5 x M10 x 1mm thread, 25mm long, hollow. M10 x 1mm pitch thread. all-threads for use with electrical bulb holders etc.
10x M10 10mm x 25mm Brass Base Backplate Allthread Hollow Thread Tube Lampholder
2x M10 10mm x 25mm Brass Base Backplate Allthread Hollow Thread Tube Lampholder
4x 1/2 Inch x 25mm Brass Base Backplate Allthread Hollow Thread Tube Lamp holder
M10 x 75mm Brass Thread Hollow Threaded Rod Tube For Bulb Lamp Holders - 2 Pack
M10 x 13mm Brass Thread Hollow Threaded Rod Tube For Bulb Lamp Holders - 2 Pack
Brass Reducer / Adaptor 1/2" x M10 x 1.0m For Electrical Lamp / Bulb Holders
