New product announcements: 04/14/2010 Coring Machine: Goes Right Through Rebar The DD 350 Coring System is a diamond-coring machine powered by a water-cooled, high-frequency brushless motor rated at 3,600 W. It features 10-speed electronic gearing, which allows for constant power output over the entire diameter range. The Iron Boost function provides extra performance for coring through rebar. The DD 350 can be used in many coring applications, including drilling corner holes, penetrations for pipes and cables, large-diameter drilling and coring in heavily reinforced concrete. Hilti; 800-879-8000; www.us.hilti.com Random Orbit Sander: Adjustable The Makita BO5041K is a 5-in. random-orbit sander that
The market is generally healthy and steadily growing, and margins are up for large specialty contractors. Further, advances in design tools and owner demand for collaboration are giving subcontractors a seat at the table early on in projects.