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STN is a protected designation of Slovak national technical standards.
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WITHDRAWN published on 1.1.2006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WITHDRAWN published on 1.9.2001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:Fasteners - Tightening performance - Torque/Angle simplified test method
Standard published on 1.9.2005
Selected format:Fasteners. Clearance holes for bolts and screws
Standard published on 1.6.2001
Selected format:Clearance holes for bolts
WITHDRAWN published on 1.5.1966
Selected format:Deepness of holes for stud bolts
Standard published on 1.2.1995
Selected format:Screw assemblies
WITHDRAWN published on 1.4.1969
Selected format:Latest update: 2026-03-30 (Number of items: 2 269 988)
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