Hilti to hold Open Days 1/3/10 Hilti to hold open days 1 March 2010 Hilti is holding open days over a two-day period at all 21 of its Centres nationwide. They will take place on 17 and 18 March from 7am to 6pm. Visitors will be able to inspect the manufacturer’s latest tools, buy ex-demonstration tools at reduced prices, and take advantage of the Hilti Scrappage Scheme, ...