Making Micro Screws

Added: 2026-05-23

[00:00:00]Hi guys. Uh, welcome back to Sash. Uh, what we got in today? Uh, this is my old uh jalopy or my number two I call them sometimes.

[00:00:12]Uh, bike I had a long a long long long time. Uh, I built them when I was 19 or 20 something like that before the internet.

[00:00:23]So, it was not so easy in them days. And uh we were living on the continent as well. So uh it was hard to find uh spares for it. Um what we're doing for the moment is is uh he's been on the road for u like over 38 years non-stop.

[00:00:45]He's been insured like all all the time.

[00:00:47]He's you know uh when I take one of my other bikes off the roads uh I use this one. He's sort of like a my number two.

[00:00:56]And uh when I got him, there was a petrol tank, no seat, no back wheel, no back mud guard, no front guard, and a buckled wheel on the front and no primary and no battery box. So I just made something to hold the battery. We had some other mud guards in it and and stuff like that. And then over the years, uh, if I find an original part, I'll repair it. Uh, so there's no pattern parts. They're all, um, original try stuff. Uh, I'll repair the mud guards. There's no filler in these. Um, just take all the dents out, punish them. Uh, this one, all the rivets shared out, so we made some rivets to the original pattern. uh another mud guard part of mud guard uh just you know to change the heads of the rivets so they're back to the original shape as they should be and then you know when it's ready I'll just paint it black screw it on and keep uh using the bike basically so uh it is sort of a rolling it's not a restoration it's but you know uh I will make uh new parts for it. Uh the toolbox needed welding, the back mud card and a lot of lot of work done to it. Uh and then yeah, if we find the original bit, we'll put it on and then slowly is getting more to what it should be.

[00:02:38]And the latest thing that I find for it is a a correct uh uh chronometric.

[00:02:48]Uh but I was hoping to fit in a cell.

[00:02:53]Uh and we haven't got the proper top for it. We haven't got the right bottoms. So no cigar there. So, uh, what we'll do is, uh, made this little bracket here and we'll mount it underneath the U clamps, uh, for the handlebars, and then we can run our speedo, uh, like that. Uh, but what we did find, uh, on the latest, I never had the styling strips, so uh, we had to make some new because we're in France.

[00:03:30]uh and I couldn't get them. Uh we had to make some new tiny little uh tank badge screws. These little thing things here.

[00:03:39]Uh they are 1/8 witworth uh 40 TPI. Uh so uh that's what the little video is about. We're making uh four little screws for the badges. Uh the other ones were they were in there so long. Uh, I managed to get them out, but if you break them, then you know, you're in you're in big trouble. So, I made some new stainless ones. That's a little video. Uh, I started uh dismantling the bike because the next video will be I'll rebuild the forks. So, we got some new stansions for him and new bushes. Uh then maybe I can stop calling him my uh my jalopy because he uh he wiggles around a bit because the forks are worn out, the bushes are worn out. They're still the original bushes from from you, I believe. Swinging arm bushes.

[00:04:36]Same again. That will be another one of the next videos. We'll make some new swinging arm bushes uh for that. and I'll show you there's a little trick that you can do and uh bet you have not seen that before. U but you can make some proper oil bushes um from the cam shaft bushes. You can turn them into swinging arm bushes. So that's something to watch. Uh so yeah um I already getting ready now uh to start dismantling the forks. Uh but enjoy the video making the little screws. It was uh quite laborious for four tiny tiny little screws. They are uh metric equivalent. They are just under 3 mm in diameter and they are 8 mm long in thread or 516. The um that is the the little tap for it to play the threads out. and tiny. Okay, I'll crack on with this. Uh, and that's it for the next video. So, enjoy making the screws and we'll see you on the next one. Okay, bye-bye.

[00:05:54]All right, guys. Yes. Uh, let's make some screws. Uh, our bar stock is 236,000.

[00:06:03]Uh, our uh screw thread is 125,000, but I'll go for 124. It swells a little bit when I cut the thread on it. Uh, so we need to take off um 56,000 um aside. Uh the screw head that will be on here is 185,000. So another 125,000. So, uh, let's just I made this one here was a a little test one to test a thread into the tank. Uh, so yeah, let's run made the other ones.

[00:06:56]When I make studs or bolts, uh, I like to put one at either end. Uh here we go. Another one. So, we're making four. Uh that way after you part it off or we will actually just chop it off. Uh you haven't got no wastage. You know, you end up you only just use the the bit that you want and all if you do them singly, you just end up with loads of little bits uh what are useless. So, uh, yeah, and it makes it you can just flip it over and do the same operation on the other side and sort it gets like a little, uh, production, uh, line going and it's a little bit quicker. All right, there we go.

[00:07:53]The screws got to be uh 5/16.

[00:07:57]Uh I'm going to make them slightly shorter. Um 300,000 uh deep. I'll just do it compound.

[00:08:06]One, two, three.

[00:08:47]4,000 to go.

[00:08:55]Taking a 2,000 offer in 23 and a half. That's okay.

[00:09:21]Let's do the head.

[00:09:40]And another 10.

[00:10:06]All 4,000s.

[00:10:25]186.

[00:10:27]That's okay. 85 and a half. Near enough.

[00:10:33]That's fine.

[00:10:45]on both sides there. One more shamp thread like that.

[00:11:37]Okay, that's that.

[00:11:39]Um, I'll change the camera angle. Uh, and then you can see cutting the thread. The thread it's, uh, 40 TPI witworth. And, uh, I don't know, you can try to get it in focus.

[00:11:59]These are absolutely ancient these dies.

[00:12:02]Uh, the date is there. Look. 19 44 just nearly on the end of the war. Uh the little birth bird foot the little triangle. Uh that is uh they were English army.

[00:12:23]Uh that's what that is. There we go. 40 tpi 1/8.

[00:12:32]So set that up.

[00:13:04]Let's cut these blinds.

[00:13:37]Nice thread.

[00:13:58]All right, last one.

[00:14:03]It's handy having a belt driven life.

[00:14:07]Uh, just pull the belt, you know.

[00:14:11]There we go.

[00:14:15]We're off.

[00:14:25]All right, that's all the threads cut. Uh, my parting blade is slightly on the large side on such a small diameter. Uh, I'm just going to chop these with the angle grinder. Uh then we put it in a fixture and face the front and make the head of the screw. Uh we also put a form tool in there to make the head of the screw uh half round, you know, slightly domed.

[00:15:11]And I'm going to cut a little slot for the uh for the screwdriver. Okay, I'll uh bring you back uh after I cut these off. Uh it's just with the angle grinder. I'm sure you know how to use an angle grinder. Uh and then Yeah. And then we'll face them and trim them up.

[00:15:31]Half round them. Cut a slot and they're done. Okay. Okay. Uh this is uh one of the original screws.

[00:15:40]Uh you see how tiny the uh the head is?

[00:15:44]Uh the straight part of the little screw head is uh 50,000 and a little bit on top for the half round uh little dome. Uh so because we chopped them off with the angle grinders, uh they're all slightly a different length for the moment. So, the way we do this is uh so we're gonna face him now and we're going to bring him to 75,000.

[00:16:18]Uh then I've got 25,000s to play with uh to put the dome on it uh with the form tool. All right, I'll show you how we're going to do this. Uh they're all slightly a different length still so that we do not have to use our compound.

[00:16:38]Uh, we'll do it like this. Uh, right.

[00:16:41]Set our cutting tool off against the arbor here.

[00:16:47]Zero the dial and we'll come 75,000 back.

[00:16:54]50 60 70 there. And then our carriage stop.

[00:17:10]We'll lock the carriage stop just uh against the uh the carriage here like so. But the pin will leave loose.

[00:17:34]There we go. See?

[00:17:39]And actually I can zero the dial to zero now.

[00:17:52]Go.

[00:17:59]And then now I can face him using just using the carriage and I can watch the dial to just dial in a couple of thousands at a time until we hit zero. Uh since all of these will be for the moment they are a slight different height, you know, they're all different.

[00:18:24]So, but then we all end up at 75,000.

[00:18:28]All right, let's do that.

[00:18:37]Let's do 5,000.

[00:19:15]Go.

[00:19:20]That's the first one.

[00:19:32]Let's check that.

[00:19:34]So fiddly.

[00:19:37]Where are we?

[00:19:40]78,000. That's okay. We can all do them at 78. And then we can Oops. Where are we? And now we can adjust it with the form tool till I'm happy with it. And we'll lock them off. And then we can do them all the same again.

[00:19:55]Okay.

[00:20:12]Okay. Uh we set up our form tool and the first one it is trial and error to get the little dome on it. But, uh, see, fits nice. And the straight part, uh, grab our original little screw.

[00:20:36]There we go. I would say it's a few thousand longer as these, but I think we're happy with that. Uh, so we'll stick with that. Uh, so we set the carriage stop again.

[00:20:51]And then uh let's do the other ones.

[00:20:54]Okay, let's get this one out.

[00:21:02]Okay, there we go.

[00:21:09]Pop another one in.

[00:21:28]Okay, let's go.

[00:22:00]Such a tiny operation.

[00:22:10]So far, we haven't dropped any of them.

[00:22:14]last famous words.

[00:22:17]Do another one.

[00:22:57]Yeah, look at that nice little dome.

[00:23:04]A tiny little pip, but that'll uh disappear. Well, actually, I'll use it to center the the solder.

[00:23:15]My little cutting disc. Yeah, quite happy with him. Set up the milling post.

[00:23:51]We just use the jaws uh to tram the milling post in.

[00:23:57]So keep tension on lock them off and then we can tighten that up.

[00:24:14]That's that done.

[00:24:18]And then now we can uh put our little ar in here.

[00:24:26]So here I have a little cutter.

[00:24:48]It's uh nearly like a a little toy cutter, but uh it does do it. Uh it's quite laborious.

[00:25:00]I can only do a few thousands at a time.

[00:25:03]And the screwdriver slot is 50,000 deep.

[00:25:08]So from the dome, the 25. So, we got 25,000 left in the straight part of the screw head. Uh, yeah.

[00:25:21]So, it's quite precise.

[00:25:25]Fit this See how he spins.

[00:25:44]Okay, that's not bad. Okay. Um, we are set up uh to center it. I'll be honest, I eyeballed it. I can see it from the top. a little torch and I would say that is bang on on the little pip. So, he's good. Okay. Uh we need to go in 50,000. Uh that's the depth of the uh screwdriver slot. Uh so we'll touch off first.

[00:26:22]Set me uh cross light to zero and we can start.

[00:26:39]5,000.

[00:26:43]See how it goes with that.

[00:26:52]There we go.

[00:27:12]This is testing my eyesight. This is any smaller then uh I would not have been able to see it.

[00:27:24]Right. Run.

[00:27:26]about screw this one and sight step them.

[00:27:37]Go back down again.

[00:27:40]back in the other 5,000s.

[00:28:01]Yeah. Well, you can see it better than I do. Uh I got to take them out. See what it looks like. But I think 40,000 we got here. I think that's enough. See how well our um screwdriver fits.

[00:28:21]Yeah. Okay.

[00:28:31]Look how deep how deep that is. Shall I stick him back in? I need to have a look at through the magnifying glass cuz I can't see it.

[00:28:44]Yes.

[00:28:48]Hopefully you can see it.

[00:28:52]I would call that done. Uh just tiny little beady burring to do with a little stone.

[00:29:00]Give them a polish.

[00:29:03]And uh we got ourselves our first little screw. There you go.

[00:29:10]One perfect little screw.

[00:29:16]All right.

[00:29:19]Top door, I would say.

[00:29:23]They're deep enough. There we go.

[00:29:26]Yeah, happy with that. All right. I'll see you later. Bye-bye.