Hobb-Goblin - 5mm ID Drive Gear

Hobb-Goblin - 5mm ID Drive Gear
Product Code: M-HOBB-V2-500-BORE
Availability: In Stock

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A wicked little filament drive gear made from stainless steel with really sharp little teeth cut into it. 

These are carefully manufactured on a synchronised CNC processs which gives a sharp, consistent, and clean cut tooth profile that has incredibly good grip.

We've tested these with 1.75mm filaments, from the soft and delicate flexibles to hard and abrasive materials like Carbon-Fibre PLA. All with great results.

These are a great match for our NEMA17 Stepper motors with 5mm shafts to create low cost and simple extruders for 1.75mm filament. These gears are similar in effective radius and usage to a Mk8 Drive Gear.

Attaches to a 5mm motor shaft with an included M3 Set Screw.

5 ( 5 / 5 )
I've been using this beast for at least 200 hours of printing. It works like a charm! Always sharp nice teeth, with flex and hard materials, it just works!
5 ( 5 / 5 )
Thanks for the drawings, they're great. I now own 4 of these guys and designing my extruders as we speak. Can't wait to put them into action.
5 ( 5 / 5 )
Haven't used it yet but I ordered a few.... meanwhile I would love to have a few dimensions like the OD, "pitch diameter" and length. The description references the M8 but I don't know anything about that :-) If you guys get a drawing up for your hubs that would be great too.

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