A steel machine tap with a TiNi coating, available as gun nose (spiral point) sizes M3-M16 and spiral flute sizes M6-M8 for everyday metric thread work.Key specs Material: steel Coating: TiNi Thread standard/pitch: M3 x 0.5 Compatibility / fitmentRequires a tapping machine/CNC with the matching thread size and pitch — confirm drive/thread spec.Application / use caseThe TiNi coating gives day-to-day protection against wear and mild galling, suiting this as the workhorse tap for mild steel, aluminium and other easy-machining materials in general fabrication. Gun nose sizes push chips forward for quick, continuous through-hole tapping, while the M6 and M8 spiral flute sizes pull chips back out of the hole and are the pick for blind-hole threading where chip evacuation forward isn't possible.