C.E.I.-Thread
- Main page
- Help
- Specifications
- ISO Coarse Thread (metric) DIN 13-1
- ISO Fine Thread I (metric) DIN 13-2
- ISO Fine Thread II (metric) DIN 13-3
- ISO Fine Thread III (metric) DIN 13-4
- ISO Fine Thread IV (metric) DIN 13-5
- ISO Fine Thread V (metric) DIN 13-6
- ISO Fine Thread VI (metric) DIN 13-7
- ISO Fine Thread VII (metric) DIN 13-8
- ISO Fine Thread VIII (metric) DIN 13-9
- ISO Fine Thread IX (metric) DIN 13-10
- ISO Fine Thread X (metric) DIN 13-11
- ISO Thread (metric)
DIN 14-2 - Knuckle Thread DIN 405
- Knuckle Thread
DIN 20400 - Buttress Fine Thread DIN 514
- Buttress Coarse Thread DIN 513
- Buttress Thread 45°
DIN 2781 - Trapezoidal Fine Thread DIN 103
- Trapezoidal Coarse Thread DIN 103
- Valve Thread DIN 7756
- Cycle Thread DIN 79012
- PG Thread DIN 40430
- Pipe Thread DIN 158
- Dairy Thread DIN 11851
- Edison Thread
DIN 40400 - Glass Thread DIN 40450
- Knuckle Thread for glass containers DIN 168
- Threads for plastic containers DIN 6063
- Camera mount Thread
- S. & H. Thread
- Sewing-machine Thread
- ► C. E. I. Thread
- Löwenherz Thread
- Bodmer Thread
- French Thread
- VDI Thread
- Ducommun Steinle Thread
- Hamann Patronen Thread
- Thury Thread
- Whitworth Instrument Thread
- Whitworth Fine DIN 239
- Whitworth Fine DIN 240
- Whitworth Fine
DIN LON 282 - Whitworth Fine
DIN LON special - Whitworth Fine
DIN LON 286 - Whitworth Fine
DIN LON 287 - S. J. Thread
- Sellers Thread
- UNC Thread (USA)
- UNEF Thread (USA)
- UNF Thread (USA)
- UNM Thread (USA)
- UNR Thread (USA)
- UNS Thread (USA)
- 8-UN Thread (USA)
- 12-UN Thread (USA)
- 16-UN Thread (USA)
- 20-UN Thread (USA)
- NPT Thread (USA)
- NPTF Thread (USA)
- NPSC Thread (USA)
- NPSF Thread (USA)
- NPSL Thread (USA)
- NPSM Thread (USA)
- ACME Thread (USA)
- STUB ACME Thread (USA)
- Sharp V Thread (USA)
- ME Model Engineer Thread (GB)
- BA British Association (GB)
- BSB British Standard Brass (GB)
- BSF Whitworth Fine Thread (GB)
- BSW Whitworth Coarse Thread (GB)
- BSPP Whitworth Pipe Thread (GB)
- BSPT Tapered Whitworth Pipe Thread (GB)
- Conversion Inch-Fractions to mm
- Conversion TPI to pitch mm
- Drill bit sizes
- Download
- Imprint
- Sitemap
Cycle Engineer Institution Thread, used in the British bicycle industry. Smetimes the name "BSC" or "BSCy" is used. This series replaced the Cycle Engineers Institute (CEI) thread. Though the two series are somewhat different.
The flank angle is 60°.
| Major Diameter Inch | Major Diameter mm | Tapping Drill Size mm | TPI | Pitch mm |
| 0.056 | 1.422 | 0.965 | 62 | 0.409 |
| 0.064 | 1.626 | 1.190 | 62 | 0.409 |
| 0.072 | 1.829 | 1.393 | 62 | 0.409 |
| 0.080 | 2.032 | 1.596 | 62 | 0.409 |
| 0.092 | 2.337 | 1.854 | 56 | 0.453 |
| 0.104 | 2.642 | 2.642 | 44 | 0.577 |
| 0.125 | 3.175 | 2.499 | 40 | 0.635 |
| 0.154 | 3.912 | 3.236 | 40 | 0.635 |
| 0.175 | 4.445 | 3.600 | 32 | 0.794 |
| 0.187 | 4.762 | 3.917 | 32 | 0.794 |
| 0.250 | 6.350 | 5.309 | 26 | 0.977 |
| 0.266 | 6.756 | 5.715 | 26 | 0.977 |
| 0.281 | 7.137 | 6.096 | 26 | 0.977 |
| 0.312 | 7.937 | 6.896 | 26 | 0.977 |
| 0.375 | 9.525 | 8.484 | 26 | 0.977 |
| 0.562 | 14.287 | 12.287 | 20 | 1.270 |
| 1.000 | 25.400 | 24.359 | 26 | 0.977 |
| 1.290 | 32.766 | 31.639 | 24 | 1.058 |
| 1.370 | 34.797 | 33.670 | 24 | 1.058 |
| 1.437 | 36.512 | 35.385 | 24 | 1.058 |
| 1.500 | 38.100 | 36.973 | 24 | 1.058 |
 | ||||
|
Advertising: |
||||
Advertising: