This six-piece set of cutting tools for use with the Proxxon PD 230/E and PD 400 lathe systems is supplied in a wooden box. Each set comprises one of each cutter for 60° (metric threads) and 55° (Whitworth threads), for cutting internal threads, 1.3mm, 2.65mm and 4mm boring bars and a tool holder. These cutters are held in a tool holder that mounts to the tool post of either the PD 230/E or PD 400. * Shank diameter is 6mm, length 95mm * Manufacturer's part 24520 https://elecena.pl/product/27207678/proxxon-24520-6-piece-hss-boring-tool-set 2024-11-10 https://elecena.pl/product/27207678/proxxon-24520-6-piece-hss-boring-tool-set 2026-05-20 https://elecena.pl/product/27207678/proxxon-24520-6-piece-hss-boring-tool-set 2026-06-12 https://elecena.pl/product/27207678/proxxon-24520-6-piece-hss-boring-tool-set 2026-07-05 https://elecena.pl/product/27207678/proxxon-24520-6-piece-hss-boring-tool-set 2026-07-29 https://elecena.pl/product/27207678/proxxon-24520-6-piece-hss-boring-tool-set 2026-08-21