- Nose diameter: 22mm
- Cutting depth: 25mm
- Equipped with a 6mm center drill (can be omitted)
- Super hard alloy cutting blades are steel or stainless steel
- The other is called a hole or hole piercing mechanism makes a hole a hole in the circle
- The tail is shaped like a pair of cylinders with a pair of 3-spoke heads
- Use a variety of drilling machines such as table drills, magnetic drills, pipe drills, drill need ...
- No need to drill prey
- Many holes have been cut, processing speed is much faster with twist drill.






























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