Heavy Duty 0.4 Inch Cobalt Steel Drill Bit Set – 6 Pack for Precision Drilling. Experience unparalleled drilling power with our Heavy Duty 0.4 Inch Cobalt Steel Drill Bit Set, designed for precision and versatility. Cobalt Steel Composition: Crafted from cobalt steel, these drill bits outperform standard high-speed steel, especially when piercing through tough metals like stainless steel and nickel alloys. Gold Oxide Treatment: The gold oxide finish allows for easy identification while providing similar performance to uncoated tools. Compatibility: Round shanks enable compatibility with a wide range of toolholding systems, giving you flexibility and choice. Enhanced Chip Removal: The right-hand cut spiral fluted design efficiently evacuates chips up and out of the cut, minimizing clogging for a smoother drilling experience. Manufactured to High Standards: Conforming to National Aerospace Standard 907, ensuring superior manufacturing quality. High Heat Resistance: These drill bits maintain higher red hardness, allowing speeds up to 30% greater than conventional High-Speed Steel drills. Ideal for tough, high tensile strength materials like PH stainless steel, inconel, and titanium. Precision engineering makes these bits perfect for both professional and DIY projects. Easy to identify and distinguished by their gold oxide finish which prevents confusion with other bits. Why choose our Cobalt Steel Drill Bit Set? For professionals and hobbyists alike, our Heavy Duty Cobalt Steel Drill Bit Set is the essential tool for precision drilling. Whether you’re working with stainless steel or challenging alloys, our bits are built to perform where others fail. Don’t settle for inferior quality, elevate your drilling game with unmatched durability and performance. Upgrade your toolkit today with our Heavy Duty 0.4 Inch Cobalt Steel Drill Bit Set and experience the difference in craftsmanship and efficiency! Alternative Carriers – We may use alternative carriers e. To ensure your package arrives safely and on time. Your feedback is extremely important to us. We strive to provide the best products and customer service possible. We are committed to resolving any problems and ensuring your satisfaction. Item Height: Not Set. Item Depth: 2 inches. Suitable For: Air Compressor, Air Drill, Angle Grinder, Buffing, Cement, Commercial, Drill, Drywall Compound, Grout, Grout Mixer, Lathe, Liquid, Mortar, Orbital Sander, Oscillating Tool, Paint, Plaster, Polishing, Residential, Rotary Tool, Thinset Mortar, Tile Adhesive, Work Bench. Type: Ball Mixing Paddle, Drill Bit, Spiral Mixing Paddle. Application: Cutting, Grinding, Grinding/Sanding, Grinding and Cutting, Mixing. Number of Items in Set: 6. Country/Region of Manufacture: Not Set. Item Diameter: 0.4 inches. Item Length: Not Set. Item Width: Not Set. Item Weight: 0.7 lb.