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ISO standards

Coarse thread (metric) ISO DIN 13-1
Fine thread (metric) ISO DIN 13-2
Fine thread (metric) ISO DIN 13-3
Fine thread (metric) ISO DIN 13-4
Fine thread (metric) ISO DIN 13-5
Fine thread (metric) ISO DIN 13-6
Fine thread (metric) ISO DIN 13-7
Fine thread (metric) ISO DIN 13-8
Fine thread (metric) ISO DIN 13-9
Fine thread (metric) ISO DIN 13-10
Fine thread (metric) ISO DIN 13-11
Metric thread below 1 mm diameter ISO DIN 14-2

USA standards

Unified inch screw threads ANSI ASME B1.1
Unified miniature screw threads ANSI ASME B1.10M
UNS - Unified special thread series ANSI ASME B1.1
NPT American taper pipe thread ANSI ASME B1.20.1
NPTF American taper pipe thread ANSI ASME B1.20.3
American acme screw thread ANSI ASME B1.5
American stub acme screw thread ANSI ASME B1.8

UK standards

British Association (B.A.) screw threads
B.S.F. Whitworth fine thread BS 84
B.S.W. Whitworth coarse thread BS 84

DIN standards

Knuckle Thread DIN 405
Knuckle Thread DIN 20400
Buttress Coarse Thread DIN 513
Buttress Thread DIN 2781
Trapezoidal screw thread DIN 103
Valve thread DIN 7756
Screw threads for bicycles and mopeds DIN 79012
Steel conduit thread DIN 40430
Metric external taper thread DIN 158
Fittings for food, chemical and pharmaceutical industry thread DIN 11851
Edison thread for D-type fuses DIN 40400
Knuckle thread for glass containers DIN 168
Threads for plastic containers DIN 6063
Buttress thread from 0,8 mm to 2 mm pitch DIN 20401
Taper pipe thread DIN 10226-1
Taper pipe thread DIN 10226-2

Knuckle Thread DIN 20400

Used in large valves or, for example, coupling spindles of railway carriages, the profile angle is 30°.

DIN 20400

DIN 20400

DIN 20400

DIN 20400

DIN 20400

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