4pcs Titanium Coated Countersink Chamfer Tool Deburring Tool Set Metal Wood Drill Bits 2-5mm 5-10mm 10-15mm 15-20mm （gold)

Precision Engineering: The countersink drill bit set features a 90-degree angle design at the tip, ensuring precise and sharp chamfering operations for round or taper holes in various materials, enhancing your project’s finishing touches Versatile Application: Ideal for processing and reaming iron, aluminium alloy, copper, wood, and plastic, this countersink drill bit set is essential for precision tasks, though not suitable for tiles, concrete, or stones High-Quality Materials: Crafted with a titanium coating, these countersink drill bits provide durability and reduced wear, making them perfect for repeated use in a variety of workshop settings Recommended Usage: Compatible with drilling machines, table drills, machining centres, and milling machines, this countersink drill bit is not designed for hand drills, ensuring optimal performance at the recommended speed of This bits should use the bench drill, it is easy to shake and it will affect the chamfering effect if you use the hand drill