Expo Tools HSS Titanium Coated Twist Drill Bits (4.0mm) x10

10400TC Pack of Ten Premium HSS Titanium Coated Twist Drills (3.9mm). Enhance your drilling precision with our pack of ten high-quality HSS (High-Speed Steel) titanium-coated twist drills. These 3.9mm drill bits provide exceptional durability and superior performance, making them ideal for detailed and demanding tasks.