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A. It is a three-piece R16 roller set for 19tpi British thread forms, used with the Silbertool 01421600 thread reformer.
A. It covers BSW, BSF, BSPP and BS threads at 19 threads per inch.
A. Precise roller geometry is needed to match the thread pitch and form for effective thread restoration.
A. When repairing British standard threads identified as 19tpi using the thread reformer.
A. Keep them in a labelled compartment with other roller sets, close to the reformer body.
A. No, they are designed specifically for British pitches at 19tpi; metric threads use different roller sets.
A. It allows damaged threads to be reformed instead of replacing bolts or nuts, maintaining original hardware."
A. They are intended for use with the Silbertool 01421600 thread reformer.
A. The pack dimensions are about 53 x 15 x 17mm and weight approximately 0.019 kilograms.
A. It is listed under workshop tools for thread reforming.
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