This Spiral Thread Screw is perfectly fit for your device, it is a spiral flute tap for tapping deep blind holes. This spiral screw has 3-4 mm thickness and it is suitable for soft metal knocking like the aluminum plate. It is easy to put on your motor drill device and it is easy to remove without any hassle.
- Materials: High-speed steel shank
- Quick change hex metric: M3, M4, M5, M6, M8, and M10