Description:
1. Made of high-speed steel, with high hardness, heat resistance, wear resistance, durability and long service life.
2. The jobber extended drill is suitable for a wide range of applications, allowing you to access hard-to-reach areas where ordinary drills cannot. High hardness, sharp twist drill bits will make drilling easier and more efficient.
3. Split point tip and twist design increases cutting speed while easily self-centering to prevent movement. The twisted design of the drill bit quickly removes drilled chips, then leaving a smooth hole.
4. Please keep it cool and gentle when using it, the correct use can greatly extend the life of the twist drill.
5. For drilling on thin aluminum, copper, wood, PCB board. Not suitable for concrete, masonry and stainless steel.

Specification:
Material: HSS(High Speed Steel)
Flute Type: Spiral
Drill Bit Diameter: 0.3/0.35/0.4/0.45/0.5/0.55/0.6/0.65/0.7/0.75/0.8/0.85/0.9/0.95/1/1.2/1.3/1.4/1.5/1.6mm
Flute Length: 0.3/0.35/0.4/0.45/0.5/0.55/0.6/0.65/0.7/0.75/0.8/0.85/0.9/0.95/1/1.2/1.3/1.4/1.5/1.6mm
Shank Diameter: 1.41/1.41/0.93/0.76/0.96/0.76/0.76/0.96/0.77/0.56/1.40/0.56/0.56/0.96/0.96/0.76/0.56/0.77/0.54/0.56mm
Total Length: 23.5/32/32.5/38.5/34/23.5/34.3/23.5/32.5/32.3/32.3/38.6/34.2/34.1/38.4/32.2/32.2/23.5mm

Package Content:
20 x Mini Drill Bits