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A. It is a three-piece R16 roller set for 18tpi British thread forms, used with the Silbertool 01421600 thread reformer.
A. It caters for BSW, BSF, BSPP and BS threads with a pitch of 18 threads per inch.
A. It is intended for use with the Silbertool 01421600 thread reformer.
A. British standard thread pitches vary, so precise rollers are needed for each standard pitch.
A. When restoring threads identified as 18tpi BSW/BSF/BSPP/BS on bolts or nuts.
A. Store it labelled by tpi value with other roller sets near the thread reformer.
A. No, they are specifically for British form threads at 18tpi; other standards require different rollers.
A. It allows existing fasteners to be salvaged, reducing replacement costs and material waste."
A. The pack measures around 53 x 15 x 17mm and weighs about 0.019 kilograms.
A. It is listed under workshop tools related to thread repair systems.
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