Muye 3PCS 1/4" Hex Shank Chamfer Countersink Drill Bits HSS 90 Degree Wood Chamfering Cutter Chamfer Countersink Deburring Drill Bit Tool

Features: Suitable for chamfering process the thin board, such as wood, PVC board, aluminium sheet, insulating plate or thin plastic sheet, etc 1. 100% Brand New and High Quality 2. Type : Hex Shank Chamfer 3. Material: Bearing Steel 4.Shank: Hexagon handle 5. Handle Diameter: 1/4" (6.35mm) 6. Quantity: 3 Pcs Specifications: 5/64" - 15/64" (1.98mm-5.95mm) 1/8" - 11/32" (3.175mm-8.73mm) 3/16" - 17/32" (4.76mm-13.5mm) Package Includes: 3 x Countersink and Deburring Tool Note: 1.Please allow 1-2mm errors due to manual measurement 2.Due to the difference between different monitors, the picture may not reflect the actual color of the item. Thank you! Special note: Due to the characteristics of bearing steel, the ability to maintain hardness at high temperatures during processing is not strong. Therefore, during the processing, attention should be paid to water cooling while processing, and the rotation speed should not be too high.