The working part of the drill is made of the highest quality hardened steel, which guarantees optimal working parameters and high wear resistance. Stable, strong steel construction. The assembled blade can be sharpened. The drill can make precise holes in light and medium strength material. The double helix ensures faster operation, which means less surface friction and more efficient auger operation. Working diameter: 200mm Total length: 800 mm Hole diameter: 20mm (mounting shaft) Sheet thickness: 2 mm (spiral) Drill net weight: ~5.3kg (without box)