10X Hss Twist Drill Bits 0.03" Dia 1.4" Length Metal Straight Shank Drilling Bit

Attributes:* Bit Diameter: 0.75mm / 0.03"* Shank Diameter: 0.75mm / 0.03"* Flute Length: 12mm / 0.5"* Total Length: 35mm / 1.4"* Color: Silver Tone* Material: HSSWhat Is Included:* 10 Piece x Twist Drill BitsApplications & Features:--- The straight shank design is suitable for a variety of electrical drilling machines. Also perfect for electrical drilling of materials such as wood, steel, cast steel, malleable iron, etc.--- The spiral groove design improves drilling efficiency and makes it easier and less labor-intensive to use.--- Fully ground body with bright finished ensures precision and durability.--- Made of high-speed steel, ensuring its high hardness, durability, wear resistance and heat resistance.Useful Tips:--- Please select the appropriate rotation speed and apply the appropriate amount of pressure. Excessive rotational speed and excessive pressure may cause damage to the drill bit or a decrease in drilling quality.