Enhance your drilling projects with this high-performance Step Drill Bit, crafted from premium high-speed steel for exceptional durability and precision. Featuring a cobalt coating, this drill bit reduces friction and operating temperatures, significantly extending its lifespan while maintaining superior cutting efficiency. Designed for versatility and strength, it requires no center punch, minimizing breakage and enabling smooth deburring, chamfering, and hole opening tasks with ease. Key Features: · Cobalt Coating for Durability: The advanced cobalt coating lowers friction and heat buildup during use, enhancing wear resistance and prolonging the drill bit’s service life. · High-Speed Steel Construction: Provides excellent toughness, high strength, and flexibility, ensuring reliable performance across a variety of materials. · No Center Punch Needed: Allows direct drilling without pre-marking, reducing breakage and improving operational efficiency. · Multi-Functional Use: Ideal for deburring, chamfering, and opening holes with precision, saving time and effort on multiple tasks. · Wide Material Compatibility: Perfectly suited for perforating stainless steel, tapping steel, wood, thin iron, aluminum alloy, moisture-proof boards, PVC boards, and more. · Multiple Size Options: Available in seven different standard sizes (3-12mm, 4-12mm, 4-20mm, 4-22mm, 6-24mm, 4-32mm, 6-35mm) to meet diverse drilling requirements. Specifications: · Material: High-Speed Steel · Coating: Cobalt · Standard Sizes (optional): 3-12mm, 4-12mm, 4-20mm, 4-22mm, 6-24mm, 4-32mm, 6-35mm · Item Type: Step Drill Bit Package Includes: · 1 x Step Drill Bit This Step Drill Bit is an essential addition to any toolbox, offering superior wear resistance, toughness, and versatility for a wide range of drilling applications. Its cobalt coating and high-speed steel build ensure long-lasting performance, making it the perfect choice for professionals and DIY enthusiasts alike.