H110 Holesaw Arbors QC Sutton Tools WHC holesaw arbour system features a quick-release adaptor and extra-long pilot drill allow cutting on extreme angles and 2-up cutting for enlarging existing holes. The push button adaptor makes it easy to change holesaws for fast and efficient use. Pilot drills are available in TCT for masonry and abrasive materials, and HSS for wood and metal application. Push button adaptor to quickly change holesaws for fast and efficient use Thread pattern made to international standard to fit all standard holesaws TCT and HSS pilot drills available 2-up cutting to enlarge existing holes is possible Extra-long pilot drill allows cutting on extreme angles