These liquid penetrant test props usually contain at least (4) micro-holes 0.004" to 0.005" in diameter by 0.008" to 0.010" deep. Holes can be machined in welded plate, pipe, bolts, bevel canopies, c-canopies, socket welds, or any test prop. EDM Notches are also available.
In accordance with U.S. Navy's NSTR-99 (Qualification Examination Requirements for Nondestructive Test Personnel).
These special purpose standards can be made from a wide array of parts. PH Tool can supply the parts, or they can be customer or government supplied. Please contact us for more information or to request a quote.