6mm bore hole clearance.
Brass M10 x 1mm Pitch All-thread Hollow Tube Nipples in Various Lengths
5Set 11.8" M10 x 1mm Fine Thread Threaded Extension Rod with Pipe Nipple Brass
Solid brass cord grips M10 male thread 1mm Pitch Thread Cable grips 5 colours
3pcs Metric M10 1mm Pitch Thread Zinc Plated Pipe Nipple Lamp Parts 50cm Long
Pack of 10 - M10 x 1.0m pitch Brass Ring Nut For Electrical Lamp / Bulb Holders
Pack of 10 - M10 x 1.0m pitch Brass Half Nut For Electrical Lamp / Bulb Holders
