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A. It is a unified roller set for R60 and R110 tools, configured for 16 threads per inch external threads.
A. They choose it when repairing external unified threads, such as UNF or UNC, that use a 16 tpi pitch.
A. The rollers are fitted into the head following the pattern specified for 16 tpi threads in the tool documentation.
A. Each pitch has unique spacing and geometry, so matching rollers are required to reshape threads accurately without damaging them.
A. The pack is about 50 x 50 x 50 mm, making it compact and easy to handle.
A. Yes, as long as the threads are 16 tpi unified and within the R60 or R110 tool’s diameter range.
A. Use a threads-per-inch gauge to confirm 16 tpi, then select the roller set with the corresponding pitch marking.
A. It restores threads without cutting metal away, preserving original fit and strength when new parts are not required.
A. Clean them thoroughly, apply a light oil film and store them in their clearly marked container.
A. Yes, it can be used wherever 16 tpi unified threads need non-cutting restoration."
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