These stainless steel springs work perfectly in the Z-Axis of the Prusa and Mendel Repraps. They push the Z-Axis nuts apart to eliminate backlash in the threaded drive.
Uncompressed length: 35mm
Outer Dia: 12mm - Inner Dia: 9.75mm - Wire Dia: 1.08mm
Compresses to roughly 1/2 length under 2.5kg of weight (25N) More
All the nuts bolts, washers, springs and more you need to put together a Wades or Gregs extruder - see the more info for a full parts list. Does not contain plastic parts, barrel or the hot end. More
This stainless steel rod has been professionally rolled so the threads are good right to the end without burrs.
You need 2 rods for the Z-Axis leadscrews on a RepRap Mendel, so buy 1 pair if you are making one of these
4 rubber feet for keeping your machine stable and protecting the workbench. 3M adhesive backed. Round hemisphere shaped, diameter 11.2mm, 5.1mm high More