Unique design integrated into the tool ensures efficient debris removal for faster and more effective performance. Pro+ quality construction provides durability for long-lasting use in daily applications. Specifications: 6.3mm / 8.3mm / 10.4mm / 12.4mm / 16.5mm / 20.5mm Universal use for mortising and deburring without leaving chatter marks. Leaves a clean, polished finish. Compatible with all major brands including Hilti, Bosch, Makita, Hitachi, Fein, AEG, DeWalt, Black & Decker, Metabo, Brüder Mannesmann, Kress, Wolfcraft, Einhell, Milwaukee, and Flex. Product Features: 1. 90° three-flute design with three beveled cutting edges 2. Pro+ quality for extended tool life in daily use 3. Universal compatibility for mortising and deburring applications 4. Leaves a smooth, polished surface without chatter marks Technical Specifications: - Size: 6.3mm / 8.3mm / 10.4mm / 12.4mm / 16.5mm / 20.5mm - Cutting Angle: 90° three-facet cutter - Flute Design: Three-facet edge - Material: High-speed steel (HSS) - Quantity: 6 pieces - Shank Type: Round shank Head Diameter x Shank Diameter x Length: - 6.3mm: 6.3mm x 5mm x 37mm - 8.3mm: 8.3mm x 6mm x 40mm - 10.4mm: 10.4mm x 6mm x 39mm - 12.4mm: 12.4mm x 10mm x 46mm - 16.5mm: 16.5mm x 10mm x 47mm - 20.5mm: 20mm x 10mm x 47mm Package Includes: 6 x 3-Flute Cutting Mill Bits – 90° HSS Chamfer Milling Cutters