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

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

• ‌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