Features: Steam Tempered (Steam Oxide) Surface Treatment High Speed Steel Tool Material ANSI ? Tap Standards 4D Usable Tool Depth to Diameter Ratio Drill Point 118 Morse Taper Shank Right Hand Rotation / Cutting Precision Twist Drill S209 reduced taper shank drills are very versatile and can be used in many machining applications where the drill is held directly in the spindle. The ?S? stands for the smaller taper type. They are available from 1/2 inch to 2 inches and have a conventional 118 degree point for strength and easy re-grinding, and a steam oxide finish which prevents workpiece material from sticking to the cutting edges of the tool for clean and accurate holes. Made from premium High Speed Steel, S209 reduced taper shank drills can be used for drilling many materials including steel, aluminum and stainless steel. Details: EAN number: 086071231482 EDP number: 023148 Product name ISO: S2091.3/4 Ordering code ANSI: S2091.3/4 Gross weight - grams: 2620 Cutting diameter - fractional inch (DC): 1.3/4 Cutting diameter - inch (DC): 1.75 inch Cutting diameter - millimeter (DC): 44.45 mm Length chip flute - fractional inch (LCF): 10.3/8 Overall length - fractional inch (OAL): 16.1/4 Overall length - inch (OAL): 16.25 inch Overall length - millimeter (OAL): 412.75 mm ANSI: S2091.3/4 ISO: S2091.3/4