M35 HSS Cobalt Countersink Drill Bit with Ultra TiAlN Coating, Single-End Countersink Chamfer, Heavy-Duty 82-Degree Chamfer Drilling for Hard Metal

• 【Premium Excellence】: Hand-forged from premium M35 Cobalt High Speed Steel with a sleek cobalt coating, our countersink drill bits embody unmatched resilience, elevated heat resistance, and enduring durability, consistently delivering exceptional performance results.
• 【Titanium Aluminum Nitride Coating】: Enhancing surface strength to an impressive 94HRC with exceptional heat-resistance capabilities, our drill bits swiftly slice through materials, maintaining razor-sharp precision. Offering exceptional toughness, heat resilience, and lasting strength, they are the top choice for metal drilling tasks.
• 【Efficient Precision】: Designed for seamless post-drilling of screws, deburring holes, and edging parts, these drill bits ensure clean, smooth cuts while maintaining a chatter-free operation. The precision cone tip ensures accurate centering, while the patented spiral flute design prevents chip congestion, swiftly discarding debris. Engineered to tackle even the toughest of materials, including high-performance alloys and stainless steel.
• 【Versatile Functionality】: Compatible with a wide array of drilling machinery, table drills, milling devices, cordless drills, and impact drivers, our drill bits cater to machinists, DIY enthusiasts, and home improvement aficionados. Operating optimally within the recommended 2000-5000 RPM range.
• 【Complete Toolset】: This inclusive package includes a trio of drill bits in varying sizes, encompassing the 2-5MM, 5-10MM, and 10-15MM countersink chamfer tools, providing a comprehensive solution for all your drilling requirements. Each countersink chamfer tool is meticulously stored in a protective case, offering convenient organization and easy access, eliminating the frustration of misplaced tools.

Product parameters Product Name: Cobalt Countersink Drill Bit Surface treatment: Ultra TiAlN Coating Product material: High-speed steel Angle: 30 degrees Quantity: 3 Packaging size: 15*10*2cm Packaging weight: 300g Attention 1. This product is a precision cutting tool. Please use the hand drill with caution. 2. It is recommended to be used in conjunction with platform equipment such as machining centers and bench drills,; with a rotational speed of around 200 being appropriate. 3.When the working temperature is relatively high, water or cutting oil needs to be added for cooling.