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A. It is a metric roller set for R60 and R110 tools, designed for 3.0 mm left-hand thread pitch applications.
A. It is configured for left-hand threads, whereas 014311-109 is for right-hand 3.0 mm pitch threads.
A. They would choose this set when reforming coarse left-hand external threads on shafts or large fasteners.
A. Using left-hand rollers on a right-hand thread can distort and damage the existing thread profile instead of repairing it.
A. The rollers are supplied in a pack measuring approximately 50 x 50 x 50 mm for convenient storage.
A. Yes, as long as the threads are left-hand, 3.0 mm pitch and within the R60 or R110 diameter range.
A. Check that the thread progresses in the left-hand direction and confirm the pitch with a thread gauge.
A. It restores function without needing new components, helping keep critical left-hand fixings in service.
A. Clean them, oil lightly to prevent rust and return them to a clearly labelled container.
A. Yes, wherever suitable left-hand metric threads exist and the R60 or R110 tool can be used."
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