Greenlee 645-2-1/2 2-1/2 Quick Change Stainless Steel Carbide-Tipped Hole Cutter

Instruction Sheet. Greenlee 645-2-1/2 is a high - performance hole cutter. It requires the 645 - 022 arbor (sold separately). This 2 - 1/2 - inch (63.5 mm) cutter is designed for a 2 - inch conduit size. It cuts through stainless steel with ease and speed. The quick - change arbor lets you swap cutter heads effortlessly with a simple push and turn, and you can use the same arbor for different - sized cutting heads. Removable cutter heads range from 5/8 - inch to 3 - inch. A flange stop prevents over - drilling. An ejector spring on sizes above 3/4 - inch makes slug removal a breeze. It comes with a replaceable cobalt - steel pilot drill having a split - point tip to avoid walking. The precision carbide teeth ensure top - notch performance and long - lasting durability. The minimum chuck size is 3/8 - inch (9.5 mm).

Using your Greenlee 645 - 2 - 1/2 hole cutter is easy. First, make sure you have the 645 - 022 arbor, which is sold separately. Attach the arbor to your drill. Then, select the right cutter head for your job. The quick - change feature allows you to do this quickly by just pushing and turning. When drilling, keep in mind that the flange stop is there to prevent you from drilling too deep. After drilling, if you're using a cutter head larger than 3/4 - inch, the ejector spring will help you remove the slug easily. As for maintenance, regularly clean the cutter head to keep the precision carbide teeth sharp. Check the replaceable cobalt - steel pilot drill and replace it if it gets dull or damaged. Also, make sure your drill has a chuck size of at least 3/8 - inch (9.5 mm) for proper operation.