Metal Lathe Tutorial 17: Taps And Dies

Рет қаралды 127,846

Күн бұрын

This is Lathe Skills, a multi-part series to help you learn basic machine shop work. Exclusive videos, drawings, models & plans available on Patreon!
/ quinndunki
Watch the whole Lathe Skills series at
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Greenfield Tap Wrench photo used under Creative Commons BY license. Photograph taken by Glenn McKechnie on the 26th March 2005.

Пікірлер: 154

@dismalfist 3 жыл бұрын

I'm binge-watching these. I don't even have a lathe.

@backyardmachinist 3 жыл бұрын

Don't worry, you can grow up to be a big strong lathe.

@jacobmotum 3 жыл бұрын

Same here XD

@adityapartap 2 жыл бұрын

😂😂😂 same here

@200434ton 2 жыл бұрын

Me either but I plan to. I get to use them at work so this is fantastic for me. I get to go through trial and error on someone else’s equipment 😂

@358trucking 2 жыл бұрын

Me Too! Except that I took the plunge just yesterday. I bought a “King KC 1022 ML”. It was in the budget and was about the size I could handle for my home shop. Don’t know anything about lathes except what I learned here. I hope it is a good one for me. Time will tell! Oh,well. I got it now. This will be a major learning curve for me. I sure appreciate “BlondieHacks”. Don’t even know what to do next except to go buy some metal. Maybe some brass, aluminum and 12L14,as suggested.

@girliedog 5 жыл бұрын

beautifully clear and not overspoken, thank you for sharing this with us

@owenclark7210 5 жыл бұрын

The other benefit to single point threading over taps/dies, is if you have to thread an oversized item - typical tap/die sets only go up to 1/2" (12mm) sizing, and larger taps and dies can be prohibitively expensive for the home hobbyist, especially if you only need to use it once or twice

@keithdavis00 11 ай бұрын

This woman really knows her stuff. I'm just now getting back into this after a 45(!) year hiatus as a two-year apprentice. What I really like, compared to some of better KZfaq channels on science and technology, is that she not only knows what she's doing (many do), but understands the physics/dynamics correctly (most don't). I really appreciate her getting me back up to some kind of speed.

@timvivoda5208 2 жыл бұрын

Your a fantastic engineering teacher .I'm a engineering trades person and your videos are fantastic the best on here I've learnt allot as you never stop learning Tim from Australia 🇦🇺.

@kevinzucco8358 5 жыл бұрын

Great video, thanks for the tip on using the correct drill size for metric taps.

@Blondihacks 5 жыл бұрын

This is the best part of metric. 😄

@martinrandez7021 3 жыл бұрын

Love all of your videos! I don't even own a lathe and yet I am totally drawn to learning about that wonderful piece of equipment. Your teaching style is flawless :)

@QUIROPTEROHOLLOW 4 жыл бұрын

I remember Joe Pie. Making a tool for the dies, to use them with the running lathe. Awesome video as always Quinn!

@elgallodecente1472 5 жыл бұрын

Your are excelent.teacher... congratulations!!! I love your Style of teach, is very clear & single

@Arckivio 5 жыл бұрын

Just watched this whole series of video's & found them excellent, just what I needed. Made the odd part on a mini lathe but never really knew what I was doing. Now I have a bigger lathe I really wanted to find a clear, basic tutorial & these video's are it. Thanks

@Blondihacks 5 жыл бұрын

Awesome! Thanks so much for watching!

@josephdestaubin7426 5 жыл бұрын

I have never considered turning the tap around together closer fit, but then what would one expect from a lowly woodworker who only owns dies so he can fix his wood tools when they break. Excellent tutorial! :)

@Blondihacks 5 жыл бұрын

Check the die first- lots of them don't have this flipping feature. I bought a whole set of expensive ones that don't. 😒

@WorksbySolo 5 жыл бұрын

Thanks for another note worthy tutorial. I’ve just added two more shop-made-tool projects to my list.

@Blondihacks 5 жыл бұрын

I'll probably do videos on making those two tools at some point. Stay tuned!

@johnapel2856 5 жыл бұрын

Another good video on the basics. Loved the piston falling out sequence. Yes, I laughed out loud. Thanks again for your work on the videos. Meow.

@Blondihacks 5 жыл бұрын

🐈

@JohnBare747 5 жыл бұрын

Another very clearly explained and informative beginners tutorial Quinn, keep on hacking Blondie!

@elgallodecente1472 5 жыл бұрын

You are my first teacher in the world of lathe’s

@elgallodecentealdama595 5 жыл бұрын

thanks for your reply, i hope the next video,

@rpower1401 5 жыл бұрын

Great video! I'm a fan of thorough ground up learning (or brushing up) on various topics of interest to me. Thank you for your efforts!

@theot7183 2 жыл бұрын

Got myself a mini metal lathe after having a 3D printer for a few years and now I’m binging these, I would be so lost without you 🙏🙏🙏

@ldmmmo9410 3 жыл бұрын

I have watched from video 1 and ... You are just Amazing - So informative and well Spoken !! With love !!

@rickpalechuk4411 5 жыл бұрын

Thanks This Young Quinn :) for another excellent tutorial. Cheers

@RelentlessHomesteading Жыл бұрын

Very good suggestions and notes that otherwise would have taken time to figure out. I just built a tap wrench from Winky's Workshop, my old tap holders were lousy. Now for a die holder. Never had any real issue with eyeballing the angle,... until doing precise machining, amazed me how much the angle could be off.

@0402Grappler 3 жыл бұрын

Great presentation. This is the first video of yours I watched and immediately subscribed which is rare for me. Well done

@vernonland5987 3 жыл бұрын

Have learned more on this channel than my metal shop class back in 68. Great channel!

@jonasghafur4940 11 ай бұрын

for anyone watching in germany or in another country where knuth machine tools are distributed, they sell a multifunctional tailstock holder that can adapt to 5, 6, 7 and 10mm taps as well as 16, 20, 25 and 30mm round dies with a morse taper on the other side. for what its worth, ive been very happy with mine.

@MattBerryCustom 5 жыл бұрын

Great video, packed full of information as always. Thank you!

@guillermohernandez3252 5 жыл бұрын

Hi I I’m new viewer and I love learning machining mostly i see the tutorial from mr Pete and others but I finding awesome learning from u too because I think every single day we have something new from everyone congratulations and go ahead

@miguelgarza6246 8 ай бұрын

You are super helpful I am so grateful for your videos I am making my own personal hobby shop and your videos answer so many of my questions you're so awesome keep doing what you do

@timdavies9494 5 жыл бұрын

Fantastic video! I learnt a lot of new tricks :) thanks for sharing!

@PhaseConverterampV 5 жыл бұрын

Good description. I’m from a job shop, so yes, tap in the chuck slow speed, let TS float, go until it spins, back out and finish by hand. Seen some guys ( welders ) tig a weld spot on the tap shank to keep it from spinning in the Jacobs chuck. Sounds crude, it is, but works.

@Seed2Sapling 5 жыл бұрын

Thankyou kindly for these tutorials.

@alanwilliamson2259 8 ай бұрын

As usual I'm about 4 yrs behind, but thanks so much for this video it has opened up another avenue with my little machine.

@DEtchells 2 жыл бұрын

Wow, *super* useful tips (the whole series, for that matter). I’m working through all of these rapidly, because my first metal lathe (a PM1236, a lifetime-dream tool!) is arriving the day after tomorrow. This series of going to help me SO much in getting started on the right foot with it, thanks!!

@Blondihacks 2 жыл бұрын

Congrats on the new lathe! You will love it!

@markthompson8656 5 жыл бұрын

Very thorough explanation lot better than my machine tool college professor did for me.

@Blondihacks 5 жыл бұрын

Thank you! That's a fine compliment indeed. ☺️

@garythomas4914 2 жыл бұрын

I love your style Quinn, have you ever taught anything before? I am just a few days away from finally firing up an old Logan and metal turning is entirely new to me (always been a woodworker). I do have a lot of experience with the cross-slide table on my patternmakers lathe but turning wood and metal is night and day. I was touched to see this ring project as my wife's grandfather once lived in my house and he used to make them for neighborhood kids til he died about 1968. He worked at a place down the street called the United Shoe Machinery Co., they were the world's largest manufacturer of shoe making machinery. When the guys retired, they were allowed to take their machine home if they wanted. Some of the people who grew up on the street say that they still have the ring "Pop" Dalton made them!

@kryzstov 4 жыл бұрын

Great video. - thanks! I didn’t know about the tailstock die holder. I think I’m going to try to make my own :) It’s always so frustrating trying to get a straight thread.

@johnchung6900 5 жыл бұрын

Very clear explanation

@davidhawley1132 10 ай бұрын

I just made the die holder, my second project on my mini-lathe. It has cleaned up my dodgy threading. One refinement I made is to substitute a C pin wrench for the rod handle; I made 4 holes around the die to accept the wrench's pin (which I also refined a little). Probably one hole would have been enough. That works fine for the brass I am threading. I also watched the tutorial on bits. I would have benefited from a discussion of the various bit geometries for different tasks, as I received 11 cheap carbide cutters in my lathe package, but there's absolutely no labelling.

@robertevans6481 5 жыл бұрын

Thanks for the tips...have you done a shop tour in the past?

@aerascy 4 жыл бұрын

Beautifully done , as all the tutorials. 10 out of 10 for lighting , camera placing , pace and content. Love your voice too ! Did you consider singing ?!

@Blondihacks 4 жыл бұрын

You definitely don’t want to hear me sing. 😁

@paulmorrey733 2 жыл бұрын

Thanks Quinn

@oldfarthacks Жыл бұрын

You are just a pleasure to watch. Well done. Many others have given this information, but you are just fun. As to why to cut single point threads, well sometimes just because. Why not. But a more compelling reason is when you are cutting something out of the normal. The 60 degree V threads through about a half and inch are cheap and so why not use the taps and die. But above that size, or in a form factor other than 60 degrees, single point is probably the way to go. In example, say that you need to cut a 1/2" Whitworth thread, that die will set you back about 20 bucks. Or you can grind a tool out of an old busted off tap and cut it for a few cents in electrical power to drive the grinder. There is one other place where single point cutting needs to be done, that is when you need to be able to clock the threaded item to a feature. A common case would be say the barrel on a rifle where there are features such as sight bases already on the barrel. A prime example would be say the barrel on a WW2 US M1 Carbine. The gas port and other features are already in place. With a single point, you can define exactly where to start the thread so that when the barrel is screwed into the receiver all things line up.

@rayfalcone6897 4 жыл бұрын

sweet,nice and easy.thanks for sharing.

@tenbysevern4129 5 жыл бұрын

Great video thanks. I would love to see a video on surface finishing like the black finish on your home made die holder.

@Blondihacks 5 жыл бұрын

Yah, I probably will do that! The finish I use there is Brownell's Oxpho Blue. Link is in the description.

@RagsdaleCreek 5 жыл бұрын

Another great presentation! 🍪 Watching in Alabama!

@PeterPetrakis 5 жыл бұрын

Well done

@MrSeeuu 25 күн бұрын

Great program! 👍🏻😃👍🏻

@wolfitirol8347 3 жыл бұрын

One of my first projects when I bought my PM 1127 Clone I made a handle for the chuck for such work....It comes from the other side of the spindle stock into the spindle and is Aluminium nearby the inner ID size if the spindle but is two times slitted and has a slightly cone part inside ...with a long center screw this cone comes into the part and pushes the slitted parts against the spindle wall inside and holds the handle very tight (the handle is attached to that part) ...now I can turn the chuck by the handle exactly from the other side of the spindle stock and afterwards if I want to remove it I open the screw which tightens the clone into the slitted part until it moves free again ...it works great and I've never seen a better lathe handle which can be installed and removed that easy... I love the blondihacks videos she explains everything so logical and interesting they are very good 😎👍✌️

@Blondihacks 3 жыл бұрын

Thank you!

@amanofmanyparts9120 4 жыл бұрын

For me (and many others) I'm glad you started out by showing/mentioning model steam engines. That's exactly what I've bought a lathe for. My 7" X 14" Chinese mini lathe is theoretically capable of machining almost every part of a 1" scale working model all the way up to the 7" diameter driving wheels - the largest that might need turning! Of course nearly all of the tapping and threading would be either 'standard' Imperial or BA sizes. I'm not sure if a milling adaptor could go that big, though. Have you considered using a 1" wide strip of material cut from a soda can (several lengths to suit the tap sizes) to put between the jaws of the Jacob's chuck and the tap?

@1tonygunalan 2 жыл бұрын

You are a strong coffee drinker. If I am nearby I will surely buy you more than one. Right now I am in Malaysia thousands of miles away. What a pity.

@mirage3rd 5 жыл бұрын

Why can't all videos be that clear, be it in speech or image. Thank you.

@Blondihacks 5 жыл бұрын

Thank you very much! That's kind of you to say. ☺️

@coalcrackeroffroadadventur7899 5 жыл бұрын

I lock the tap wrench between the center and the piece, with the handle of the wrench held by the cross slid. with the lathe in neutral turn the chuck with the left hand and hold pressure on the tail stock with my right

@ianday38 9 күн бұрын

"Metric is really simple....if you're cutting imperial threads you'll be looking at these charts a lot" 🤣 I'm a child of the metric age and I've just bought my first lathe, it's British and from the 1940s. I'm going to be looking at charts a lot and trying to remember fractions from my school days!

@lemat3219 2 жыл бұрын

tnx quinn

@IW4DBX 4 жыл бұрын

Just a metric tip for metric tapping, we multiply the M number by 8 and then divide by 10. Is not precise, but this formula give a quick size to drill before tapping. For example, to tap an M4 thread, 4x8/10 give you 3,2mm hole size. M10 needs a 10x8/10 drill bit size o 8mm

@porkerthepig Жыл бұрын

Better to just minus the thread pitch from the nominal major diameter M6x 1mm pitch / 6-1 = 5 mm drill Plus the tapping drill for a standard M10x1.5 thread is 8.5

@dllee5930 3 ай бұрын

This information was exactly what I was looking for. Do you know if they make dies for acne threads or can you cut an acne thread, on a mini lathe like yours.

@stu7161 2 жыл бұрын

Running a Tap in smaller parts I've found can generate a surprising amount of heat, even using cutting oil. The heat can cause the tap to seize in place and break off in the hole if you aren't really careful. I've found something that helps out a lot is to keep a can of Computer Duster on hand. Hold the can upside down and give a shot of that cold stuff on the tap threads cools the work down right away and frees up the tap. (no pun intended).

@guyloughridge4628 5 жыл бұрын

Thanks for showing the advantages of using dies to do threading on the lathe. The last minute or two of the video contained the kicker. That’s where you spoke about the tolerances that can be achieved using single point threading (lathe threading) and how that compares to using dies.

@Blondihacks 5 жыл бұрын

Yah, in hindsight maybe I should have led with that. 😀

@nathanielstephenson7932 5 жыл бұрын

I don't feel that this is the proper use of the idea of tolerances. A thread standard has certain tolerances built into the standard. The five under, or .245", that was cut for the die example in this video is actually just .0002" above the middle of the allowable maximum and minimum for the major (assuming a class 2A thread). But more importantly, the pitch diameter controls the amount of "slop" that is found in a certain thread class, meaning one could cut the major at .230" and cut the pitch so that the fit was tight (this greatly reduces the strength of the thread mate even though the fit seems fine). Single point threading does allow control over where in the tolerance range you end up. Long story short, always check the standard, because that's what QC is going to do :)

@DavidLindes 3 жыл бұрын

5:10 - haha, indeed. So metric = fewer charts needed? I was already sold, but now I have a new way to sell it to others!

@kenalford2538 3 жыл бұрын

'The ridiculous chart' ... 😅🤣😫 excellent.

@larryshaw796 5 жыл бұрын

Dies can be confusing some times, like you said with mechanics dies and chasing dies and threading dies some dies do both, irecently had to get a following tap for my drawbar on my little watchmakers lathe because it wasn't pulling the Chuck's up into the headstock all the way, you can never have enough tools you know?

@Blondihacks 5 жыл бұрын

For sure! Many people swear that all hex dies are chasing dies only, but the hex set I have are definitely cutting dies. It's a messy world out there.

@scharkalvin 5 жыл бұрын

Square is nice. I built Gingery's coil winder which required threading the end of a brass rod. I managed to do the job with a die, holding the rod in a vise, but getting the die started square with the rod wasn't easy. I ended up with a bit of a lopsided thread on the rod. So my take up spool on the coil winder had a bit of a wobble to it. It still worked, but it looked ugly. Free handing a tap using a tap wrench OTOH is a bit easier for some reason, IF you bore the right sized hole for the tap. I bet it would be a piece of cake with the lathe. I like how you bore a hole into the middle of a metal rod. I've attempted it on my drill press by first aligning the chuck with a drill press vise using the desired drill (bit) chucked backwards in the chuck and then lower it into the vise. With both the vise and chuck in the right places, I clamp the vise to the drill press table, then release the chuck. Now I chuck the work (rod) into the drill press chuck and lower it onto the waiting drill. It sometimes almost bores a perfectly centered hole in the rod. :-) I get the bit about chucking the hardened steel tap into the jaws of the chuck, but hey, aren't drills just as hard as the tap? Why don't you have the problem when drilling?

@Blondihacks 5 жыл бұрын

Robert nailed it in his reply. Also, even the hardened parts of drills aren't as hard as taps. Try drilling in to hardened steel and watch what happens. The drill bit dulls instantly. I've done that more times than I care to admit. 😄

@scharkalvin 5 жыл бұрын

Maybe that's why when taps fail they break off, while drills just burn (at least most of the time. I've broken off bits, but only ones of small diameter.)

@Blondihacks 5 жыл бұрын

scharkalvin Exactly right- taps shatter because they’re hardly tempered at all. They’re hardened to nearly glass hard and left that way. Other tooling is tempered back to various degrees depending on the use case.

@Tinker001 5 жыл бұрын

@@Blondihacks & the most annoying tool breakage you can possibly have is a broken tap deep in the part... :(

@Blondihacks 5 жыл бұрын

@@Tinker001 So true. It often makes scrap of the entire part. 😕

@ianmoore525 2 жыл бұрын

Love your work. Would you consider, when for example you said you can thread this with 2 hands, also say something like if you only have one hand ( like me) , or u might say one hand free, you could do this… if anything comes to mind I mean.

@kirkswater Жыл бұрын

As a very new novice machinist…. would it be possible to make a reducing bushing out of a less hard steel or maybe brass, to act as a go-between the Tailstock mounted Jacobs Chuck and the cylindrical shaft of he Tap Bit? Would the grip then be more secure between the Rock and the Hard Place?

@bobkeller8383 4 жыл бұрын

I looked through your tool links but did not see the tap or die holders or a spring loaded tap follower in the list. Can you recommend some that are good but yet affordable to use with the lathe? Thank you

5 жыл бұрын

Good tutorial explains why you use taps and dies and when. You say you get a tighter thread with single point cutting, surely that is only if the single point tool is ground correctly. How many are accurately ground?

@Blondihacks 5 жыл бұрын

Excellent point! That does assume a perfectly ground thread cutting tool.

@Tinker001 5 жыл бұрын

Mine are... Oh, wait... Had to learn THAT skill first. & I rarely do single-point because it's more work than taps & dies...

@matspatpc 5 жыл бұрын

There is of course other reasons for using single-point tapping, beside precision. One of those reasons is is the fact that the thread is unusual size or pitch, and the right size and pitch dies or taps aren't in your box of dies and taps. Particularly when you only need ONE thing cut to that thread. If you are able to, and have a thread-cutting tool available (that is suitable size and shape for that thread!), you can get round the problem without finding someone that sells that odd size tap, and without spending the money on a tap and/or die (set) that you will use once or twice in your life. Also, for those larger operations, cutting thread with tap and die gets really hard work. Even moderately large threads (like M10 or M12 - roughly 3/8" and 1/2") starts to require quite a bit of muscle to turn the die and/or the chuck - I've been known to put a spanner on the chuck jaws before now to get the thing to turn. I don't have bigger dies or taps, but I imagine that M14 or 9/16" would be even more effort - not only is it a bigger diameter, but the thread is also deeper, meaning you end up with a "bigger cut". Drawbacks are of course that it takes longer - just setting it up is a bit time-consuming.

@reddnmilla 2 жыл бұрын

You ever tap using the power Quinn?? I recently power tapped on the lathe with a Jacob's Chuck. It worked out but the tap did spin on my first attempt

@gr1nder07 4 жыл бұрын

3:07 "ehhhhh" lmao

@premnas651 2 жыл бұрын

Now that I've become proficient on my wood lathe, I'm wishing I had a metal lathe. Since I can't afford a metal lathe at the moment, I'm wondering how much machining a wood lathe could machine if a wood lathe could machine... metal.

@timvivoda5208 2 жыл бұрын

You have to subscribe to this wealth of wisdom Tim from Australia 🇦🇺

@tedhargiss1056 5 жыл бұрын

I have really enjoyed your Metal Lathe Tutorial series. I found your channel from Project Egress. Good job on the turnbuckleish part. I have recently come to be fascinated with machining and milling. I won't go into what got me interested; but, it was kind of like thought patterns - one things leads to another. With that, my biggest unanswered question about all this metal work is how does one learn all the stuff required to be a machinist? Certainly KZfaq is not the answer, albeit a great start in 2019. Is it schooling; apprenticeship; books galore; trial-and-error? What's your background? Maybe you've covered this before, but I have only watched the Project Egress video and this series. Thanks.

@Blondihacks 5 жыл бұрын

I’m glad you found my channel! I’ll be doing a ton more educational content. I have learned from a combination of books and KZfaq. If I was trying to do this professionally, trade school is still the best way. But as a hobbyist, you can learn what you need from books and KZfaq.

@tedhargiss1056 5 жыл бұрын

@@Blondihacks : Thanks for the response. I learned how to (and actually did) completely tear down and rebuild a car (including the engine) from KZfaq. I'm sure YT will be my go-to place for all things milling. I have learned a great deal already from you video series. Thank you for your effort in putting them together. Now I just need to get a lathe and a mill. There's soooo many options; where to start...

@allpraisebob 2 жыл бұрын

While a tap in a chuck (whether Jacobs or Albrecht) will eventually spin, and likely ruin the chuck jaws in the process, it is a great way to start a thread to ensure it is straight, especially with a plug or bottoming tap. Just don't try to get more than 2 or 3 threads going this way before switching over to the tap follower and center-drilled tap wrench to complete the threading and you should be fine. BTW - I have learned from experience that better quality HSS spiral flute taps from reputable brands really are worth the extra money, but in some cases - like with YG-1 - the difference in price isn't even that steep, especially not compared to how much better - and faster - they work.

@Xtafa 3 жыл бұрын

Anyone have links for these kind of wrenches? I can only find flat backs or ones with rods

@jerseyshoredroneservices225 Жыл бұрын

Any reason this method would not work well with an m5 forming tap going into 2011 T3 aluminum?

@ItodoVincentonah 6 ай бұрын

Good ideal

@marko99butter 5 жыл бұрын

I still use the tailstock die holder I made in shop class for

@Blondihacks 5 жыл бұрын

Mark Butterworth That’s great! Good tooling lasts a lifetime, and then some. 😄

@Tinker001 5 жыл бұрын

@@Blondihacks I have tools much older than myself in the workshop. Every time I use one of them I get the warm fuzzies...

@nateanglin3292 3 жыл бұрын

@@Blondihacks Ya. My lathe is 110 years old now. still does the job. now if I can just figure out what that job is.

@iSpaceCab 2 жыл бұрын

Hi there. Can you advise on what diameter i should machine a brass rod to to create an M10 thread ? I seem to keep stripping the thread while cutting & I’m not sure what. Thanks.

@Blondihacks 2 жыл бұрын

You want to go a bit under the major diameter of 10mm because the die needs clearance. In brass you also need to put a fair amount of pressure on the die to start it or just chews up the end. The first thread isn’t strong enough in brass to pull the die on.

@yuxuansun8271 Ай бұрын

Can you please share where you purchased this lathe? Thanks!

@stormyeffects4795 3 жыл бұрын

Do you have a tutorial on thread cutting? I tried to find one on your channel but I didn’t see any?

@Blondihacks 3 жыл бұрын

Not yet, but I have one coming!

@rbnsmntk7735 5 ай бұрын

Where can I find a tap wrench with center, please? I can’t find any one in internet! I’m from Europe.

@jonatanrullman 2 жыл бұрын

9:30 Surely, Bjorn Stronginthearm is my uncle? Sorry, couldn't resist.

@jamiemclaughlin6965 3 жыл бұрын

You are the Bob Ross of metalworking!

@donbarile8916 2 жыл бұрын

The Martha Stewart of machining!

@darryllcrook376 5 жыл бұрын

You are a little unfair on imperial threads. The diameter minus pitch concept works acceptably for any 60 degree thread, metric or imperial. 1/4-20 has a pitch of 0.050. 0.250 minus 0.050 gives 0.200, nearly enough the diameter of a number 7 drill. It means that if necessary, you can get by with just a drill chart.

@georgewolf7063 3 жыл бұрын

So... (in Metric threading) hole size = Major dia. - Pitch, but... how does one figure out what diameter to make the stock for threading with a die? Is it minor dia. + Pitch?

@Blondihacks 3 жыл бұрын

Major diameter minus a couple thou

@georgewolf7063 3 жыл бұрын

@@Blondihacks Oh, thanks! And after rewatching I realize I missed that statement in this video. Sorry. ;)

@georgewolf7063 3 жыл бұрын

My threading kung fu is very bad. When the material doesn't turn in the collet or vice, it just twists and/or breaks off. Is it possible I'm just using the wrong materials?

@Shawn_White 5 жыл бұрын

Should I buy a lathe or a mill as my first machine tool.

@Blondihacks 5 жыл бұрын

Great question! Definitely the lathe. It’s the more useful machine, teaches you all the fundamentals of machining, and there’s very little you can’t make with it.

@jerseyshoredroneservices225 Жыл бұрын

When I was a kid I remember being taught that a lathe is the only tool that can fabricate itself.

@panther105 Жыл бұрын

I would "die" for a full set of quick change gears..!!

@lompatin 27 күн бұрын

I don't have a lathe, but at least this time I do have tap and die set

@bjorn301 4 жыл бұрын

"Chaos ensues", will cats and dogs be living together?

@PorchPotatoMike 4 жыл бұрын

Mass hysteria!

@horrorhotel1999 4 жыл бұрын

Also, even a cheap BSP die set costs around 160ish$ while the ability to singlepoint thread was already paid for when you purchased your lathe. Especially if you want to cut a one-off specialty thread, it is usually much cheaper to custom-grind a HSS-tool and make it that way. Add that to the fact that singlepoint threading is fundamentally more precise if done right, and you really have no excuse to not get comfortable with it, especially in the homeshop, where spending a few more minutes instead of dollars to cut a thread isn't that dramatic

@Blondihacks 4 жыл бұрын

Except change gears really suck.

@towzt 4 жыл бұрын

Who don't you put a spring between your jacobs chuck and your tailsctock die holder. You probably do have one laying around that is big enough to fit over the peice of metal that you use to guide the die holder.

@Blondihacks 4 жыл бұрын

Those two parts separate by design. It’s helpful to move them independently and no spring would be strong enough to start the die anyway.

@rustybucket3495 5 жыл бұрын

awsome vids its been 5 days are you on vacation?

@Blondihacks 5 жыл бұрын

Rusty Bucket Haha, don’t worry, new video coming very soon! 😉

@billbaggins 5 жыл бұрын

Things will fall apart and chaos will ensue ..eeeehhh 🤣 great refresher on the superpowers of threading I see Abom is making progress on the machinists relay, gonna be fun following whatever it is wherever it goes..🤔 maybe it will end up as part of Wintergartans MMX, that would be pretty cool😊 btw some moron reckons Adam is "wasting his time on bimbo work" 🙄 I set him straight on his sexist attitude

@Blondihacks 5 жыл бұрын

It would be amazing if it ended up in Wintergartan's hands at some point! Thanks for standing up for decency in the other comments. Much appreciated!

@billbaggins 5 жыл бұрын

Sure would 😊. he is an amazing young bloke.. no way could i keep something that complicated in my head 🤣 I usually avoid "feeding the trolls" but some things trigger me 👊. the comment was removed ... as was my response 😲🤣

@Boultonful 5 жыл бұрын

whot happened to the days when you purchased you taps , they came in sets of three, first , second and bottom tap. on your video, you seem to be starting with a bottom tap, from an old engineer

@Blondihacks 5 жыл бұрын

John Boulton You can still get all three, but with the lathe you don’t need help starting the tap straight, so you can go straight to a plug tap (or sometimes even bottoming). I have a full set of taper and bottoming taps, but rarely use the tapers.