The August/September issue of “Máquinas e Metais” digital is online. This edition brings, on page 13, the especial buyers’ guide “Coolant-Driven Jet Spindle”, listing suppliers of this type of device that promise, as a result of their use, to obtain high rotation rates, which favor the execution of semi-finishing and finishing machining with better quality, greater productivity and, consequently, greater competitiveness, assets that are more than welcome in obtaining new contracts. Read in the “Notes & Information” section, news about technology and the machining market, with emphasis on the launch of a 4-axis machining center. Furthermore, in the “Literature” section, recommended books for the machining sector. This issue also brings the update “Gun drills” and “Magnetic chip/oil separators” buyers’ guides.