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ČSN is a protected designation of Czech national technical standards.
WITHDRAWN published on 28.9.1987
Selected format:Undercuts of internal metric thread
Standard published on 28.9.1987
Selected format:
WITHDRAWN published on 2.9.1976
Selected format:Fasteners. Cross recesses for screws (ISO 4757:1983)
Standard published on 1.5.1996
Selected format:
WITHDRAWN published on 4.1.1988
Selected format:Slots for screws. Dimensions
Standard published on 22.1.1980
Selected format:High-strength structural bolting assemblies for preloading - Part 1: General requirements
Standard published on 1.6.2019
Selected format:High-strength structural bolting assemblies for preloading - Part 2: Suitability for preloading
Standard published on 1.6.2019
Selected format:High-strength structural bolting assemblies for preloading - Part 3: System HR - Hexagon bolt and nut assemblies
Standard published on 1.6.2019
Selected format:High-strength structural bolting assemblies for preloading - Part 4: System HV - Hexagon bolt and nut assemblies
Standard published on 1.6.2019
Selected format:Latest update: 2026-06-26 (Number of items: 2 284 409)
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