Bordo 25 Piece Black HSS Jobber Set 1.0-13.0 x 0.5mm 2003-M3-C18Bordo Metric 25 Piece Black Knight M2 HSS Twist Drill Set 1. 0 13. 0mm x 0. 5mm rises DIN338 118 Split Point (crankshaft point) Split point is self centering and reduces the need for end thrust. Friction at workpiece is reduced. 118 point angles are ideal for use in materials such as mild steel and cast iron. The 118 point creates easily controlled chips which are wide and thin. Black Finish Twist Drills (also called blue finish) achieve their