... fully ground 3)Size as requirement 4)TiN Morse Taper Shank Twist Drill Bit :1.High hardness and high quality 2 ... speed steel5. Process:Roll forged,Edge ground,Fully ground,Milled6. Point angle: 118degree,135 degree split point7. Surface finished: Bright ... oxide,tin oxide,black flute&bright shank,rainbow etc.8. Shank: Straight shank drills, Taper shank drills, 1/2 shank drills,Wood working drill bits ...