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Many people ask about how to properly tighten the thumbscrew for the filament tension lever of Bondtech extruders. Below are instructions provided by Bondtech: We recommend the following regarding the thumbscrew setup: When tightening the thumbscrew onto the metal threaded insert use at most 0.4Nm torque (don't force it too much). Using excessive torque will damage the laser sintered nylon that holds the metal insert in place. Considering the above, tighten it al …