|
B.S.
CONDUIT THREAD SERIES
|
| APPLICATION |
|
Used
for checking threads of electrical conduit pipes used
for electrical wiring.
|
| GENERAL |
| B.S.
Conduit threads are also designated as 'ET' threads. |
| SPECIFICATION |
|
B.S.
31 – 1940
|
| DIAMETER
– PITCH COMBINATION |
|
DIA
INCH
|
DIA
MM
|
TPI
|
|
½"
|
12.7
|
18
|
|
5/8"
|
15.875
|
18
|
|
¾"
|
19.05
|
16
|
|
1"
|
25.4
|
16
|
|
1.1/4"
|
31.75
|
16
|
|
1.1/2"
|
38.1
|
14
|
|
2"
|
50.8
|
14
|
|
|
Actually
as per specification, NOGO gauges for B.S. Conduit threads
are plain / cylindrical while GO is threaded.
|
| DESIGNATION
/ MARKING SYSTEMS |
|
½"
– 18 BS Conduit.
|
