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99-Piece HSS Titanium Coated Drill Bit Set – 1.5mm to 10mm
【 99 pieces 】 in 14 sizes, from 1.5mm to 10mm (0.06" to 0.39") — fits most drills.
【 HSS with titanium coating 】 tougher than plain HSS, with better wear and heat resistance for a longer life.
For wood, plastic and general metal. Titanium coating is a surface treatment — the bits are high speed steel underneath, and the coating wears off with resharpening. Use cutting fluid on metal and let the bit do the work. Wear eye protection.
