This part of ISO 603 specifies the nominal dimensions, in millimeters, of:
— Type 1: Straight grinding wheel
— Type 5: Wheel recessed on one side
— Type 7: Wheel recessed on both sides
— Type 20: Wheel relieved on one side
— Type 21: Wheel relieved on both sides
— Type 22: Wheel relieved on one side and recessed on the other side
— Type 23: Wheel relieved and recessed on one side
— Type 24: Wheel relieved and recessed on one side and recessed on the other side
— Type 25: Wheel relieved and recessed on one side and relieved on the other side
— Type 26: Wheel relieved and recessed on both sides.
— Type 38: Hubbed wheel
— Type 39: Double hubbed wheel
These bonded abrasive products are intended to be used for the grinding of plane surfaces where the workpiece is secured to a reciprocating table. The workpiece and the grinding wheel are mechanically guided.