CoCud Twist Drill Bits, 0.09" Dia 2.1" Length, HSS-CO Cobalt Spiral Straight Shank Drilling Bit - (Applications: for Steel Drilling), 10 Pieces

• ★ Twist Drill Bits Size --- Bit Diameter: 2.2mm / 0.09", Shank Diameter: 2.2mm / 0.09", Flute Length: 28mm / 1.1", Total Length: 53mm / 2.1".
• ★ Wide Applications --- The straight shank design is suitable for a variety of electrical drilling machines. Also perfect for electrical drilling on both flat and curved surfaces such as wood, steel, cast steel, malleable iron, etc.
• ★ Twisted Flute --- The sharp spiral groove improves drilling efficiency and makes it easier and less labor-intensive to use.
• ★ HSS-CO --- Made of HSS-CO, 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.

Attributes: * Bit Diameter: 2.2mm / 0.09" * Shank Diameter: 2.2mm / 0.09" * Flute Length: 28mm / 1.1" * Total Length: 53mm / 2.1" * Material: HSS What Is Included: * 10 Piece x Twist Drill Bits Applications & Features: --- The straight shank design is suitable for a variety of electrical drilling machines. Also perfect for electrical drilling on both flat and curved surfaces such as wood, steel, cast steel, malleable iron, etc. --- The sharp spiral groove 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 HSS-CO, 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.