KEY#75 BD6900075 Aluminum Disc

I wasn't sure this would fit my machine so I reached out to customer service. They replied with the exact info I was after and when it took longer then expected they let me know they were working on it, that it wasn't being ignored. I put this on an old generic 1980s import machine, a Cumins branded machine. **I had to file a keyway for my machine**. Even removing that big bit of interior material it spins flawlessly true. Luckily the fact that rear post is about 1/4 inch longer didn't cause a problem. This disc lacks the support webbing found on my old one and I can't imagine that matters. If you have an old off-brand machine with a true 15mm arbor and find yourself in need of a disc, then I'd highly recommend buying this one and seeing if will work for you too. Especially for the price. Beats paying $50 on eBay.

The disk is an exact replacement and went on with no issues. I just wish they had the rest of the parts needed to make my sander like new.