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A. It is a metric roller set for R60 and R110 thread reform tools, providing a 2.5 mm left-hand thread pitch capability.
A. It is designed to reform external left-hand metric threads with 2.5 mm pitch rather than standard right-hand threads.
A. It is used when reforming damaged external left-hand threads on shafts or components without cutting away material.
A. The rollers are fitted into the R60 or R110 tool head in place of the standard pitch rollers, following the tool’s instructions.
A. Rollers reshape the existing thread form by cold-working, helping preserve strength and sometimes increasing surface hardness.
A. It is supplied as a matched metric roller set, allowing the thread reform tool to contact the thread correctly on multiple sides.
A. They should confirm the thread is left-hand and 2.5 mm pitch, then match the reference number to the chart in the tool documentation.
A. Keep the rollers clean, lightly lubricated and free from nicks or rust that could mark the thread surface.
A. Yes, as long as the diameter and thread form fall within the R60 or R110 tool’s specified range.
A. Store them in their labelled container or foam insert so they are not mixed with other pitch sets."
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