Three Piece 40T Extruder Drive Gear For 1.75mm Filament, 5mm Bore, Fits MK7 MK8 Printers, Easy Grip Feeder Gear Set For 3D Printing, High Hold Grooves, Durable Replacement

High Grip 40T Extruder Gears for 1.75mm Filament 3D Printers
✔️ Three Stainless Steel Gears 12mm OD 5mm Bore 12mm Height M3 Thread

These extruder drive gears grip and advance 1.75mm filament through MK7 and MK8 style 3D printer hot ends.

✅ Deep grooves deliver solid filament hold ✅ 5mm bore accepts standard motor shafts ✅ M3 grub screw locks each gear in place ✅ 40 teeth and 12mm outer diameter suit most feeders

💡 What is an extruder drive gear used for in 3D printing? These gears pull filament from the spool and push it into the hot end at a steady rate. - Stainless steel construction resists wear during long prints - 40 tooth count gives precise control over extrusion steps - Works with both direct drive and Bowden setups - Set of three makes quick replacements easy when one wears out

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