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Q 1. What is the main purpose of the 014216-305.1 metric roller set R16-1.25mm LH?

A. It is a left-hand three-piece R16 roller set for 1.25mm pitch metric threads, used with the 01421600 thread reformer.

Q 2. How does this LH roller set differ from the standard 014216-305 set?

A. It is configured for left-hand threads, whereas the standard set is for right-hand thread profiles.

Q 3. Which tool is this left-hand roller pack designed for?

A. It is designed for use with the Silbertool 01421600 thread reformer body.

Q 4. When should technicians select the 1.25mm LH metric roller set?

A. When repairing left-hand metric threads with a pitch of 1.25mm.

Q 5. Can these left-hand rollers be used on standard right-hand threads?

A. No, they are specifically designed for left-hand threads and should not be mixed with right-hand applications.

Q 6. How should this LH roller set be stored to avoid confusion?

A. Store it separately from right-hand sets, clearly labelled “R16-1.25mm LH” near the reformer.

Q 7. Why is matching thread hand and pitch critical during thread reforming?

A. Mismatches can damage the thread form instead of restoring it correctly.

Q 8. How does using correct LH rollers contribute to safe thread repair?

A. It ensures rollers engage properly in existing grooves, reshaping threads without slippage or misalignment.

Q 9. What maintenance should be done on LH roller sets between uses?

A. Clean off swarf, keep them dry and check flanks and edges for wear before reinstalling."

Q 10. What are the approximate dimensions and weight of this LH roller pack?

A. The pack size is approximately 53 x 15 x 17mm and weight about 0.019 kilograms.

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