British Association (B.A.) screw threads
British standard thread BS 93. Used in tools, profile angle 47.5°. Has been replaced by coarse and fine ISO threads.
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
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
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