Calibration block in carbon steel thickness 3/4" with 3 side-drilled holes at 1,5" deep minimum at 3/32" diameter. Hole locations through the thickness are ¼, ½, and ¾T. Also contains two EDM notches measuring 2%T deep x 1/4" max wide x 1.0" long min. In accordance with ASME Sec V Art. 4 Fig. T-434.2.1.

Calibration block in carbon steel thickness 1,5" with 3 side-drilled holes at 1.5" deep minimum at 1/8" diameter. Hole locations through the thickness are ¼, ½, and ¾T. Also contains two EDM notches measuring 2%T deep x 1/4" max wide x 1.0" long min. In accordance with ASME Sec V Art. 4 Fig. T-434.2.1.

Calibration block in carbon steel thickness 3" with 3 side-drilled holes. Hole locations through the thickness are ¼, ½, and ¾T. Also contains two EDM notches measuring 2%T deep x 1/4" max wide x 1.0" long min. In accordance with ASME Sec V Art. 4 Fig. T-434.2.1.

Calibration block in stainless steel thickness 3/4" with 3 side-drilled holes at 1,5" deep minimum at 3/32" diameter. Hole locations through the thickness are ¼, ½, and ¾T. Also contains two EDM notches measuring 2%T deep x 1/4" max wide x 1.0" long min. In accordance with ASME Sec V Art. 4 Fig. T-434.2.1.

Calibration block in stainless steel thickness 1,5" with 3 side-drilled holes at 1.5" deep minimum at 1/8" diameter. Hole locations through the thickness are ¼, ½, and ¾T. Also contains two EDM notches measuring 2%T deep x 1/4" max wide x 1.0" long min. In accordance with ASME Sec V Art. 4 Fig. T-434.2.1.

Calibration block in stainless steel thickness 1,5" with 3 side-drilled holes. Hole locations through the thickness are ¼, ½, and ¾T. Also contains two EDM notches measuring 2%T deep x 1/4" max wide x 1.0" long min. In accordance with ASME Sec V Art. 4 Fig. T-434.2.1.