19PCS Wood Drill Bits (10MM - 40MM) Carbide Cutter, For Installing Spherical Doors, Drawers, Shaping Bits, Drill Bits for Making Clean, Flat Bottom Holes in Wood

【DRILLING CUTTING HOLES】: Suitable for pillar drills, pistol drills, vertical drills, hand-held electric drills, pedestal drills, and magnetic belt drills for mounting ball ends on doors and drawers; drilling on wood, plastic, and plywood products.【PRECISION DESIGN】: The head provides visibility and stability during operation.The center spur on each drill bit ensures precise drilling and prevents walking and wobbling during operation, creating perfectly round and accurate holes.【TITANIUM ALLOY STEEL】: Constructed with titanium alloy steel for long-lasting durability.The high-speed steel Forstner bit drills overlapping, angled, and pocket holes in all types of wood, easily drilling hinge holes, cylinder holes, computer desk thread holes, and cabinet fixings.【19 DIFFERENT DRILL BITS】: Make clean cuts with a 7cm shank: 10mm, 12mm, 15mm, 16mm, 17mm, 18mm, 19mm, 20mm, 21mm, 22mm, 23mm, 24mm, 25mm, 26mm, 28mm, 30mm, 32mm, 35mm, 40mm. The drill bit's arc curve design offers an advantage in chip removal: Suitable for pistol drills, bench drills, handheld vertical electric drills, and stand-mounted motorized drills.Provides visibility and stability during operation.The central spur on each drill bit ensures precise drilling and prevents wobbling and oscillation during operation, creating perfectly round and accurate holes.When using this drill bit, wood, plastic products, plywood, etc., will become very hot. Add water or coolant to prevent the material from smoking.