The April issue of Máquinas e Metais is online. A preview of “Expomafe - Brazil International Machine Tool Exhibition”, which will take place from May 9th to 13th in São Paulo, is highlighted on page 36. This debut event will present novelties in products, solutions and accessories both from Brazilian and foreign manufacturers, in an inspiring business atmosphere fostering interaction between suppliers and customers. See on page 18 the article "Use of laser in the cutting tool in order to improve cooling in drilling process", which explains that the drilling process with laser opens new possibilities of configuration and offers a solution to improve cooling in drilling of Inconel 718. Read on page 60 the article "Analysis of the surface quality of a FV450 compacted graphite cast iron (CGI) after peripheral surface grinding," which reports the results of surface finishing and imaging surfaces of vermicular cast iron samples after flat grinding with silicon carbide grinding wheel. This issue also introduces a brand new "Screws for fixing inserts (torx)" buyers’ guide.