4pcs Countersink Drill Bit Set Deburring Chamfer Drill Bits, Titanium Coated High Speed Steel Countersink Bit for Metal, Wood, Wool, Plastic, DIY, Gold

• 【Premium Material】Crafted from High-Speed Steel (HSS) 4241 with a Titanium Coating, these chamfer drill bits offer high hardness, wear resistance, and sharp cutting edges. Ideal for cutting through various materials including metal, wood, plastic, and thin iron plates with a hardness below 25 degrees.
• 【Versatile Chamfering Options】With chamfer ranges of 2-5mm, 5-10mm, 10-15mm, and 15-20mm, these countersink drill bits provide versatility for different applications. The 90-degree angle on the point ensures sharp and precise countersinking, making them perfect for circular aperture chamfering or cone hole tasks.
• 【Sturdy and Durable】The bits feature a 90-degree angle design that enhances wear resistance and durability. The rust and corrosion-resistant coating contribute to a longer lifespan. The large core diameter and high chamfer concentricity enhance tool rigidity and cutting ability.
• 【For Bench Drill】These countersink bits are specifically designed for use with a bench drill to achieve optimal chamfering effects. The 90-degree angle and precision countersinking might be affected if used with a hand drill due to potential shaking. Ensure a stable and efficient operation by using them with a bench drill.
• 【Wide Compatibility and Easy Maintenance】Compatible with common drills from various brands like Hilti, Bosch, Makita, and more, these bits are suitable for a wide range of applications. To prevent rust, it's recommended to use protective oil. The chamfer range variations and the material's high-speed cutting capability make these bits a valuable addition to your toolkit.

Features: 1. Efficient Chip Removal: Internal chip removal design prevents debris from flying during operation, ensuring a cleaner work area and maintaining a clear line of sight. This feature adds to the overall safety and efficiency of the chamfering process. 2. Professional-Grade Application: These chamfer drill bits are suitable for professional-grade applications, offering a 90-degree angle for precise countersinking. Ideal for craftsmen, DIY enthusiasts, and professionals who require accuracy and durability in their chamfering tasks. Specification: Brand: GIONAR Material: High-Speed Steel (HSS) 4241 Colour: Glod Size: 2-5mm, 5-10mm, 10-15 mm, 15-20mm (four type) Applicable Machines: Suitable for drilling machines, table drills, machining centres, milling machines.But hand drills are NOT allowed. Package Included: 1 x Countersink chamfer drill bit set Note: Please allow 1-2mm errors due to manual measurement. Due to the light and screen difference, the item's color may be slightly different from the pictures.