Getting #*$% drain auger past 90.

My 1/2" snake goes around 1 1/2" 90s anytime it has to, and with little resistance.

hj said:

The other explanation is that your snakes are "useless" and you need a professional with a good snake, and the experience to use it.

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My exact thoughts

Do you know what was put in the sink to plug the drain in the first place? If it was something like rice, you may have a drain that a cable may never get through. Rice and spaghetti products swell up really good. I have seen times when the drain just had to be replaced because of that. Of course, I'm talking about big commercial kitchens where there are a large number of people working on different shifts of the day and night. The guilty party is rarely ever found.