Description
1. Made of 6542 HSS (High Speed Steel) steel. With high hardness, wear-resistant, and fast drilling performance.
2. With the twisted design, it can improve cutting accuracy by centering the tip. It can avoid displacement of the drill bit during work, and at the same time remove debris and particles faster and easier.
3. Suitable for drilling hard materials and hard metals such as cast iron, hard plastics, but also soft materials. When it doesn't penetrate, try adjusting the RPM.
4. Please keep cool and gentle using, the working life of the twist drill bits can be largely prolonged by proper usage.

Specifications
Material: 6542 HSS (High Speed Steel)
Shank Type: Round Shank
Twist Drill Bits Diameter: 10.5mm / 0.41-inch
Drill Bit Length:150mm / 5.91-inch
Shank Diameter: 10.5mm / 0.41-inch
Total Length: 200mm / 7.87-inch

Package Content:
1 Pcs Straight Shank Twist Drill Bit

Notice:
1. Please keep cool and gentle using, the working life of the twist drill bits can be largely prolonged by proper usage.
2. When using a hand-held electric drill, pay attention to speed adjustment. The recommended work speed is 100-1000r/min. The larger the drilling diameter, the slower the drilling speed should be chosen.
3. When the chip evacuation has problem, go back and remove the chips in time.