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8020 vs. Bosch
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Hi Everyone,
I could use some expert opinion on the difference between 8020 and Bosch extrusions. I am looking specifically at the 30-30 (mm) series. Check out the attached pdf for a quick comparison between the two brands' profile in AutoCAD. Then take a look at the different dimensions between the two brands' t-nuts. We are having difficulties with our local Bosch distributor, and are considering switching to 8020 instead. Are there any advantages/disadvantages one way or another? -Ken L |
Re: 8020 vs. Bosch
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We have always purchased the 8020 from a certain supplier in San Jose. I don't remember the name, but if you're interested I can talk to the other team 100 mentors who have been there. I recommend this place specifically because they keep 8020 in stock and you can go and pick it up in a day. Be careful about ordering online or through one of 8020s distributors. Some of them are horrible and take forever. As for fasteners, team 100 uses 1/4-20 carriage bolts. It so happens that the heads slide perfectly into the slots, and the square part prevents them from spinning. So instead of threading in a bolt you can screw on a lock-nut. :cool: Biscuits and drop-ins will drive you crazy :mad:. Not to mention that they have a habit of falling out! :mad: Locknuts solve this problem. Save yourself some sanity, time, and money and buy carriage bolts from your local OSH. |
Re: 8020 vs. Bosch
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Also, forgot to ask this in the original post, but I am hopping someone can clarify the compatibility between the two brands. Specifically, if I have Bosch extrusions now, can I use 8020 hardware/t-nuts on the Bosch extrusions? Other about vice-versa? The profiles and t-nut dimensions suggest they should be fine either way. |
Re: 8020 vs. Bosch
When I was on 100 and we used 8020 we used toilet bolts in place of t-nuts in a lot of situations. Much cheaper and like Martin said, you can use lock nuts.
You still want a pretty healthy supply of drop in t-nuts because you'll always want to add something later that you didn't foresee. At the time I think a somewhat local supplier (maybe Sacramento?) was giving FIRST teams a discount on 8020. That was about 7 years ago now though, so I'm not sure if they still do. T nuts should fit equally well in either profile. |
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