Description Make precise and neat holes through thin materials up to 1/8 in with the handy Bosch drill bit. Its speed-helix design ensures fast penetration, which makes drilling easy and prevents heat-induced damage. The self-starting point starts on contact. Choose the titanium-coated drill bit for a smooth experience and durable performance life. Titanium drill bits last 6X longer than High Speed Steel bits Super hard titanium nitride coating protects bits from chipping and cracking Speed helix design penetrates 3X faster than standard bits Lasts 6X longer than high speed steel