20° Pressure Angle, Module M0.7, Hss Tmx Involute Gear Cutter, 40Mm Diameter, 16Mm Arbor Hole, Cutter # 4 For 21-25 Range Of Teeth. Tmx Toolmex Made In Poland Part # 5-862-0074

• Involute Gear Cutters, 20 Degree Pressure Angle
• Used to mill spur gears with a 20 degree pressure angle
• For each Module listed, 8 cutters are required to produce a full set of gears from 12 teeth to a rack
• These cutters may be sharpened repeatedly without changing the original form
• Made From M2 High Speed Steel