this EH-3C has been refurbished Whether you are a bindery, a printing firm, or some other sort of business service provider, you may be called upon to complete volumes of hole punching in order to finish a print job of some kind or another. This can be done in a number of ways, but it is a paper drill that ensures that minimal amount of labor is needed to obtain accurate results. Challenge EH-3C Paper Drill is offered by manufacturer that invented paper drills back in 1930s, and is a durable and rugged machine that will provide many years of service. This unit uses three strong drill heads (available in a range of sizes from 1/8 to 1/2 inch) to create holes in stacks of pages up to 2.5" in thickness. No matter what weight, Challenge EH-3C Paper Drill will create precise results. It relies on cast iron and steel components to ensure heavy duty performance. drilling is done via hydraulics that can provide kind of clean holes necessary for professional results. drill features adjustable speeds as well and works in a single stroke. This machine provides highest level of safety with tapered drill bits seated into a rugged spindle. This is why it can handle around 25% more stock on each operation than many other paper drilling units. Challenge EH-3C Paper Drill also has a special automatic return of drilling heads to prevent any damage to drilling block from contact with strong bits. This prevents any dulling or constant need for sharpening when bits keep bumping up against rigid bed or block. machine captures chips created during drilling to eliminate mess and debris, and its efficient size makes it a very convenient choice too. Challenge EH-3C Paper Drill requires less than four square feet of floor space and stands around five feet in total. With ability to handle up to 18 drilling procedures in one minute of time and with fully adjustable back gauges and individual heads, it is a machine that can give customized results too. When your firm demands paper drilling of any sort of material, you want to choose a machine that provides specific and adjustable results. Challenge EH-3C Paper Drill can meet many demands and perform consistently over long term thanks to its durable design and flexible components.