General description The 6-piece 90° countersink set is designed for chamfering and is suitable for machining both metallic and non-metallic materials. This set includes a variety of sizes to accommodate different applications, making it versatile for various projects. Technical specifications Blade diameters: 6.3mm, 8.3mm, 10.4mm, 12.4mm, 16.5mm, 20.5mm Shank diameters: 5mm, 6mm, 6mm, 8mm, 10mm, 10mm Angle: 90 degrees Material: HSS 4241 Dimensions: 6.3mm: 6.3mm*5mm*37mm, 8.3mm: 8.3mm*6mm*40mm, 10.4mm: 10.4mm*6mm*39mm, 12.4mm: 12.4mm*8mm*46mm, 16.5mm: 16.5mm*10mm*47mm, 20.5mm: 20.5mm*10mm*47mm Compatibility and accessories Compatible with common cordless screwdrivers and drills, including drill presses Usage Ideal for machining materials such as carbon steel, steel sheet, iron, aluminum, PVC, and wood Efficiently removes burrs without scratching the surface Allows for automatic through-hole chamfering, quickly creating chamfered edges Other information The titanium-coated cutter is