6-piece set of triangular shank drill bits designed for woodworking and grooving. Compatible with bench drills, electric drills, and lithium-ion drills.
Material: bearing steel
Surface treatment: titanium plating
Recommended drill speed: 200-800 RPM
Cannot drill stainless steel
Suitable for wood, aluminum, plastic sheets, and thin iron
Not suitable for high-hardness materials like galvanized sheets and triangular iron
Easily bevels without burrs
One drill bit can replace multiple twist drills of different sizes
