scope:

This International Standard specifies the dimensions and designation of countersinks for countersunk head screws with a head configuration in accordance with ISO 7721. This International Standard is applicable to the following types of screws: - slotted countersunk flat head screws according to ISO 2009; - slotted countersunk raised head screws according to ISO 2010; - slotted countersunk flat head tapping screws according to ISO 1482; - slotted countersunk raised head tapping screws according to ISO 1483; - cross-recessed countersunk flat head screws according to ISO 7046-1 and ISO 7046-2; - cross-recessed countersunk raised head screws according to ISO 7047; - cross-recessed countersunk flat head tapping screws according to ISO 7050; - cross-recessed countersunk raised head tapping screws according to ISO 7051; - cross-recessed countersunk flat head drilling screws according to ISO 15482; - cross-recessed countersunk raised head drilling screws according to ISO 15483; - hexalobular socket countersunk raised head screws according to ISO 14584; - hexalobular socket countersunk flat head tapping screws according to ISO 14586; - hexalobular socket countersunk raised head tapping screws according to ISO 14587.