Features: Bright (uncoated) High Speed Steel Tool Material ANSI ? Tap Standards 6D Usable Tool Depth to Diameter Ratio Drill Point 135 Cylindrical Shank / Straight Shank Right Hand Rotation / Cutting Precision Twist Drill QC91P taper length drills are available in a range of fractional and wire gauge diameters and are manufactured from High Speed steel, suitable for drilling in many materials including steel, stainless steel and aluminum. The bright finish prevents workpiece material from sticking to the cutting edges of the tool for a clean and accurate hole, whilst the 135 degree split point helps with self-centering for a rounder hole. With a specially designed parabolic flute, QC91P taper length drills can drill deeper holes in a single pass. Details: EAN number: 086071579447 EDP number: 057944 Product name ISO: QC91P11/16 Ordering code ANSI: QC91P11/16 Gross weight - grams: 334 Cutting diameter - fractional inch (DC): 11/16 Cutting diameter - inch (DC): 0.6875 inch Cutting diameter - millimeter (DC): 17.46 mm Length chip flute - fractional inch (LCF): 5.3/8 Overall length - fractional inch (OAL): 9.1/4 Overall length - inch (OAL): 9.25 inch Overall length - millimeter (OAL): 234.95 mm ANSI: QC91P11/16 ISO: QC91P11/16