Screw Extractor Material ID: 8430220 Screw extractor is used counter-clockwise to remove broken right-handed bolts from threaded holes without damaging threads. Its necessary to drill guide hole of proper size before using the extractor. High quality carbon steel Able to withstand flex and high torque loads experienced during operation Left Hand spiral flutes Allows Anti-Clockwise rotation to extract broken screws Square Shank Too allow use with standard Tap Wrench Description Product name M9009 Bolt size M45 - M50 Drill size for low or medium tensile screws - millimeters 27 mm Drill size for high tensile screws +75 tons/sq.inch - millimeters 28 mm Bolt size imperial 1.3/4 - 2.1/8 Drill size for low or medium tensile screws - inch 1.1/16 Drill size for high tensile screws +75 tons/sq.inch - inch 1.3/32 Cutting diameter step - millimeter 24.61 mm Cutting diameter second cutting step - millimeters (DC_2) 32.3 mm Clamping width - millimeter (WSC) 24.6 mm Clamping Length - millimeter