Profile: Bingham Precision Engineers Ltd. is a provider of precision engineering services. We mainly offer CNC turning, precision CNC milling, prototype engineering work, small batch engineering, and high tech components. We maintain a wide range of materials including plastics, aluminum, brass, copper, mild steel, titanium, stainless steel, stainless steel alloys, and nickel alloys. We also finish and machine aluminum, stainless steel, and soft iron castings. The teeth on our helical gears are cut at an angle to the face of the gear. The contact starts at one end of the tooth, and gradually spreads as the gears rotate. Our helical gears are similar to spur gears, except that the gear's teeth are at an angle to the axis of the gears. A helical gear is termed right handed or left handed, by the direction towards which the teeth slope away from the viewer.