Drive Shaft Parts High Accuracy Friction disc Application: It is an important part of the drive shaft and steel shaft. It is widely used in office equipment such as inkjet, printer and copier. Features: stainless steel plate etched into 0.1 mm-0.3mm convex, convex surface diameter is uniform, high accuracy requirements, semi-etching surface is smooth and delicate. Material: SUS 304, thickness: t=0.4 mm Manufacturing capacity: Convex diameter :0.03 mm -0.09mm, accuracy ±0.015; Etching depth :0.1 mm-0.3mm, Precision of depth etching :±0.015 mm