Attributes:
* Twist Drill Bits Diameter: 1.8mm / 0.07-inch
* Drill Bit Length: 19mm / 0.75-inch
* Shank Diameter: 1.8mm / 0.07-inch
* Total Length: 44mm / 1.73-inch
* Rock Well Hardness Grade: 63-66 HRC
* Material: High-Speed Steel 6542

What Is Included:
* 5 Pieces x Twist Drill Bit

Applications & 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.

Useful Tips:
--- Please keep cool and gentle use, the correct use can greatly extend the life of the twist drill.