Buy precision balls for your power transmission needs here! Available in diameters as small as 1/8", imperial (or inch) precision balls can be manufactured to up to diameters of 2". Besides power transmisson, precision balls are used in a wide array of products and processes, such as in aerosol spray paints. Our precision balls are machined to a smooth and mirror finish surface. The tolerance for all our precision balls is Grade 500, making them suitable for general purpose use. Buy a precision ball from your trusted supplier here in Singapore!