Specification: Name: TitaniumTwist Drill Bit Set Material: High Speed Steel Coated: Titanium Coated Quantities: 6pcs Usages: Wood Punching Drilling Package Includes: 1 2 3 Set * Twist Drill Bit Set Power Tool Accessories (6 Pcs) 1 PCS * Gloves Note: 1. Please allow 0~1G measurement error due to manual measurement! 2. Please allow slight color differences due to different shooting angles and lighting effects! 【6-Piece Set with Assorted Sizes】Includes the 6 most commonly used sizes to meet a wide range of needs. Compatible with most electric drills on the market, the set comes with a portable plastic storage pouch for easy organization and safekeeping. 【High-Quality Materials】The drill is made of high-quality material, durable and practical to use. The center of the product has sharp serrations, and with their help, the drill can continue drilling horizontally after drilling. 【Fully Ground Design & 135° Split-Point Tip】The fully ground spiral flute design effectively reduces friction and heat buildup, enabling faster, cooler drilling. The 135° split-point tip and straight shank design prevent the bit from walking or slipping, ensuring precise and efficient drilling without the need for a center punch. 【High-Efficiency Performance】The sharp cutting edges ensure high drilling efficiency. The center of the bit features sharp serrations, allowing for lateral cutting operations after initial penetration. 【Versatile Application】Suitable for cutting hard metals such as stainless steel, steel, and cast iron, as well as softer materials like wood and aluminum alloys; also effective on tile, concrete, brick, plastic, glass, and masonry.