About

Scope

Standardization of series of internationally interchangeable fastening and traversing screw threads with a minimum variety of basic profiles, pitches and diameters including tolerances and verification.

Quick links

23

published ISO standards *

under the direct responsibility of ISO/TC 1

14

Participating countries

25

Observing countries

* number includes updates

Liaison Committees to ISO/TC 1

The committees below can access the documents of ISO/TC 1 :

Reference Title ISO/IEC
ISO/TC 2 Fasteners ISO
ISO/TC 2/SC 11 Fasteners with metric external thread ISO
ISO/TC 2/SC 12 Fasteners with metric internal thread ISO
ISO/TC 2/SC 13 Fasteners with non-metric thread ISO
ISO/TC 114 Horology ISO
ISO/TC 153 Valves ISO
Liaison Committees from ISO/TC 1

ISO/TC 1 can access the documents of the committees below :

Reference Title ISO/IEC
ISO/TC 2 Fasteners ISO
ISO/TC 5/SC 5 Threaded fittings, solder fittings, welding fittings, pipe threads, thread gauges ISO
ISO/TC 10/SC 6 Mechanical engineering documentation ISO
ISO/TC 20/SC 4 Aerospace fastener systems ISO
ISO/TC 22 Road vehicles ISO
ISO/TC 29/SC 9 Tools with defined cutting edges, cutting items ISO
ISO/TC 31/SC 9 Valves for tube and tubeless tyres ISO
ISO/TC 58/SC 2 Cylinder fittings ISO
ISO/TC 67/SC 5 Casing, tubing and drill pipe ISO
ISO/TC 82 Mining ISO
ISO/TC 94/SC 15 Respiratory protective devices ISO
ISO/TC 107/SC 4 Hot dip coatings (galvanized, etc.) ISO
ISO/TC 114 Horology ISO
ISO/TC 149 Cycles ISO
ISO/TC 150/SC 5 Osteosynthesis and spinal devices ISO
ISO/TC 153 Valves ISO
ISO/TC 213 Dimensional and geometrical product specifications and verification ISO
Organizations in liaison
Acronym Title Liaison type
WCO World Customs Organization B

ISO/TC 1 - Secretariat

SAC China
Standardization Administration of China
BaijiazhuangDongli Bld.13
Chaoyang District
Beijing 100026
China

Tel: +86 10 8226 2622
Fax: +86 10 8226 0660

Secretariat direct:
Prof Xiaobin Li
Tel: +86 10 88 30 17 15
Fax: +86 10 88 30 17 15