Loading…

High Hardness Solid Carbide Flat Bottom Drill Bits for Aluminium. High Hardness Material: Tungsten carbide with HRC 55-58 hardness and 3200-4200 HV. Wide Size Range: Flute diameter 0.3-40mm and overall length 38-330mm available. Advanced Coating Options: Available in AlTiN, TiAlN, TiSiN, DLC, and Diamond coatings. OEM and ODM Service: Full customization, minor customization, and design-based options available. Fast Delivery: Standard delivery time within 3-5 days. Multi-Material Compatibility: Suitable for copper, cast iron, steel, titanium alloy, and heat-treated steel. Strict Quality Control: 100% inspection including visual and function tests for all finished products.