TOOLSTAR Cobalt Countersink Drill Bit, Countersink Drill with Hole 4PCS Deburring Chamfer Drill Bit Set Wood Metal Plastic Drill Bit 2-5mm 5-10mm 10-15mm 15-20mm (SILVER) - Product Features
- Material: HSS (4241), titanium coated
- Shaft type:Round shaft
- Sizes: 2-5mm,5-10mm, 10-15 mm, 15-20mm
- Ideal for cutting through metal, wood and plastic (hardness <25 degrees)
- Used for workpiece circular aperture chamfering or cone hole