Drive-gear
Drive-gears to be used in direct drive and some other extruders (like the Adrian's_Geared_Extruder).
| Model | From | Length | Outer diam. | Hob diam. | Bore | Approximate Cost | Additional notes |
|---|---|---|---|---|---|---|---|
| TriDPrinting.com MK7 Drive Gears |
USA | 11 mm | 12.5 mm | 10.56 mm | 5 mm 8 mm |
$ 6.95 | HARDENED STEEL and are good for both 1.75 and 3.00mm filament. |
| TriDPrinting.com MK8 Drive Gears |
USA | 11 mm | 9 mm | 7 mm | 5 mm | $ 6.95 | HARDENED STEEL and are good for both 1.75 and 3.00mm filament. The reduced diameter provides more force than an MK7 so you don't need to resort to a geared stepper motor. |
| RepRap.me MK7 Drive Gear |
EU/Denmark | 11 mm | 12,5 mm | 10,56 mm | 5 mm | From 2.50 $ |  Made in stainless steel and are good for both 1.75 and 3.00mm filament. |
| DIY-India.com MK7 Drive Gear |
India | 11 mm | 12,5 mm | 10,56 mm | 5 mm | From 2.50 $ | Made in stainless steel, works for both 1.75 and 3.00mm filament. |
| RepRap.me MK8 Drive Gear |
EU/Denmark | 11 mm | 9 mm | 7 mm | 5 mm | From 3.24 $ |  MK8 is a new evolution of the MK7 Drive Gear. The smaller diameter gives 35% more power. Made in stainless steel and are good for both 1.75 and 3.00mm filament. |
| TaoTac.com MK8 Drive Gear |
VN | 11 mm | 9 mm | 7 mm | 5 mm | 105000 VND | MK8 Drive Gear for MK style extruder, better than MK7. Made in stainless steel. |
| Twelvepro.com MK7 Drive Gear |
IN | 11 mm | 12,5 mm | 10,56 mm | 5 mm | 4.99 $ | Outstanding quality, Made on professional CNC gear cutting machines, 1000s sold out with the best performance for DIY and professional systems. This MK7 Drive Gear is made up of 304 Steel and suitable for both 1.75 and 3.00mm filament. Made in USA- ship worldwide! |
| Twelvepro.com MK8 Drive Gear |
USA | 11 mm | 9 mm | 7 mm | 5 mm | From 5.99 $ | MK8 is a new evolution of the MK7 Drive Gear. The smaller diameter gives 35% more power and the same best quality on the market. Made in stainless steel and are good for both 1.75 and 3.00mm filament.] |
| 3D Acessories Hub SS MK7 Drive Gear |
IN | 11 mm | 12,5 mm | 10,56 mm | 5 mm | 5.25 $ | This MK7 Drive Gear is made up of brass and suitable for both 1.75 and 3.00mm filament. |
| fabberworld.com MK7 Drive Gear |
Switzerland | 11,2 mm | 12,75 mm | 11,22 mm | 5 mm | 12.50 CHF |  The best drive gear on the market. Made in stainless steel and are good for both 1.75 and 3.00mm filament. |
| Mendel-Parts hobbed shaft stainless-steel insert brass insert |
Netherlands | ? mm | ? mm | ? mm | M4, M5, M6 5,1 mm |
14 € 4€ 3€ |
  stainless steel 
|
| QU-BD | US | 11.03 mm | 11.64 mm | 10.5 mm | 5 mm | 7,50 $ |  Brass alloy. (maybe better suited for 3mm than 1,75mm)
|
| RepRapWorld | Netherlands | 10 mm | 12 mm | ? mm | 5 mm | 8 € |  "mk7 compatible"
|
| Mini-hyena | Hungary | 13 mm | 8 mm 11 mm 11 mm 13 mm |
6 mm 9 mm 9 mm 11 mm |
5 mm 5 mm 8 mm 8 mm |
12 $ |   made by Arcol !
|
| Makemendel | India | 11 mm | 12.8 mm | ? mm | 5 mm | $5.25 USD / $6.99 USD | Brass MK7 Drive Gear
SS MK7 Drive Gear |
| Deezmaker Tatsu v2 | US | 11 mm | 13 mm | 11 mm | 5mm 6mm |
$25 USD | 
|
| Brass insert | |||||||
| 3D Acessories Hub Brass Insert |
IN | 11 mm | 12,5 mm | 10,56 mm | 5 mm | 11 $ | . This Brass insert piece is made in Brass and are Suitable for both 1.75 and 3.00mm filament. |
| Conrad.com Conrad-uk |
EU UK |
? mm | ? mm | ? mm | M4 | 3 € 4 £ |
- |
| Maritime-models | UK | ? mm | ? mm | ? mm | many | 1,80 £ |  need some use to grip more effectively 
|
| Paoparts | France | 15 mm | ? mm | 8 mm | M4 | 5.30 € | 
|
| Voelkner | Germany | ? mm | ? mm | ? mm | M5 | 2.95 € |
|
| Pb-modelisme | France | ? | ? | ? | 5 mm | 3,50 € | 
|
| Ok-modelisme | France ? | ? | ? | ? | 5 mm | 3,30 € |
|
