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A. It is a three-piece R16 roller set for 11tpi UNC, UNF and UNEF threads, designed for the 01421600 thread reformer.
A. It supports UNC, UNF and UNEF imperial thread standards at 11 threads per inch.
A. It must be used with the Silbertool 01421600 thread reformer.
A. When repairing imperial threads identified as 11tpi in UNC, UNF or UNEF standards.
A. Store them labelled by pitch and standard, grouped with other UNC/UNF/UNEF roller packs.
A. Imperial threads rely on precise tpi; correct rollers maintain thread integrity during reforming.
A. It allows damaged threads to be reformed, avoiding replacement of specialised imperial bolts or studs.
A. The pack measures about 53 x 15 x 17mm and weighs around 0.019 kilograms.
A. No, it is specifically designed for UNC/UNF/UNEF threads; other standards require different rollers.
A. Remove any swarf, keep them dry and inspect for signs of wear or damage before reuse."
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