Description Feature: The tip is specially designed to remove debris with ease. It is effective for various jobs in wood, plywood, veneer, ideal for drilling hidden hinges and door locks. nbsp ; Depth stop design: A depth stop can be fixed on the rod, which prevents you from drilling too deep. You can then control the depth of the hole from 10mm to 40mm. You can also remove the stopper to unlimited depth. Guided by the circular rim, pierces the entire arc of a circle in any direction. Due to its design with a curve, the head makes it possible to eliminate debris and work efficiently. X~wing design: The X-wing head provides visibility and stability during operation. Center spur on each drill bit ensures precise drilling and prevents walking and wobbling during operation, creates perfectly round holes and accurate thanks to the center spur design. Carbide: Constructed with a titanium steel alloy for long lasting durability. HSS Forstner bit drills overlap, angle and pocket holes in all types of wood, easily drill hinge hole, cylinder hole, computer desk thread hole, home cabinet fixing. Widely Used: Suitable for drill presses, pistol drills, bench drills, vertical drills, hand-held electric drills, pedestal motor drills and moving band magnetic drills, etc.