High-Speed Carbide Drill Bit Set - KEWAYO Premium Metal Hole Saw for Iron, Aluminum & Steel Plate - Triple Handle Design for High Hardness Drilling - Perfect for DIY, Construction & Metalworking Projects

Our drill bit set is designed with high quality materials for sharp and precise cutting which helps you to get your work done easily in a shorter time, the drill bit is specially designed for cutting iron, stainless steel, copper, aluminum, etc. to meet your different needs and save time and effort. Features a three-bladed tooth design with forward and backward tilt to promote sharp cutting and fast digging. This drill bit set comes with a spring and hex wrench, to provide everything you need when using for a more comfortable and less effortless job. Specifications: Product Name: TCT Drilling Hole Model: 35mm hole saw Material: tungsten carbide Diameter: 35 mm Shank diameter: 9 mm Total length: 105 mm Working depth: 27 mm Package includes: 1 x 35 mm drill hole 1 x Center Drill 1x Spring 1x Hex key Note: 1- The drill comes with a center drill that needs to be fixed and tightened by hand. 2- The central drill is used to determine the cutting position first and then the cutting head starts to work. The central drill marks the drilling site. 3- The force should not be too high to avoid violent collision between the drill and the working material. 4- Water or coolant must be added so that the drill does not burn. 5-A lower speed should be chosen for continuous drilling. 6-There may be measurement error due to manual measurement, thanks for your understand.