This part of ISO 7787 specifies the shape and dimensional characteristics, number of blades, type of toothing and run-out for the ten most common miniature carbide laboratory cutters, which are predominantly used in the dental laboratory.
BS EN ISO 7787-4:2002 history
2002BS EN ISO 7787-4:2002 Dental rotary instruments - Cutters - Miniature carbide laboratory cutters