6-Pack HSS4341 Titanium Metric Hex Shank Screw Combination Tap Drill Set Drill Bits for Woodworking Drilling

feature

1. Drilling, tapping, deburring, and countersinking can be completed at one time, and the electric drill can be completed at one time, saving labor and time.
2. Self-centering point, no need for auxiliary center drilling or center punching.
3. Taps produce internal threads in pre-formed holes, which can be used with machines (such as drill presses) or with

hand tools.
4. Improved bottom chamfer with extra length to reduce chip load, extend tool life, and allow higher tapping speeds.
5. High-speed steel tools are suitable for most general-purpose applications, providing hardness and

Toughness and wear resistance.
6. Made of titanium-plated high-speed steel, high hardness, anti-rust, durable and long service life.
7. Suitable for drilling, tapping and cutting of soft metal, aluminum plate, iron, etc.