This wood reaming drill bit has a self-tapping collar that can provide precise positioning for a variety of soft and hard wood drilling Our wood hole drill bit will be a great helper for your woodworking tasks, you feel it more easily with our tools. The wood carver drill with hexagon square handle is not easy to slip, suitable for all kinds of electric drills The wood drill bit prepares a 4-edge design, allows for faster chip ejection and its full screw tip ensures ease of use and pull through This wood drill bit set is load-bearing and durable. The drill head is made of carbon steel, which is sneezed at high temperature and has a long service life Product Description Description This reaming wood drill bit has a self-tapping spigot which can provide precise positioning for a variety of soft and hard wood drilling. This wooden drill bit set is load-bearing and durable. The drill head is made of carbon steel, which is deactivated at high temperature and has a long service life. Features Wood drill bit The color is black. Material: carbon steel. Size: 10\/12\/14\/16\/18\/20\/22\/25mm Note: Please allow 1-3cm error due to manual measurement. Pls make sure you don't mind. Package including 8*wood drill bit