Drilling depth can be adjusted: Adjust the depth of your drilling tasks easily with a userfriendly internal hexagonal screw fixing slot, suitable for diverse project requirements. Precise touchstop functionality: The drill bit has a touchactivated stopping mechanism that ensures immediate halting upon contact with wood, promoting accuracy in every hole you make. Fourblade design for accuracy: This countersunk drill bit features a fourblade design that ensures accurate sinking and hole location, for projects needing secure fastening of screws. Heat resistant: Made of robust carbon steel, this drill bit offers durability and heat resistance during prolonged use in demanding conditions. Use scenarios: Furniture assembly and hinge installation requiring flush, precisely countersunk screw heads for a clean finish. Cabinetry and shelving projects where exact hole depth and location improve alignment and longterm screw security. Repetitive drilling in hardwood or softwood for DIY repairs or builds, providing consistent sink depth and reduced wood damage.