Standardized Sockets for Screws for Bolts

These standards from ISO and SAE cover standardized screw socket requirements sorted by head.

 Back to fastener standards for screws, bolts, and studs Home
 Hex Socket
 Hexalobular Socket
 Cross Socket
 Slotted Socket

Hex Socket

ISO 8676:2022
ISO 10642:2019
ISO 10642/Amd1:2012
ISO 12474:2010
ISO 4026:2003
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Hexalobular Socket

ISO 10664:2014
ISO 14579:2011
ISO 14580:2011
ISO 14583:2011
ISO 14584:2011
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Cross Socket

ISO 4757:1983
ISO 7048:2011
ISO 7046-1:2011
ISO 7046-2:2011
ISO 7047:2011
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Slotted Socket

ISO 1207:2011
ISO 1580:2011
ISO 2009:2011
ISO 2010:2011
ISO 4766:2024
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