fosa 10PCS Brass Extruder Wheel 40 Teeth Drive Gear for MK7 MK8 Extruder
fosa 10PCS brass extruder wheels with 40 teeth drive gears for MK7 and MK8 extruders on budget printers.
Price range: See on Amazon
What we liked
- + 40 teeth design suits extruders built around finer tooth spacing
- + Brass drive wheel grips PLA and PETG reliably when clean
- + 10PCS pack keeps a steady spare supply at low cost
Trade-offs
- - Grub screw flat must align with the motor shaft to avoid slip
- - Brass teeth clog with debris and need periodic brushing
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