Pagoda Drill Bit High Speed Steel Opener Triangle Handle Stairs Drill Bit(5 In 1 Boxed)

1. Material: high speed steel2. Outer edge angle: about 138 degrees3. Chip flute length: about 25mm4. Cutting diameter: about 56mm5. Blade diameter: about 26mm6. Shank diameter: about 6.35mm7. Weight: about 450g/box8. Box size: about 15.2x10.7x4.2cm