Unique adjustable drill bit ANT22-110 for steel, aluminium, brass, bronze, copper, plastic, plexiglass, wood and many other materials. You can drill even on a small drilling bench. Not suitable for drilling tiles and concrete. Made in Ukraine. Please watch the YouTube video of the ANT 22-110 adjustable drill bit for a complete introduction to the drill's capabilities. With the preservation of the inner part of the hole, that is, where necessary, only a small part of the material is cut out, while saving money and effort, this allows the material not to pass into chips. This amazing adjustable drill bit fits a standard drill chuck or any three-cam chuck and handles large holes very easily. Drill bit shank diameter 10mm. The drill bit is specially designed to ensure maximum rigidity around the perimeter and is subjected to heat treatment, which has a positive effect on a long service life. Special milling cutters are made of high-speed tool steel. The wedge-shaped shoulder clip ensures a secure fit without backlash and maximum rigidity thanks to flexible diameter adjustment. With minimal effort, you can cut the desired workpieces every time you want, or get perfect round holes in the sheet material with minimal effort. Special cutters are interchangeable, but they can be sharpened in the back corner with a manual diamond sharpener, which will save you a lot of money and time. You won't believe how easy and simple it is to use the ANT adjustable drill bit and how important it is. Save Hundreds of Dollars on Huge drills bit with One Unique Adjustable Drill bit. The operating instructions are in the package. Spare cutters are always available. The color in the photo and reality may differ. Before using the drill bit, you need to mark the workpiece and drill a 7.0 mm hole. Please follow the safety regulations. ANT22-110mm adjustable drill bit can drill hole from 22mm to 110mm (0.86-4.33)" and metal thickness with 5mm cutter (included) up to 9mm on one side, 18mm on both sides. The kit includes: 1 x ADJUSTABLE DRILL BIT 1 x Double-sided cutter 1 x Wrench 1 x Instruction DESIGNED AND MANUFACTURED IN UKRAINE