6pcs/Set Triangular Shank Drill Bits Woodworking Grooving Saw Drill Set(bagged)

1. Material: bearing steel
2. Surface treatment: titanium plating
3. Suitable for bench drills/electric drills/lithium-ion drills, etc. Water cooling during operation effectively extends drill bit lifespan. Recommended drill speed: 200-800 RPM (cannot drill stainless steel).
4. Suitable for wood, aluminum, plastic sheets, thin iron, and other materials with low hardness. High-hardness materials such as galvanized sheets, galvanized pipes, and triangular iron cannot be used (triangular iron is generally made from various scrap iron and steel and contains many impurities).
5. Easily beveles without burrs. One drill bit can replace multiple twist drills of different sizes, avoiding frequent drill bit changes and low efficiency.
6. Sharp and wear-resistant, combining sawing and drilling. When sawing, cut against the direction of the drill's rotation.
7. Universal shank diameter, suitable for a wide range of models, sturdy and durable, and less prone to slippage.