RUKO Drill Set – HSSE-Co5 TiN in 0.5mm Steps

RUKO Drill Set – HSSE-Co5 TiN in 0.5mm Steps

This premium 19-piece drill set features titanium nitride coating for extended tool life. The cobalt-alloyed HSS (HSSE-Co5) withstands high-temperature drilling. Sizes from 1mm to 10mm in 0.5mm increments provide precise hole sizing. The 135° split point geometry reduces thrust pressure. The parabolic flute design enhances chip evacuation. The plastic index case keeps bits organized and protected. Ideal for drilling stainless steel, alloy steels, and tough materials. The gold TiN coating reduces friction and heat buildup. The precision-ground cutting edges ensure accurate hole dimensions. Meets DIN 338 standards for drill bit quality. A professional-grade set for demanding metalworking applications.