This part of ISO 603 specifies the nominal dimensions, in millimeters, of:
— Type 1: Straight grinding wheel
— Type 4: Wheel tapered on both sides
— Type 16: Cylindrical plug, tapered cone
— Type 18: Cylindrical plug, flat end
— Type 18R: Cylindrical plug, round end
— Type 19: Cylindrical plug, taper-roll shaped
These bonded abrasive products are intended to be used for deburring and fettling of any surfaces of a workpiece using hand-held grinding machines (straight grinder). The workpiece is fixed, the grinding machine is guided by hand.