- Precision-engineered HSS center drill bit set with TiN coating for extended lifespan and reduced friction - TiN coating on high speed steel (HSS) reduces wear and lowers cutting friction, delivering longer tool life and smoother performance - 60-degree pointed tip provides accurate centering and clean drilling in wood, metal, and plastic materials - Six versatile sizes from 1.0 to 5.0 mm cover common hole-making needs in woodworking and DIY projects - Automatic hole cutter design enhances stability and prevents wandering for clean, professional results Key specifications - Material: High speed steel (HSS) - Coating: Titanium nitride (TiN) - Tip angle: 60 degrees - Size range: 6 sizes, 1.0 mm to 5.0 mm - Application: Woodworking, metalworking, plastic projects Why you need this - Longer tool life: TiN coating reduces wear, extending the usable life of each bit - Better alignment: 60-degree tip ensures precise centering, reducing misdrills - Versatile material compatibility: Suitable for wood, metal, and plastic drilling - Stable and accurate: Automatic hole cutter design minimizes wandering for consistent results Practical use scenarios - Woodworking and furniture making: Pre-drill pilot holes for dowels or hardware with precise centering to ensure strong joints - Metalworking and fabrication: Start clean holes for fasteners in brackets or spacers without wandering - DIY plastic projects: Create accurate guide holes in plastic housings or enclosures for reliable assembly This description preserves the original product features and functions while presenting them in a clear, customer-focused format that highlights benefits, specifications, and practical applications.