½" x 26tpi Solid Brass Lamp Holder Fixing Plate Antique Finish

Solid brass 1" diameter ½" x 26tpi lampholder mounting plate in an antique finish
Most often used to mount a lampholder to the top of a wooden standard lamp.
25.4mm diameter
8.6mm high
8.7mm centre hole
3 x 3mm countersunk fixing holes for screws
½" x 26tpi thread