Description
- Multiple Applications: The 6-piece set of 3-blade 90-degree countersink drill bits is suitable for processing on metal and certain non-metal materials, suitable for coal steel, light iron, insulation board, fiberboard, plastic, PVC board, hardwood and softwood, etc
- Specifications: Head diameter * handle diameter * length 6.3MM: 6.3mm*5mm*45mm. 8.3MM: 8.3mm*6mm*50mm. 10.4MM: 10.4mm*6mm*50mm. 12.4MM: 12.4mm*8mm*6.52mm 16.5mm *10mm*60mm. 20.5MM: 20.5mm*10mm*65mm
- Sharp: The titanium-plated countersunk drill bit has extraordinary sharpness and significantly improves the processing accuracy of round holes. Not only does it have high cutting efficiency, but it also maintains excellent durability over a long period of time
- Surface Finishing: High-quality countersunk drill bits are selected to effectively remove burrs on the processed surface, leaving a smooth and traceless finished surface. Compatible with various ordinary drills, including vertical drills
- Metal Countersink Bit for Steel: The blade made of high-speed steel is sharp and highly wear-resistant, tough and continuous, making the drilling operation fast and accurate, and the surface of the drilled hole is smooth and beautiful