I understand that you generally get what you pay for in life but I'm wondering if that's really true with regard to ER collets. I have an inexpensive set of ER16 collets in metric sizes, several of which seems to clamp unevenly so I began shopping for a replacement set. There's a huge range of prices-from under $20 to over $400. I'll probably go with something in between but is there really a measurable difference in accuracy with a set costing, say $75 vs. a set costing $250? Country of origin (China vs. USA vs. Germany) has an impact, as does the source (general online retailer vs. industrial supplier) but the wide difference is still puzzling. Comments appreciated.
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