Features: Upgrades your drilling and tapping efficiency with the 4flute serrated eccentric drill bit featuring titaniums coating for enhances durability and heat resistance, ideal for metal, wood, and plastic applications. The steel construction pair with a precise engineered titaniums coated surfaces ensures sharply edges and prolonged performances, while the unique thread cutting design delivers clean, smooth result. Design for professional contractors, DIY enthusiasts, and hobbyists seek reliable screwdriver bit for heavy dutys projects or quick repairs in workshops, garages, or home improvement tasks. Tackle automotive repairs, furniture assembly, or machinery maintenance effortlessly with this versatilitys screwdriver bit set, compatible for standard drills and driver. Optimizes your toolkit with multiple size option of these serrated eccentric drill bit, ensuring precise thread creation and unmatched adaptability across construction, woodworking, crafting scenario. Specifications: Component:Steel Bit Size:Approx.4mm, 5mm, 6mm, 8mm, 10mm, 12mm Length:Approx.87-120mm/3.43-4.72inch Multifunctional hard eccentric drill bit, easy to drill, will not damage the tiles, hard and wear-resistant. Accurate positioning and fast drilling, just install it on the electric drill to use! Package Includes: 6pcs Drill Bit note: Please allow 1-2cm errors due to manual measurement. Due to the differences between different monitors, the picture may not reflect the actual item color.