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Standard
Standard focusing tubes for Dardi waterjet cutting heads, in 7.00 and 7.14 mm outside diameter, several bores and 76.2 mm length, including Roctec 100 versions.
A focusing tube is specified by outside diameter, bore and length. The bore has to match the orifice, as a rule of thumb around three times its diameter, and the outside diameter and length have to match the head. Replace the tube when the exit bore has worn oval or visibly larger, as that is when kerf and edge quality start to suffer.
Parts in this section are compatible replacements. Third-party brands and references identify the equipment the part fits and do not imply it is an original spare from that manufacturer.