00:00Hey everyone, welcome back to the channel.
00:03I went on a serious hunt for 99.9% pure holmium metal for magnetic fields,
00:08and I came back with 5 finds that genuinely surprised me,
00:111 absolute star, and a few shop essentials I didn't expect to love.
00:15Let's get into it.
00:17First up, the little guy that started it all,
00:20a 10mm zinc cubic periodic table element, 99.995% pure, and it's only $5.80.
00:28I know, zinc isn't holmium, but if you're collecting element cubes,
00:31this is the perfect cheap entry point.
00:34It's got a beautiful machined finish, it's surprisingly heavy in the hand,
00:38and with over 4,700 sold at a solid 4-star rating, you're not gambling here.
00:43Grab it as a desk piece or a starter cube before you drop real money on the rare stuff.
00:49Now, the one you're actually here for, the 10mm holmium cube,
00:52and yes, it's the real deal for magnetic fieldwork.
00:56Holmium has the highest magnetic permeability of any element,
00:59so if you're experimenting with pole pieces or just want a genuinely rare metal in your collection,
01:04this is it.
01:06It runs $52.36, which is honestly fair for a rare earth element cube,
01:11and it's sitting at a 4.8 rating with nearly 4,700 units sold.
01:16That consistency tells you everything, people buy it, love it, and come back for more.
01:21Third on the list, and this one's for the machinists,
01:24a BB pull stud retention knob that fits BT-30, BT-40, and BT-50 holders,
01:29including the Mazac and JT styles, with internal cooling options.
01:33It's just $3.25, which is almost absurd for a precision tool holder component.
01:40Only 63 sold so far, but it's holding a perfect 5-star rating,
01:44the folks who bought it clearly knew what they were doing.
01:47If you're setting up a mill and need reliable retention, this is a no-brainer add-on.
01:52Next, something basically everyone with a CNC should have in their drawer,
01:56a high-precision ER collet chuck spring collet, available in ER-11 through ER-32,
02:01AA grade, with 0.008mm accuracy.
02:05It's $1.23.
02:08Let me say that again, $1.23.
02:1257 sold, 5-star rated, and for that price you can stock up on a full set without thinking twice.
02:18Run out this tight at this price is genuinely hard to beat,
02:21so if you're chasing clean finishes, start here.
02:24And finally, if you want to step it up a notch,
02:27there's a stainless steel spring collet version with 0.003mm accuracy,
02:31that's more than double the precision of the last one, also in ER-11 through ER-32,
02:36for just $4.69.
02:3955 sold, perfect 5-star rating.
02:42If you're building magnet fixtures, clamping test pieces,
02:46or just doing work where every micron counts, this is the one I'd reach for.
02:50Stainless steel also means it'll hold up way better against coolant and rust over the long haul.
02:56Alright, that's the list.
02:58Every single link is waiting for you in the description below,
03:01so go check them out and see which one fits your setup.
03:04If this helped you out, smash that like button and hit subscribe,
03:08it genuinely helps the channel, and I'll catch you in the next one.
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