Three types of drill bits for you to choose. The brad-point dowel drill bits, also called blind-hole bits, used for drilling blind holes. The V-point through hole bits used for drilling through holes on board. Carbide hinge boring bits, which is available in both right and left rotation. Carbide drill bits have good wear resistance and good heat resistance, durable and sharp. Due to its material and special design, our drill bits have a long service life, tougher bits and body.Wood drill bits have a wide range of application, you can use them to drill holes on MDF, HDF, wood, laminates, chipboards, particle, Acrylic plexiglass, plastic board. These drill bits can be mounted on Portable Boring Machines, Automatic Boring Machines, CNC Machining Center, etc.