Sunflower Chamfering Knife Deburring Conical Drill Bit for Wood Aluminum Plastic 4 Pieces (Gold)4 Specifications: 2-5mm, 5-10mm, 10-15mm, 15-20mmHSS 4241 below 65 HRC: HSS 4241, high hardness, wear resistance, fast cutting speed, sharp edge. Suitable for materials with hardness less than 65 HRCDesign 90 degree design: countersink drill has the advantages of wear-resistant and long-lasting bevel concentricity, beautiful chamfers, etc.Design Angle Design: Anti-rust and anti-corrosion. The blade strength and sharpness are increased by using a large core diameter, and the tool rigidity, milling and cutting capabilities are also enhanced. Suitable for all common drill bits: Hilti, Bosch, Makita, Hitachi, Fein, AEG, Metabo, DeWalt, Schwarz & Decker, Brder Mannesmann, Kress, Wolfcraft, Einhell, Milwaukee, Flex and other brands (use anti-rust oil)HSS Deburring Tool Deburring tools are used for cutting steel, wood, plastics with hole diameters from 2 mm to 20 mm.Cutting and Deburring Tool:Suitable for workpieces with hardness less than 25, such as aluminum, insulation boards, PVC boards.Clean and smooth cuts with both drill bits and hand drills without chattering or tearing.Material: High Speed Steel.Dimensions:2 to 5 mm - Length: 4.5 cm. 5-10mm - Length: 4.7cm. 10-15mm - Length: 6.2cm. 15-20mm - Length: 8.2cm. Color: Gold Contents: 1 Set of 4 Deburring Drill Bits. Note: The color of the actual item may vary from the picture depending on your computer's brightness and display settings. Please allow 1-3cm error.