Standards ensure the reliability, durability, and compatibility of fasteners, including nuts, bolts, screws, and threads. They define specifications for dimensions, tolerances, materials, and coatings, supporting precision engineering and global interoperability.

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Sample standards

ISO 965-4

ISO general purpose metric screw threads — Tolerances
Part 4: Limits of sizes for hot-dip galvanized external threads to mate with internal threads made to tolerance position H or G after galvanizing

Published in 2025
CHF 43
ISO 965-5

ISO general purpose metric screw threads — Tolerances
Part 5: Limits of sizes for internal threads to mate with hot-dip galvanized external threads with maximum size of tolerance position h before galvanizing

Published in 2025
CHF 43
ISO 965-2

ISO general purpose metric screw threads — Tolerances
Part 2: Limits of sizes for internal and external threads (tolerance classes 6H and 6g for M1,6 to M100 and 5H and 6h for M1 to M1,4)

Published in 2024
CHF 65
ISO 965-1

ISO general purpose metric screw threads — Tolerances
Part 1: Principles and basic data

Published in 2013
CHF 132
ISO 898-1

Mechanical properties of fasteners made of carbon steel and alloy steel
Part 1: Bolts, screws and studs with specified property classes — Coarse thread and fine pitch thread

Published in 2013
CHF 199
ISO 10664

Hexalobular internal driving feature for bolts and screws

Reviewed in 2024
CHF 65
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  3. Engineering
  4. Fasteners