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DS/EN ISO 10664:2014
Hexalobular internal driving feature for bolts and screws (ISO 10664:2014)
This International Standard specifies the shape and basic dimensions of the hexalobular internal driving*feature for bolts and screws, including the gauging method.*The curvature of the contour of the hexalobular internal driving feature is defined by the gauges specified in*Tables 3, 4 and 5. Additional information which can be used when drawing the contour is given in Annex A.*The intent of this International Standard is to provide the details necessary for inspection of the hexalobular*driving feature. It is not suitable for, nor intended to be used as, a manufacturing standard.
Danish Standards [ds]