Pipe Thread Size Chart
Various chandelier parts along the main column may be attached with threaded rod. We're including here a chart to help you determine which one is right for your application.
The typical threaded pipes for lamps and standard household fixtures are the 3/8" diameter. But other sizes may be used for larger fixtures or for other attachments that need structure or wiring.
|
1/4-27 |
1/8 IPS |
1/4 IPS |
3/8 IPS |
1/2 IPS |
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 |
 |
 |
 |
|
1/4" dia. |
3/8" dia. |
1/2" dia. |
5/8" dia. |
3/4" dia. |
|
Common on harp tops & some finials |
Most common size for table lamps and regular-size fixtures |
Often used on floor lamps and cluster bases |
Used on large chandeliers and other heavy duty applications |
Used on large chandeliers and other heavy duty applications |
- 1/4-27 (1/4" dia.): Common on harp tops & some finials
- 1/8 IPS (3/8" dia.): Most common size for table lamps and regular-size fixtures
- 1/4 IPS (1/2" dia.): Often used on floor lamps and cluster bases
- 3/8 IPS (5/8" dia.): Used on large chandeliers and other heavy duty applications
- 1/2 IPS (3/4" dia.): Used on large chandeliers and other heavy duty applications
