Attributes:
* Twist Drill Bits Diameter: 9.8mm / 0.39-inch
* Drill Bit Length: 85mm / 3.35-inch
* Shank Diameter: 9.8mm / 0.39-inch
* Total Length: 133mm / 5.24-inch
* Rock Well Hardness Grade: 63-66 HRC
* Material: High-Speed Steel 6542
What Is Included:
* 1 Piece 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.