Multifunctional Compound Tap Screwdriver Set | M3 - M10 Cobalt HSS Tapping & Drilling Bits | Hex Shank Spiral Design for Iron/Copper/Aluminum | 6 - Piece Kit with TIAIN Coating (M5*0.8 (TIAIN))

Produktbeschreibung

Dual-Purpose Efficiency - Compound tap screwdriver combines drilling and tapping in one process, reducing tool changes by 50% for faster metalworking projects. Ideal for DIY enthusiasts and skilled mechanics. Enhanced Cobalt HSS Construction - High-speed steel with 5% cobalt content delivers 3X longer lifespan than standard bits. TIAIN coating enhances heat tolerance up to 1100°F for extended service life. Designed Hex Shank Design - Spiral-fluted hex shank provides secure chuck grip with zero slippage during use. Ergonomic balance reduces hand fatigue during extended use. Complete Size Range - Includes M3-M10 (0.5-1.5mm pitch) sizes covering 90% of common threading needs. Each bit features etched size markings for quick identification. Multi-Material Compatibility - Accurate-ground cutting edges work flawlessly on iron, copper, aluminum and alloy metals. Comes with protective case to avoid damage to cutting edges.