HSS 4241 ConstructionMade from HSS 4241 for reliable performance in a practical step drill bit set.
Titanium-Plated FeatureTitanium-plated cutting surfaces help support smoother drilling and everyday durability.
Three Useful Size RangesIncludes bits marked 4-12, 4-20 and 4-30 for versatile hole sizing from one set.
Progressive Step DesignThe stepped profile helps enlarge holes gradually for better control during drilling.
Organised Storage CaseComes packed as a 3-piece set in a compact case to keep the bits protected and easy to access.