Precision Rigid construction and constant gage pressure guarantee consistent and precise readings
Qualitative Readings The Tri-Roll not only indicates whether a threaded part is within assigned limits, it also shows the exact position of the pitch diameter within a tolerance range. In addition the Tri-Roll will check size and out of roundness of plain cylindrical parts.
Repeatability Fixed mounting of the lower rolls assures a solid support for the work piece. Only the upper roll actuates the indicator, thereby providing repeatable readings.
Easy to Set No adjustment required on the lower rolls means that no adjustment is required when changing from one thread size to another.
Wide Gaging Range Both the ITC and the Tri-Roll are able to inspect a wide range of parts with a single frame.
Adaptability The variable thread system can be used to measure plain diameters and can be used with the "Zero Spindle" gage system. Economical with Long Work Life, the variable thread gage system provides longer life of the tooling and thus reduces cost.
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