To use a cutting wheel, you have to attach it a mandrel. Unscrew the tiny screw on top of the mandrel and remove one of the washers. Slide the wheel onto the screw, then add the second washer. Attach the screw to the mandrel base and tighten.Click to see full answer. Hereof, how do you cut bolts with a Dremel? Attach the cutting wheel to the mandrel. Loosen the chuck at the end of the Dremel, insert the mandrel and use the supplied wrench to tighten the chuck. Put on safety goggles and plug in the Dremel. Turn on the unit. Hold the Dremel in one hand and use the other to steady and guide it. Likewise, what is a Dremel mandrel? A shank with a screw-like head. Used primarily with Dremel polishing bits and accessories. For best results, insert the mandrel all the way into the tool and then back it out slightly before tightening down. This provides plenty of shank for the collet or chuck to hold onto. Also asked, how do I attach cutting wheel to Dremel 200? To use a cutting wheel, you have to attach it a mandrel. Unscrew the tiny screw on top of the mandrel and remove one of the washers. Slide the wheel onto the screw, then add the second washer. Attach the screw to the mandrel base and tighten.How does Dremel EZ Lock work?The EZ Lock mandrel makes accessory changes easy, just pull – twist – and release. The one piece mandrel design simplifies the process of changing cutting wheels and makes it easy to cut through a range of materials from metal to plastic. The new EZ Lock mandrel is compatible with all Dremel rotary tools.