Steel All Thread Lamp Pipe 1/8 IP is the backbone of many table lamps. Steel pipe is threaded entire length with hollow core, fitting most standard size lamp parts. Easily cut to desired length with a hacksaw. When cutting It is best to screw a nut (same thread size) onto the pipe before cutting. Nut can then be worked up and down at cut edge, to straighten threads.
Sold by 3' lengths
Fits Most Standard Lamp Parts and Sockets
Outside diameter: 3/8"
Standard Lamp Thread Sizes
Lamp Thread Sizes
Standardized thread sizes for lamps enable many types of parts to be connected. It is imperative to know the thread size when replacing any antique lamp parts. List of common lamp threads and there uses provides a quick reference.
8-32 - 5/32" outside diameter, used as holder screws with some glass shades.
1/4-20 - 9/16" outside diameter
1/4-27 - 7/32" outside diameter, used on harp posts & most lamp finials.
1/8 IP-27 - 3/8" outside diameter, very common thread used on table lamps, socket caps, and some finials. Allows electrical wire to pass through pipe.
1/4 IP-18 - 1/2" outside diameter, used on floor lamps, clusters, ceiling fixtures, and floor lamp bases.
3/8 IP - 5/8" outside diameter, used on chandeliers and hanging lamps.
F: designates a female thread - part is tapped having interior threads.
M: designates a male thread - threaded with exterior threads.