer, narrower block. The block contains three holes at 3/32″ diameter drilled through the 1.500″ width, located at 1/4T, 1/2T, and 3/4T. It also contains two EDM notches at 2% deep x 0.010″ wide x 1.500″ long on opposite surfaces of one end
