The easiest way to drill precision holes without damaging surfaces even on the hardest metal plates in just seconds!
Material: High-speed steel
Diameter of extensions: 16 mm; 18.5 mm; 20 mm; 25 mm; 30 mm
Product description: Ratyer is a set of 5 bits for drilling round holes. The attachments are compatible with all electric drills. The set is also equipped with five Allen keys to attach the bits to the drill head. Start drilling lightly. Accelerate as needed. If the material you are drilling is too hard, use the drill at intervals to prevent overheating.
