Zeberoxyz 2PCS Set GT2 Synchronous Wheel 20&60 Teeth 8mm Bore Aluminum Timing Pulley with 2PCS Length 200mm Width 6mm Belt (20-60T-8B-6)

I used it tO power a garage door opener. It handled 50w of power at around 5000rpm. I thought it wouldn’t last but it’s tough rubber

Hello, I ordered these pulleys with size: 20-40T-5B-6, the description on Amazon claims that the outer diameter of the shaft is 18mm but they came in with a much smaller diameter. Can I get pulleys with 18mm shaft please as it is crucial for my project. I know you guys used to sale pulleys with 18mm shafts because I have ordered from you before and I also noticed a small rim that measures 18mm before continuing to be bored down more. Thanks you.

Works nicely, quiet and accurate

Bought these to make a diy laser roller tool and they worked great, I only needed one set but the other set came in helpful when I needed to use them to lock the rods in between to not move up or down.

These are a smaller diameter than I thought, but that is because of the tooth pitch which is narrower than I thought it would be. The important thing is that they are WELL MADE and they will serve their purpose perfectly!

The set appears nicely made, I thought I only received 3 set screws, I was wrong, the rest were screwed deep into the aluminum boss, not visible to my old eyes, lol. Synchronous belts are very efficient, great for many types of projects. Great for the price!

The Size and flexibility of These units make them usable for all kinds of applications other than 3D printing. They can be doubled up for higher torque for a positive drive, and not get out of sync. It would be nice if they could individually handle more force.

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These GT2 wheels and belt are so far out of specification its a joke!!!! +/- 1mm!!!!! Dont waste your money on this crap!!!!!!

Lo he usado para automatizar una montura ecuatorial.