Description Robert Sorby brings this fascinating aspect of woodturning with the introduction of the Thread Cutting System . The cutting tools have been produced from High Speed Steel in 10, 16 and 20 threads per inch (tpi), with a unique, enhanced helix angle specially designed for use in wood. To compliment these excellent tools, optional items have been produced to provide a complete solution to thread cutting. A Relief Cutting Tool and a Tool Support Rest make forming internal threads easier and our Thread and Sizing Gauge takes all the guesswork out of dimensioning. The Thread Cutting Sets consist of a matched pair of thread cutters of the desired threads per inch. Also included is the thread and sizing gauge together with the “Focus on Thread Cutting” video as produced by Robert Sorby.
