- Premium Material : Crafted from high-quality M35 cobalt steel, our twist drill bit features a double head design, allowing one drill bit to function as two. This ensures exceptional toughness, hardness, and longevity. - Specialized Grinding Process : The drill’s head is precisely crafted through a specialized grinding technique that enhances its cobalt content, providing outstanding performance for various materials during drilling operations. - Efficient Design : With a 135-degree standard rear edge angle and a wide U-shaped chip removal groove, this bit enables quick chip evacuation. Its sharp blades ensure stable feeding and accurate positioning, reducing the likelihood of slipping while drilling. - Versatile Compatibility : Ideal for use with hand drills, lithium electric drills, impact drills, magnetic drills, and milling machines. This drill bit is perfect for working with materials such as stainless steel, cast iron, aluminum alloy, copper, and steel plate. Not suitable for tiles, stone, concrete, or walls. - Application Scenarios : - Effortlessly drill holes in stainless steel components for automotive applications. - Create precise holes in cast iron for plumbing or mechanical fixtures. - Utilize in woodworking projects that require durable metal fittings. This twist drill bit combines superior materials with a practical design to meet your drilling needs effectively and efficiently.