Description
Note: In 2018, PH Tool stopped including the Ø2 (50mm) acrylic plug in this product. Plugs will be available upon special request only, and will add cost. This non-essential feature has long been considered optional per block specifications and is largely obsolete.
A modified version of the original IIW-Type 1 design.
Inch
Includes a 2.0 radius x 0.250 deep cut-out superposed on the 4.0 radius for distance calibration. Includes the normal 2.000" diameter and .060" diameter holes, and also includes numbers 3, 5 and 8 through holes (3/64", 5/64" AND 8/64" diameter) for sensitivity testing or surface wave inspection, and distance calibration marks to the 2.000" hole. In accordance with International Institute of Welding, ASTM E164 and U.S. Air Force NDI Manual T.O. 33B-1-1 specifications.
• NSN (National Stock Number) is 6635-00-415-9225
Metric
• Dimensions: 300mm x 100mm x 25mm
• Fitted wooden storage case...see below.