[Depth Stop Design]: A Depth Stop Can Be Fixed On The Rod, Which Prevents You From Drilling Too Deep, Limited Depth of 15 Mm to 45 Mm. You Can Also Remove The Stop for Unlimited Depth. Guided By The Circular Rim, It Pierces All Arcs in All Directions. Curved Design, The Head Effectively Removes Debris and Works Efficiently. [Widely Used]: Suitable for Drill Press, Hammer Drill, Bench Drill, Vertical Drill, Portable Electric Drill, Drill Press and Mobile Band Drill. Can Be Used for Punching Wood Products, Mounted Spherical Door Pusher Tips, Drawers, Plastic Products, Wood, Plywood, Etc. Suitable for Punching Holes On All Wood and Wood Products, Treatment and Maintenance of Wood, Production of Models. Can Easily Enlarge Existing Holes and Drill Any Arc. Drills Flat Bottom Holes, Pocket Holes and Overlapping Holes. [Cement Carbide]: Constructed of Titanium Alloy Steel for Long Lasting Durability. Forstner Steel High Speed Steel Drills Overlapping, Oblique and Countersinking Holes in All Types of Wood, Makes It Easy to Drill Hinge Hole, Cylinder Hole, Computer Desk Thread Hole and Furniture Fixing Domestic. [X-Wing Design]: The X-Wing Head Provides Visibility and Stability During Operation. The Center Spur of Each Drill Bit Ensures Precise Drilling and Prevents Walking and Wobbling During Operation. Create Perfectly Round and Precise Holes with The Center Spur Design. Ideal for Boring Concealed Hinges and Door Locks. The Cement Carbide Tip is Designed to Cleanly Cut The Hole. Can Be Used for Punching Wood Products, Mounted Spherical Door Shooting Point, Drawer, Plastic and Wood Products, Plywood, Etc. Suitable for Bench Drill , The Vertical Drill and The Electric Hand Drill, The Motor Drill On Stand, Etc.