AIGUO Threaded Bar, T12 Lead Screw, Thread 12mm Lead 4mm Length 100/200/250/300/350/400/450/500/550/600/700/800mm With Brass Nut, 3D Printer Accessories (Size : 250mm) : Amazon.co.uk: Business, Industry & Science
M12 X3M STAINLESS STEEL THREADED ROD X 3MTR SS (38534)