Thermal barrier with PTFE tube inside for Makerbot MK8 hotend suits for makerbot or 1.75mm special use 3d printer
M6X30 screw thread: one side is diameter 4mm *20mm, the other side is diameter 2mm* 10mm
Screw outer diameter: 6mm
PTFE tube inner diameter is 2mm, outer diameter is 4mm, length is 20mm
M6X50 thermal barrier also available!
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