DescriptionThis product is serrated twisting drill bit, which is mainly made of high-speed steel material, strong and durable, good texture, reasonable design and practical functions, which can effectively help you improve your work efficiency and save you. time. Each drill bit is carefully crafted, with excellent convenience and accuracy, and will be a good replacement for you.Features- Color: Golden, silver.- Material: High-speed steel.- Size: 9.50X0.80X0.80cm/3.73X0.31X0.31 inch.- It is made of high-speed steel, strong and durable, good texture, and can serve you for a long time.- Fine workmanship, excellent work performance, fast execution and maintaining strength and efficiency.- It can be widely used in drilling of metal, wood, etc. It is very practical.- They have high hardness and wear resistance, can provide accurate positioning and high efficiency.- Twisting design improves cutting efficiency and can effectively avoid slippage.Packing list:6 x drill bits