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STN is a protected designation of Slovak national technical standards.
Undercuts of external metric thread
WITHDRAWN published on 1.9.1987
Selected format:Undercuts of internal metric thread
WITHDRAWN published on 1.9.1987
Selected format:Cross recesses for screws
Standard published on 1.7.2001
Selected format:Cross recesses for screws
WITHDRAWN published on 1.1.1988
Selected format:Slots for screws. Dimensions
WITHDRAWN published on 1.1.1980
Selected format:Fasteners. Hexagon products. Widths across flats
Standard published on 1.6.2000
Selected format:Gauging of hexagon sockets (ISO 23429:2004)
Standard published on 1.10.2004
Selected format:Hexalobular internal driving feature for bolts and screws (ISO 10664:2014)
Standard published on 1.4.2015
Selected format:Hexalobular internal driving feature for bolts and screws (ISO 10664:2005)
WITHDRAWN published on 1.1.2006
Selected format:Hexalobular internal driving feature for bolts and screws
WITHDRAWN published on 1.9.2001
Selected format:Latest update: 2026-01-11 (Number of items: 2 254 176)
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