Description
1. Made of high speed steel. HSS (High Speed Steel) makes the drill body harder and can last longer drilling life.
2. With the twisted design, cutting accuracy can be improved by centering the tip. It can avoid moving of the drill while working while removing dirt and particles faster and easier.
3. Suitable for processing non-ferrous metals such as copper and aluminium as well as for hard plastics. If it cannot penetrate, try to adjust the RPM.
4. Please use cool and gently, the life of the twist drill bits can be significantly extended by proper application.
Technical details:
Material: HSS (high-speed steel).
Shank Type: Round Shank
Twist drill diameter: 6.5 mm / 0.26 inches.
Drill length: 100 mm / 3.94 inches.
Shaft diameter: 6.5 mm / 0.26 inches.
Total length: 160 mm / 6.3 inches.
Package contents:
:
6 Piece Straight Shank Twist Drill Bit
Note:
:
1. Please use cool and gently, the life of the twist drill bits can be significantly extended by proper application.
2. When using a hand drill, pay attention to the speed setting. The recommended working speed is 100-1000 rpm. The larger the drilling diameter, the slower the drilling speed should be selected.
3. If the chip removal has a problem, go back and remove the chips in time.