The $90 collet that rode around in my truck for 8 months

So last spring I bought a full set of ER32 collets off a retiring machinist down in Tulsa. Paid $90 for the whole box, felt like a steal. Turns out one of them, the 1/4 inch one, was missing its retaining screw. I tossed it in my glovebox thinking I'd grab a replacement from the tool truck next week. Fast forward to last Friday, I'm setting up a job and my chuck has a 1/4 shank end mill. I search everywhere, no luck, then I remember that loose collet. I pull it out, still no screw, but I find a random 10-32 bolt in my cup holder that fits. Ran that thing for 6 hours straight, perfect finish, zero chatter. How many of you have parts that just live in your truck for months before they finally become useful?

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clark.faith2mo ago

Call the guy you bought them from, he probably has the screw in a jar somewhere.

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