About this item

【Superb Quality】Our countersink drill bits are made of premium steel and extra hard carbon steel and coated with titanium, and the cutting edge is hardened and honed for better sharpness. Durable and will not rust easily 【6 Different Sizes】Contains sizes 6.3mm, 8.3mm, 10.4mm, 12.4mm, 16.5mm, 20.5mm; the handle diameter, These universal sizes are compatible with different types of drilling machines, including vertical drilling machine, and/or common milling cutter 【Outstanding Performance】 With quick change, three-blade drilling with groove, 90° angle on the tip for accurate and proper milling, suitable for working metal and some non-metal materials 【Sharper and Stronger】 The drill bits set uses high-frequency quenching for heat treatment, high-density grinding, with titanium to prevent rust. High strength, good toughness. This kit is perfect for DIY in the office, workshop, home, and it can easily drill without stress or burr 【Various Uses】 These drill bits are widely used for wood openings, reaming, chamfering, etc. Also applies to MDF, plywood, acrylic, PVC board and soft metal such as aluminum, copper etc. Features: Durable and practical Ideal for wood board, fiberboard, particle board, plywood, plastic, edged aluminum. Suitable for various uses! DIY, home and building / engineering. For 90 ° chamfer workpiece hole or taper hole, chamfer edges and angles Can be completed to complete the taper processing. Applicable to small cutting process. Neat edges, smooth, no broken edge, low chamfering resistance, high precision for drilling, more durable Specifications: Material: HSS Surface treatment: titanium coating CUTTING: Head Diameter * Shank Diameter * Length 6.3mm * 5mm * 37mm 8.3mm * 6mm * 40mm 10.4mm * 6mm * 39mm 12.4mm * 8mm * 46mm 16.5mm * 10mm * 47mm 20.5mm * 10mm * 47mm Package Includes: 1 × 6pcs Three Chamfering Drill Bits