HSS Metric Spiral Point Machine Screw Tap Drill Sizes: M3, M4, M5, M6, M8 Features - High hardness HSS material with titanium coating for fast cutting and long tool life - Spiral point design with spiral flutes to evacuate chips upward - Metric thread tapping optimized for machining operations - Built for reliability in challenging materials and demanding conditions Benefits - Faster cutting and longer tool life thanks to titanium coated HSS - Efficient chip evacuation reduces clogging and improves hole cleanliness - Accurate threads in metric M3 to M8 range - Suitable for difficult chip flow projects, including sticky materials and difficult-to-tap holes Key attributes - Function: taps machine screw threads in metric sizes - Compatibility: designed for M3, M4, M5, M6, M8 hole sizes - Material: high hardness HSS with titanium coating - Performance: high cutting efficiency, reliable operation in blind hole tapping and challenging materials Use scenarios - Tapping blind holes in metal brackets or housings where chip removal is critical - Tapping sticky or prone-to-galling materials to prevent chip packing and thread defects - General machine screw tapping tasks in the M3 to M8 range for metalworking projects