1. ISO9001: 2000 registered. 2. Grade: Can up to GB8, ISO8, JIS4, AGMA8, DIN8. 3. Module: 0.3-1.5M, Max. Diameter: 150mm. Product Line Summary ... ,AT5,AT10,AT20.HTD Pulleys, Taper Bushed, QD optional :HTD-2M,3M,5M,8M,14M,20M,S2M,S3M,S4.5M,S5M ... , POM, and other standard machineable material. 2. Grade: Can up to GB8, ISO8, JIS4, AGMA8, DIN8. 3. Module: 0.3-1.5M, Max. Diameter: 150mm ...