Description
Attributes:
* Bit Diameter: 9.9mm / 0.39″
* Shank Diameter: 9.9mm / 0.39″
* Flute Length: 85mm / 3.35″
* Total Length: 131mm / 5.2″
* Material: HSS
What Is Included:
* 2 Piece x Twist Drill Bits
Applications & Features:
— The straight shank design is suitable for a variety of electric drill 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. Split Point tip starts on contact to keep the bit from walking for fast accurate holes.
— 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.