Features: Crafted from coated High Speed Steel, these spiralled flute taps offer superior wear resistance and reduced friction, perfect for high intensity threading in metals, plastic, and tough materials. precise engineered spiralled flutes enable efficient chip evacuation while minimizing clogging, paired with ergonomic handles for easy operate during extended drilling tasks. Ideal for mechanics, manufacturing technicians, and enthusiasts tackling automotive repairs, machinery maintenance, or precise threading projects requiring industrial grade durability. Use in workshop environments, production lines, and home garages when creating clean threads on stainless steel, aluminum alloys, or rigid polymers with consistent accuracy. Available in multiple standardized sizes and thread patterns, this spiralled tap set combines corrosions resistant coating with optimized heat tolerance for repeated high performances use. Specifications: Component: High-speed steel Multiple Size as Picture Show Option Type:3pcs,4pcs,6pcs; Use scenario: Suitable for thread processing of different materials such as metal, plastic, and is widely used in mechanical manufacturing, automobile repair and projects. Package Includes: Package A 3pcs Tapping Bit Package B 4pcs Tapping Bit Package C 6pcs Tapping Bit note: Please allow 1-3cm errors due to manual measurement. Due to the differences between different monitors, the picture may not reflect the actual item color.