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What kind of quality to expect for chinese "Precision" tools and stuff

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PekkaNF:
How do you know and tell that you are paying for quality, when you buy consumer quantity?

I'll try to avoid lowest and highest price on "same" product. But it is hard to choose over "same" product when large amount of sellers use same picture and same spesification. And all chinese tool looking objects seem to have words like "Precision" etc.

I don't have more than spesification to go for. If something says in effect of precision 0,01 mm, I have right to expect if I measure it right. OK, I allow chinese to lie a little...they seem to say 0,01 mm when they say 0,02 mm TIR, but I would not accept 0,08 mm TIR. on ER collet chuck small expensive four flute endmill would in an effect of a fancy miniature fly cutter that needs to have adjusted to 25% of feed.

So, I bought four collet chucks from three sources. One is abysmally bad, one is really very nice and near advertised accuracy and two the normal quality you expect. The one that sucks was nowhere cheapest!

OK, normal visdom is to buy from EU vendor. I can tell right away one UK merchant that is somewhat more expensive, but usually deliveres pretty much what you are let to understand. Yhen again there is one UK and one german shop I have ordered stuff twice and always have been disapointed. Same or even lover quality chinese stuff, but with much inflated prices.

Some tools it is just down to availability and delivery time. If I want to order ONE ER shank or other 20-40 EUR/GBP tool and I need to wait nearly week and pay 20€ postage...or have that from Germany in three days and pay 5-7€....or free shipping, but 2-3 weeks from china...UK does it's best to deter me.

However, just ordered some stuf from ARC, total 240€ I hope that ER20 holder ir worth of 20€!

Sometimes I really would like to buy real western tools and sometimes I can. Sometimes it really has been that difficult to buy quality tools that in discust you click one from eBay and wait the "surprice".

Pekka

Manxmodder:
I'd say the answer to consistent quality comes down to word of mouth and looking at which suppliers others recommend. For example,I have purchased a number of things such as precision vices,collet chucks and blocks from Arceurotrade and never been unhappy with the quality of any item. I think this may be down to them setting a certain quality control specification from the manufacturer and likely paying a bit more to maintain those standards. I have also been pleasantly surprised with the quality of some things I took a gamble on when ordering directly from Chinese internet suppliers.  I've had a good number of carbide burrs direct from China that have proved very good quality for small outlay......OZ.

PK:

--- Quote from: PekkaNF on October 10, 2016, 04:34:29 PM ---How do you know and tell that you are paying for quality, when you buy consumer quantity?

--- End quote ---

Good point, you have no control for small purchases. For larger purchases, like a machine or some sorts, you often end up chatting for some time before the deal is done. This is where you get to ask for the upgrades..

PK

ieezitin:
Pekka

I feel your pain and thoroughly understand your dilemma.

Personally i don't trust the Chinese claims for the quality of there products that they clearly advertise because majority Chinese companies spend too much time thinking about what they are making and not how to manufacture it. 


But on the other hand some stuff is worth every penny you spend on it because the vendor flogging it in what ever country has strict demands about quality and has a handle on the Chinese manufacturing culture, contrary to popular belief Iphones are not made in China they only  assemble them there, Apple gives them the fool proof pieces of the puzzle made elsewhere and bingo an Iphone they are not trusted to manufacture it but just snap it together.   

I believe Manxmodder hit the nail on the head word of mouth from others is the key to buying valued semi quality items from China and the vendors who sell the products sadly that means someone has to take a hit with a bad experience for others to benefit that's the beauty of this forum we have to share the good and bad.

Anthony.

PekkaNF:
So what the Fedex brought in. Spent 10*more on ARC than on latest china shopping. I expect clearly better value.

Not surpricing the almost identical ER chuck was whole lot nices, I don't care much of the looks, but finish on the mating surfaces must be good enoug. Still it is not quite up to DIN stndard, but miles closer than the Bangood one.

Pekka

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