Features: *Carbide drill bits have high hardness and strong wear resistance. *Spiral groove design, smooth chip removal, greatly improving work efficiency. *The handle is round, which is common to most electric drills. *Suitable for stainless steel, copper, iron, wood, plastic, aluminum alloy. Specifications: Product Name: Carbide drill bit Material: Carbide Size: 3MM/3.5MM/4MM/4.5MM/5MM/5.5MM/6MM/6.5MM/7MM/7.5MM (optional) Color: as shown in the picture Quantity: 1pcs Suitable for: stainless steel, copper, iron, wood, plastic, aluminum alloy drilling Package Contents: 1 X Carbide Drill Bit Note: 1. Transition: 1cm=10mm=0.39 inches. 2. Due to many factors such as display brightness and light brightness, the actual color of the product may be slightly different from the picture shown on the website. 3. Please allow slight manual measurement deviation for the data. High quality assurance: Each product undergoes strict quality testing to ensure that you can provide the best quality experience. User-friendly design: The product features and appearance are carefully designed, easy to operate, and suitable for various usage scenarios. Multifunctional practicality: It has a variety of practical functions to meet your diverse needs and improve the quality of life. Environmentally friendly materials: Made of environmentally friendly and safe materials, harmless to the human body, while paying attention to environmental protection. Excellent cost performance: Provide excellent quality at a reasonable price to ensure a shopping experience that is worth the money.