Chicago-Latrobe Taper Length Drill Series: 120DH-TN, 3/32 in. Drill - Fraction, 0.0938 in. Drill - Decimal, 4-1/4 in. Overall Length, 3-7/16 in. Depth of Cut, 2 Flutes, Parabolic/Spiral Flute, 3/32 in. Shank Size, 135 Degree Point, K-Notch Split Point, Right Hand Cutting Direction, HSS Cutting Edge, TiN Coated, Applicable Materials: Low Carbon Steel and Mild Alloy Steel