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

• 【Premium Material】Crafted from High-Speed Steel (HSS) 4241 with a Titanium Coating, these metal countersink drill bit 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: Silve 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.