Knowledge
|
Country |
Symbol |
Description |
Code No. |
|
Japan |
M |
Metric screw threads |
JIS B0205, 0207 |
|
S |
Miniature threads |
JIS B 0201 |
|
|
UNC |
Unified coarse threads |
JIS B 0206 |
|
|
UNF |
Unified fine threads |
JIS B 0208 |
|
|
Tr |
Metric trapezoidal threads |
JIS B 0216 |
|
|
TW |
29° trapezoidal threads |
JIS B0222 |
|
|
R |
Male taper pipe threods |
JIS B 0203 |
|
|
Rc |
Female taper pipe threods |
JIS B 0203 |
|
|
Rp |
Male taper pipe threads for female straight pipe threads |
JIS B 0203 |
|
|
G |
Straight pipe threods |
JIS B 0202 |
|
|
PF |
Straight pipe threads not include in ISO |
JIS B 0202 |
|
|
PT |
Taper pipe threads not include in ISO |
JIS B 0203 |
|
|
PS |
Taper pipe threads not include in ISO |
JIS B 0203 |
|
|
CTC |
Thin wall cable pipe threads |
JIS B 0204 |
|
|
CTG |
Thidk wall coble pipe threads |
JIS B 0204 |
|
|
BC |
Threads for automobile |
JIS B 0225 |
|
|
SM |
Threads for sewing machine |
JIS B 0226 |
|
|
E |
Threads for bulb |
JIS C 7709 |
|
|
TV |
Tire valve threads for automobile |
JIS D 4207 |
|
|
CTV |
Tire vave threods for bicycle |
JIS D 9422 |
|
|
ISO |
M |
Metric screw threads |
ISO 261 |
|
S |
ISO miniature threads |
ISO R 1501 |
|
|
Tr |
ISO metric trapezoidal threads |
ISO 2902 |
|
|
UNC |
ISO inch coarse threads |
ISO 263 |
|
|
UNF |
ISO inch fine threads |
ISO 263 |
|
|
UNEF |
ISO inch extra-fine threads |
ISO 263 |
|
|
UN |
ISO inch threads ( constant pitch series ) |
ISO 263 |
|
|
UNJC |
Inch series UN threads for aircraft &aerospace ( coarse threads ) |
ISO 3161 |
|
|
UNJF |
Inch series UNUJ threads for aircraft & aerospace ( fine threads ) |
ISO 3161 |
|
|
UNJEF |
Inch series UN threads for aircraft &aerospace ( extra-fine threads ) |
ISO 3161 |
|
|
UNJ |
Inch series UNU threads for aircraft & aerospace ( constant pitchseries ) |
ISO 3161 |
|
|
MJ |
Metric threads for aircraft & aerospace |
ISO 5855 |
|
|
R |
Male taper pipe threads |
ISO 7/1 |
|
|
Rc |
Female taper pipe threads |
ISO 7/1 |
|
|
Rp |
Male taper pipe threads for female straight pipe threads |
ISO 7/1 |
|
|
G |
Straight pipe threads |
ISO 228/1 |
|
|
GL |
Threads for glass containers |
ISO R 1115 |
|
|
V |
Tire valve threads |
ISO 4570/1-3 |
|
|
USA |
UN |
Unified inch screw threads |
ANSIB 1.1 |
|
UNC/UNRC |
Unified coarse thread series |
ANSIB 1.1 |
|
|
UNF/UNRF |
Unified fine thread series |
ANSIB 1.1 |
|
|
UNEF/UNREF |
Unified extra-fine thread series |
ANSIB 1.1 |
|
|
4UN/4UNR |
Unified constant-pitch series with 4-threods |
ANSIB 1.1 |
|
|
6UN/6UNR |
Unified constant-pitch series with 6-threads |
ANSIB 1.1 |
|
|
8UN/8UNR |
Unified constant-pitch series with 8-threads |
ANSIB 1.1 |
|
|
12UN/12UNR |
Unified constant-pitch series with 12-threads |
ANSIB 1.1 |
|
|
16UN/16UNR |
Unified constant-pitch series with 16-threads |
ANSIB 1.1 |
|
|
20UN/20UNR |
Unified constant-pitch series with 20-threads |
ANSIB 1.1 |
|
|
28UN/28UNR |
Unified constant-pitch series with 28-threads |
ANSIB 1.1 |
|
|
32UN/32UNR |
Unified constant-pitch series with 32-threads |
ANSIB 1.1 |
|
|
UN/UNRS |
Unified threads of special diameters, pitches and lengths of engagement |
ANSIB 1.1 |
|
|
NR |
American National thread with a0.108p to 0.144p controlled root radius |
MIL-B-7838 |
|
|
Acme |
Acme screw threads |
ANSI B 1.5 |
|
|
Stub -Acme |
Stub Acme screw threads |
ANSI B 1.8 |
|
|
Butt |
Buttress inch screw threads |
ANSI B 1.9 |
|
|
UNM |
Unified miniature thread series |
ANSI B 1.10 |
|
|
NC5 |
Class 5 interference-fit thread |
ANSI B 1.12 |
|
|
NPT |
American Standard taper pipe threads for general use |
ANSV/ASME B 1.20.1 |
|
|
NPTR |
American Standard taper pipe threads for railing joint |
ANSV/ASME B 1.20.1 |
|
|
NPSC |
American Standard straight pipe threads in pipe couplings |
ANSV/ASME B 1.20.1 |
|
|
NPSL |
American Standard straight pipe threads for loose-fitting mechanical joint with locknut |
ANSV/ASME B 1.20.1 |
|
|
NPSM |
American Standard straight pipe threads for free-fitting mechanical joint for fixtures |
ANSV/ASME B 1.20.1 |
|
|
NPSH |
American Standard straight pipe threads for loose-fitting mechanical joint for hose coupling |
ANSV/ASME B 1.20.1 |
|
|
NPTF |
Dryseal American Standard taper pipe threads |
ANSI B 1.20.3,1.20.4 |
|
|
F-PTF |
Dryseal fine taper pipe thread series |
ANSI B 1.20.3,1.20.4 |
|
|
PTF-SAE SHORT |
Dryseal SAE short taper threads |
ANSI B 1.20.3,1.20.4 |
|
|
PTF-SPL SHORT |
Drvseal special short taper pipe threads |
ANSI B 1.20.3,1.20.4 |
|
|
PTF-SAE EXTRA SHORT |
Dryseal special edra short taper pipe threads |
ANSI B 1.20.3,1.20.4 |
|
|
SPL -PTF |
Dryseal special taper pipe threads |
ANSI B 1.20.3,1.20.4 |
|
|
NPSI |
Dryseal American Standard intermediate internal straight pipe threads |
ANSI B 1.20.3,1.20.4 |
|
|
NPSF |
Dryseal American Standard fuel internal straight pipe threads |
ANSI B 1.20.3,1.20.4 |
|
|
ANPT |
Aeronautical National Form taper pipe threads |
MIL-P-7105 |
|
|
NGO |
National gas outlet threads |
ANSI B 57.1 |
|
|
NGS |
National gas straight threads |
ANSI B 57.1 |
|
|
NGT |
National gas taper threads |
ANSI B 57.1 |
|
|
SGT |
Special gas taper threads |
ANSI B 57.1 |
|
|
NH |
Hose coupling and firehose coupling threads |
USAS B 2.4 |
|
|
NHR |
Hose coupling and firehose coupling threads |
USAS B 2.4 |
|
|
NPSH |
Hose coupling and firehose coupling threads |
USAS B 2.4 |
|
|
AMO |
American Standard microscope objective threads |
ANSI B 1.11 |
|
|
British |
UNS |
Unified special series |
BS 1580 |
|
B.S.w. |
British Standard Whitworth coarse threads |
BS 84 |
|
|
BSF |
British Standard fine threads |
BS 84 |
|
|
BSP |
British standard pipe threads |
BS 21, 2779 |
|
|
B.A |
B.A- Screw threads |
BS 93,1929 |
|
|
Acme |
General purpose,Acme screw threads |
BS 1104 |
|
|
Buttress |
Buttress threads |
BS 1657 |
|
|
BSC |
Cycle threads |
BS 811 |
|
|
BSMO |
Microscope objective threads |
BS 3569 |
|
|
E |
Edison screw threads |
BS 5042 |
|
|
R.S.M |
Rolled sheet metal screw threads and threads for molded |
BS 2038 |
|
|
Germany |
GL |
Glass containers thread |
DIN 168 |
|
S |
Buttress thread |
DIN 513,2781,20401 |
|
|
Rd |
Knuckle thread |
DIN 405,262,264,3182,7273,15403,20400 |
|
|
W |
Whitworth-gewinde |
DIN 168,477 ,6630,4668,49301 |
|
|
KS,KT |
Screw seal for packages made of plastics |
DIN 6063 |
|
|
E |
Edison screw thread |
DIN 40400 |
|
|
Pg |
Steel conduit thread |
DIN40430 |
|
|
Glasg |
Thread for cover glasses, porcelain and cost iron cops |
DIN 40450 |
|
|
Vg |
Automobile tire valve thread |
DIN 7756 |
|
|
Gf |
Thread for freezing pipes |
DIN 4930 |
|
|
Gg |
Thread for drill pipes |
DIN 4941, 20314 |
|
|
HA |
Thread for bone screws and nuts |
DIN 58810 |
|
|
RMS |
Thread connection for microscope objectives |
DIN 58888 |
|
|
FG |
Bicycle threads |
DIN 79012 |
