
Dewalt 21-Piece Titanium Nitride Drill Bit Set (imperial)
Summary Durable, fast-cutting imperial TiN-coated HSS drill bits in a sturdy case, delivering reliable performance for general metal and wood drilling. Findings From a professional vantage, the DEWALT DW1342 set feels robust and trustworthy in daily use. The titanium nitride coating provides noticeable wear resistance, helping the edge stay sharp longer when drilling through mild steel and aluminium at sensible speeds, and it also reduces heat build-up which translates into faster cuts and fewer dwell times between holes. The tips seat true and begin without wandering, and the edges maintain a clean edge after multiple holes, provided you use the correct feed rate and adequate lubrication for metal work. The 21 imperial sizes are a practical spread for most on-site tasks, with quick-access labelling and a compact case that fits neatly in a toolbox or under a bench. Overall, it represents solid value for money for a professional toolkit, delivering dependable performance for everyday drilling tasks without premature edge dulling. ...


