Functions:
The drill is made of carbon steel and the countersink is made of high-quality 45# steel, which ensures a long service life. The combined drill and countersink is ideal for drilling, chamfering, deburring and countersinking. There are 10 sizes of 3 mm, 3.5 mm, 4 mm, 4.5 mm, 5 mm, 5.5 mm, 6 mm, 7 mm, 8 mm, 10 mm and you can Select the desired select the desired selecThe five groove design provides small chip loads and faster removal. It can drain wood sawdust faster and smoothly. They are suitable for various woodworking projects such as furniture construction, laying wooden floors, laying cabinets and more. Ideal for dowels or dowels.