Drill Bit, Size (In.) 3/16, Decimal Size (In.) 0.1875, Drilling Depth (In.) 2-5/16, Overall Length (In.) 3-1/2, Steel, Titanium Finish, Features 135 Degrees Degree Split Point- Precision Start No Walking, Thunderbolt(r) Web-Provides Longer Life and Faster Drilling Times, Parabollic Flute- Clears Chips Faster, Titanium Coating- Keeps The Bit Sharp