Attributes:* Total Length: 73mm / 2.9"* Shank Diameter: 4.1mm / 0.16"* Flute Length: 35mm / 1.4"* Bit Diameter: 4.1mm / 0.16"* Material: High-Speed SteelWhat Is Included:* 6 Pieces x Twist Drill BitApplications & Features:--- The high-speed steel drill bits can be used with various power tools such as electric drills, hand drills and impact drills, and are suitable for a variety of materials, including stainless steel, aluminum alloys, iron, copper, brass and other metal materials.--- The spiral flute design enables efficient chip removal during drilling, reducing clogging and heat build-up.--- The drill bit is made of high-speed steel, with high hardness, heat resistance, wear resistance, and durability. HSS(High-Speed Steel) enables the drill body to harder and can keep a longer drilling life and fast drilling performance.
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