Anyone that is bitching about "Over complicated" "too much work" needs to go back and watch some more videos, familiarise themselves with the precision that is the norm for this channel. It's a joy to see someone else that does things because it's the right way to do them, and isn't afraid of taking a long route to get precision.
@sunside79334
5 жыл бұрын
i would've machined some soft jaws to fit the work piece, tbh.
@russel6190
3 жыл бұрын
Use a internal circlip / snap ring. Works like a charm. Fit it in the grooves I have been in machining for 20 years and have yet to find a more simple method of quick back stopping a workpiece in a Chuck
@StraightThread
7 жыл бұрын
Interesting, you hope? I was so mesmerized I forgot to sip my coffee, and it got cold. The detail and precision of your work fascinates me. It is interesting and informative to hear your reasoning as you develop a design. Too, the quality of your videos is just superb. You are in the super-hero class! ;)
@ThisOldTony
7 жыл бұрын
nice! have never seen this style of back stop.
@StefanGotteswinter
7 жыл бұрын
Thanks! Me neither, until I saw it in Robins video.
@ROBRENZ
7 жыл бұрын
Very nicely done Stefan! I am honored that you found something useful in one of my videos. I use my stops all the time and as you know they are very handy. ATB, Robin
@StefanGotteswinter
7 жыл бұрын
Thanks Robin! I am glad that you share your experience so willingly with the world, lots to learn :)
@misterfixit1952
5 жыл бұрын
It is so great to see someone doing such precision work with a little 9 x 20 lathe, especially when you are making upgrade parts for that lathe. I am always watching these guys on youtube with their big, heavy, precision lathes and I suffer from lathe envy. You give me hope as well as good ideas for my little 9 x 20 benchtop lathe. You sir, are an inspiration, even after you upgraded to your newer, larger Enco. The time you spent, sharing your knowledge, will be appreciated for many years to come by those of us in the hobby community. You rock!
@howder1951
7 жыл бұрын
Hi Stefan, beautifully elegant solution to "the washer problem", one truly has to appreciate the lengths you go to for precision. Well done and thanks.
@aserta
7 жыл бұрын
If you put a ring of felt between the plate and the back plate inside the chuck, you won't get any more chips inside. Felt to allow for expansion without interference. I did the same thing on my mini lathe's chuck.
@ronwilken5219
5 ай бұрын
I haven't watched the whole video yet but talk about "reinventing the wheel "! Joe Pie uses three drilled and tapped holes in the chuck body between the chuck jaws. Into these three holes he screws premade, you could grind them to length I suppose, three machined "standoffs" of the appropriate length. He keeps three sets that equate to the depths of the jaw steps. Screw in the applicable set, mount your stock and machine. If you need to make sure they're all the same or a different height just take the jaws out, run a skim cut over the posts, and re insert the jaws ready for your stock. I do believe he has a video about them on his channel.
@samterian7694
6 жыл бұрын
just my 2 cents worth, grinding the tool without warping it lay it diagonally on chuck so you are only grinding a portion at each crank that way you can take a heavier cut with less heat.
@sandersn4
4 жыл бұрын
Stefan..I've been watching all of your videos recently and I've started copying some of your ideas. I had a suggestion for the sliding parts of your stand-offs, You might drill and tap the inside end of each piece and attach a low head cap screw that partly covers the end of the slot. That way if for some reason the clamp was loose on one of the sliders it wouldn't go flying when you turned on the lathe. It would be caught by the tongue of the clamp. It looks like you have enough room so it wouldn't restrict your adjustments. EDIT...I see that your screws are close to the end. Perhaps a thin plate welded on would work..... Thanks for all of the inspirations.
@razorworks9942
7 жыл бұрын
Stefan, I totally like your thinking outside the box as they say. I enjoy your attention to detail, and I like your small surface grinder! Thanks for sharing buddy. Razor!
@GuyBarry1
7 жыл бұрын
Stefan, your skills and attention to detail are truly inspirational.
@StefanGotteswinter
7 жыл бұрын
Thank you!
@thisnicklldo
7 жыл бұрын
Fascinating as ever. Such courage power tapping your chuck. The confidence of the expert.
@dougbourdo2589
7 жыл бұрын
Very nice work Stefan. I like also your notebook for ideas, sketches, improvements, etc.
@juanrivero8
7 жыл бұрын
I must say I understood every bit of what you were doing, but not until the last did I grasp that there were three stops, one for each jaw. Of course, you only showed one being made . Again of course, you need three points to establish a plane, see remedial Euclid. I knew that you knew that, so I was confused until I saw die ganze Sache, then it all became clear. Hmm.I use parallels for the purpose, same as you showed, adjustable parallels in my case. If I were doing production work, I would certainly consider this stop.Bravo!
@ReignOterror
7 жыл бұрын
Your videos as well as your work are of the same high standard. Nice tip on the rotary table, Thanks.
@arnljotseem8794
7 жыл бұрын
Thank you Stefan. YES this was interesting for me! (as always). As I have said before, I learn so much from your videos. I don't understand why you "only" have 14K subscribers. Your channel is a no nonsense, straight to the point, focused on the details machining channel. Nice editing as well. I recommend this channel at every opportunity. Keep up the good work.
@bcbloc02
7 жыл бұрын
I could see this being a huge time saver doing repetitive setups. Nicely done.
@StefanGotteswinter
7 жыл бұрын
Thank you! I used it on this weekend already for a small production run, and it was a great timesafer :)
@fernandgeenevan8773
7 жыл бұрын
Stefan, nice work! Good machining! However, why not just use 'soft jaws'? They are so versatile and (if used correctly) extremely accurate!
@billgilbride7972
7 ай бұрын
I have now witnessed the One Tooth Jaw Punch err Pinch! Unreal how short a region you've managed to get a perfect offset, plus rigidity that might be useful when scribing lines or cutting a key. Still not caught up, but this was worth the time travel. Definitely. I can't actually tell you to keep it up, since this is 7 years ago. I'll go with Congratulations and much future success!
@campbellmorrison8540
Жыл бұрын
Ha "we better not mess this up" hell no, I would be very scared to drill my chuck. Beautiful job as always
@oxtoolco
7 жыл бұрын
Nicely done. All the best, Tom
@StefanGotteswinter
7 жыл бұрын
Thank you Tom!
@garyc5483
7 жыл бұрын
Great job Stefan. A very precise way to get parts to sit correctly in the chuck. My list of items to make gets longer and longer. :-) regards from the UK
@HLGRZ
7 жыл бұрын
Stefan, so wie man es von Dir kennt, Präzisionsarbeit vom Feinsten, sauber dokumentiert. Ich bin schon auf Deine nächste Idee gespannt. Gruß, Hugo
@StefanGotteswinter
7 жыл бұрын
Danke Hugo! :)
@wolfitirol8347
6 жыл бұрын
so i just finished the build of this backstop ... i use all of the possibilities you talk about at the beginning only Toms from oxtoolco i have to try in the future ... i think every backstop option has its good and less good sides so i use whats the best for the job ... oh god if i hear me talking someone could think i know what i do :-)) im lightyears from stefan , old tony , tom or joe p. from texas away nearly all i know i learned from them and some books of Harold Hall or Tubalcain i just want to thank stefan for his work and that he is willing to show us how it should be done .... thanx...
@Gottenhimfella
6 жыл бұрын
Small point for viewers in the US: Stefan's 125mm chuck is ~ five inch, not six.
@rupertpowell
7 жыл бұрын
I too took a liking to Rob Renzetti's chuck stops. I think your interpretation is excellent. I will put some on the list of shop jobs. I think I will have to retire to get all these jobs done! As usual, great video Stefan.
@StefanGotteswinter
7 жыл бұрын
So many projects, so little time ;) Thanks Rupert!
@jameslezak8179
2 жыл бұрын
Excellent video! Thanks for your time and sharing!!!
@worthdoss8043
7 жыл бұрын
Fantastic job, one recommendation, If you use some small shim washers under the hardened depth stops they wont wear the surface of the mounts out where they tighten down.
@agwhitaker
6 жыл бұрын
20:15 - Those rotary table spindles have a stepped hole at the bottom side. It is a simple matter to turn a shouldered plug with an M 10 or .375 "- UNC female thread and bump it into place. This will allow you to drop a suitable stud into the bore and thread it tight. A washer or clamp and a nut will then hold the work firmly in place.
@JANtheDane
5 жыл бұрын
I love this project. I could not help but think of the much simpler solution of drilling/threading maybe 3 holes parallel to each jaw, and then simply make a couple of sets of precision screws to insert directly into the chuck. That would save you from making the sliding system and still accomplish the same. For rigidity, the screws could be made slightly heftier. Anyway, you already drilled 6 holes into the chuck. 3 more holes should make no difference, and this job could be done in a small fraction of the time. Two or three different length screws would handle almost any job. If the workpiece is so small that you would need to slide into the center of the chuck, I suggest an ER collar or a C5 collar would be better suited anyway.
@kevinlizotte897
7 жыл бұрын
Nice project! I like the explanations behind your methods.
@joecnc3341
2 жыл бұрын
"I ground it to roughly 10 mm....." Calipers read 10.000 .. yah.. ok.. only a caliper reading not a mike...but........ you're one helluva machinist - keep 'em coming
@Cpl.Cadaver
7 жыл бұрын
HE'S A WITCH!! Great Video.
@CreaseysWorkshop
7 жыл бұрын
What kind of a mad man power taps a blind hole into their 3 jaw chuck!!! It made me nervous just watching.
@StefanGotteswinter
7 жыл бұрын
Thats my kind of extreme sport ;) Bungee Jumping? Mixed martial arts? Indoor chess? - Pff! Rigid powertapping a blind hole! Thats the real deal ;)
@CreaseysWorkshop
7 жыл бұрын
Haha, Beautiful work. It would be better if you had a checked floor though!
@wolfitirol8347
6 жыл бұрын
normally i would say the same but not if stefan is doing it he's the master of precision and if he power taps it wont break ... me as a normal human would never do that cause mine would break immediately :-))
@pauldorman
7 жыл бұрын
I am still "mill-less" and undoubtedly ignorant, but when you are aligning the work with an indicator while traversing along it with the power feed, wouldn't it be quicker to knock the piece until the indicator needle becomes stationary, rather than knocking it back to zero? I imagine that knocking it until you reach zero will always rotate the piece and require a repeat pass. I know that the material has a bow, but I'm fairly sure both approaches would be affected by it. Excellent video as always Stefan. I have also been very impressed by Robin's videos. It is such a joy to have so many highly skilled machinists sharing their knowledge with us all.
@lorenlieder9789
7 жыл бұрын
Nice job and a great idea Stefan. The back stops will be very handy.
@tinker5291
7 жыл бұрын
Amazing Stefan! Thank you for sharing your extensive knowledge.
@billyc2572
7 жыл бұрын
Stefan, a part like that is best placed diagonally on the mag Chuck. it allows for cooler grinding.
@ernhirn3364
4 жыл бұрын
Stefan i would also machine soft stops so that you can pull the jaws and machine them on the lathe to give you the grip length need as it seems you will never have the exact size you need
@jamwaffles
7 жыл бұрын
The belows on the surface grinder are looking good! Excellent video as always.
@JB-ol4vz
3 жыл бұрын
Very nice Stefan, heading down to my basment shop right away. Thanks.
@Asaadomar
7 жыл бұрын
I noticed you got new covers for surface grinder columns 👍
@paulrussell623
7 жыл бұрын
Great idea, and outstanding step x step tutorial on the build. Cheers, Paul.
@EmmaRitson
7 жыл бұрын
thats a useful addition i think. nice neat design. good to see it in action, thanks for a great video.
@TheWireEDM
7 жыл бұрын
Personally I would have put those backstop pins to be precisely between two jaws, that way one would have 6-position support for thin work, 3 from the chucks jaws and 3 from the backstop. The reason behind this is because I've seen it multiple times on pieces bigger than 150 mm in diameter and having 20 mm or so of thickness, that when faced, the part is not straight but "bent" frombetween the jaws, as the material flexes between the jaws away from the cutter. And it likes to sing very very easily :D But the backstop position "problem" is easily solved: just drill & tap more holes to the chuck :)
@TAWPTool
7 жыл бұрын
Excellent video as usual Stephan! Thanks for taking the time necessary in order to share it with all of us.
@glennfelpel9785
7 жыл бұрын
Excellent, what else is there to say? Also, I like your organization of the tools into a set.This problem of holding a thin part always seems to happen to me when we are in a big hurry. This is the best solution I have ever seen. Thank you for sharing this one!
@intjonmiller
7 жыл бұрын
I really like this style. I absolutely agree that the usual spider is too material-intensive. I just wish I had a rotary table. Hard to make either variety without one. Not impossible, but difficult and prone to errors, at least in my hands. I guess parallels will have to work for a while longer... Thank you for sharing this!
@DSCKy
7 жыл бұрын
I don't think it's hard to make a spider using the the 3 bolt hole function?
@intjonmiller
7 жыл бұрын
But it's not just three bolt holes. It's three slots which have to be either perfectly aligned or oversized resulting in a sloppy fit. I suppose oversized with a through hole to a tapped hole in the face of the chuck would be a reasonable remedy there.
@DSCKy
7 жыл бұрын
+Jon Miller I know it's not just holes. you drill a .250 hole in the center and the 3 hole pattern. insert dowels and use them to square each slot to the axis of your choosing. it couldn't be much simpler.
@MegaCountach
7 жыл бұрын
Very nice upgrade Stephan! Thanks, Doug
@ricktherecorder4416
3 жыл бұрын
Chips inside the chuck? When I took my 40 year old 3-jaw Pratt Burnerd chuck apart there was not a single piece of dirt or swarf inside.
@StefanGotteswinter
3 жыл бұрын
I never have seen a used chuck without chips inside :D
@ricktherecorder4416
3 жыл бұрын
@@StefanGotteswinter I think it's because the only way for chips to get in is through the scroll/crown wheel and this is such a close fit that it needed a drift to get it off its boss, which effectively passes right through the chuck. P.S. I am addicted to your videos!
@AmateurRedneckWorkshop
7 жыл бұрын
Very good design and very well made.
@manusholm3536
5 жыл бұрын
assemble the chuck and back plate with a o-ring to keep the chips out the back
@pierresgarage2687
7 жыл бұрын
Hi Stefan, I'm not proud to say that I know what a forgotten parallel does in a chip pan, something you only do once... NOT TO BE TRIED AT HOME.... Let the pros do it... lol The hardened pins are a good idea since it's easy to make many different height. Cheers, Pierre
@maikeydii
7 жыл бұрын
Definitely needs some kind of a safety stop to prevent the sliding part from flinging out when you forget to tighten the screws or something else goes wrong and for example vibrations work the screws loose...
@StefanGotteswinter
7 жыл бұрын
The moment I forget to check my setup I will quit my day job. :)
@Watchyn_Yarwood
7 жыл бұрын
Very nice project, well thought out and executed.
@1873Winchester
6 жыл бұрын
Have you ever tried a piece of bar with a bearing mounted in the tool post? Just touch the bearing surface against the part and it will align. Maybe it is not as accurate, I saw it on clickspring.
@riccardotrotta3554
3 жыл бұрын
hi Stefan very nice and accurate job, however i prefer To work small tickness with soft jaws machined a shoulder in the lathe. i follow your videos. .. you are a Vulcan of ideas And suggestions. ..thank you. a question for you. ..where di you Buy your broach set? regards Riccardo
@drewrogge4798
7 жыл бұрын
You might want to think about hardening the parts the pins screw into. Over time the pins will start to eat into those parts and mess up the height. Not much mind you but every little bit counts in such a nice setup. BTW, how true does the face of your chuck run?
@StefanGotteswinter
7 жыл бұрын
Yes, I think I am going to do that, harden it and then take it to the grinder one last time... The face of my chuck is less than 1/100mm runout..and if it wasnt I would take a slight facing cut...or surfacegrind it :)
@stanwooddave9758
7 жыл бұрын
Very well thought out plan, Stefan.
@bulldozer7656
5 жыл бұрын
A brilliant project. I hope you don't mind if I more or less copy your design on my chuck... Great work!
@StefanGotteswinter
5 жыл бұрын
Be also sure to check out Robin Renzetti ("ROBRENZ") on youtube, he showed the inspiration to this project.
@bulldozer7656
5 жыл бұрын
@@StefanGotteswinter I did check it out, but I only have a 150mm chuck like yours and I done have the room. I don't have a surface grinder, so I will turn the posts in place on the lathe.
@tano1747
4 жыл бұрын
Joe piezinski's also got a video on simple backstops that are soft, screwed to the chuck face with counter- bored shcs's, and faced on the lathe to identical heights.
@watahyahknow
6 жыл бұрын
the only thing that might happen should you not tighten the clamp enough is the movable piece shooting out by centrifugal force might be a good idea to put some sort of max extension locking pin intoo the design so the blocks cant come out completely and just give you a little scare instead of damaging stuff
@skycarl
7 жыл бұрын
Great idea on this. Enjoyed watching and learned on this. Thanks.
@daniel_6741
5 жыл бұрын
Nice built, I can really imagine this to come in handy. I only have one doubt, had you ever feared those sliders to come loose and shoot around the shop at high rpm? Maybe a hard stop would be nice to lock the sliding parts from moving out to far.
@marceltimmers1290
7 жыл бұрын
Hi mate. I must be the exception to general consensus, but I think that you created a lot of work for yourself, putting it on and taking it off when needing a just simple backstop. I think I prefer the set that Tom uses, quick and easy. Nice and accurate job, though, but that is to be expected from you.
@StefanGotteswinter
7 жыл бұрын
Yeah, but when I need a precise backstop, its generaly for more than one part, and thats when this setup totaly shines :)
@juanrivero8
7 жыл бұрын
Depends on how often you need to do precise alignment on a previously machined part, mate.
@marceltimmers1290
7 жыл бұрын
exactly, I know Tom to be a very exacting machinist, so that's why I like his design better.
@IronHeadMachine
7 жыл бұрын
Great idea with excellent execution
@lawrencelamb9601
7 жыл бұрын
Excellent. What a great idea. I'm going to make a set for my chuck. As always, an outstanding video. You are my guru. Thank you.
@StefanGotteswinter
7 жыл бұрын
Glad that you got inspired by it, thanks for watching and commenting :)
@lewisl5985
7 жыл бұрын
good to see someone not fearful, i power tap and turn small bores all day 3mm (dont do drill chuck to tight and tap will spin when at end of hole) easy
@RaptorMachineToolCo
7 жыл бұрын
Exellent job Stefan !
@agwhitaker
7 жыл бұрын
Very clean, precise work. However, I also started to squirm in my chair when you power-tapped M4 x 0.7 into a blind hole in the chuck body. Question : at 8:33 you describe a "Wise". Please describe - is this a special piece of tooling used only by German engineering firms ?
@centurialinc
7 жыл бұрын
Awesome project and good job. Keep them coming. Best Matt
@StefanGotteswinter
7 жыл бұрын
Thanks :)
@anthonyjones657
4 жыл бұрын
You have to love the simplicity germans add to engineering. Sometimes lol
@BuildSomthingCool
7 жыл бұрын
Very nice design.:-)
@cosimomarotta9552
7 жыл бұрын
Hi Stefan, you know how much I like your projects since 1/3 1911 model, but this time I have to say that I see a flaw in your design. With this sistem you must be focused all the time and remember to tight the screws or the sliding parts fly away with centrifugal force of the chuck. To prevent this, I would have done blind slots on sliding parts so even when you don't tight enough the screws, the slide will not go anywhere. Greetings my friend.
@VAARRR1
7 жыл бұрын
so I also talked about it on. need safety stoper
@MrPetarq
7 жыл бұрын
Yes, yes! He also should put force sensors on jaws. Depending on diameter and material if force is to low he would be unable to turn spindle on (link with spindle rpm is a must!)...
@toddwalterman1470
6 жыл бұрын
Hi Stefan I'm a recent subscriber and am binge watching your videos to catch up. The backstop video is awesome but one thing is bothering me a little. When the chuck is on the lathe there is a potential for the stop to become a bullet if the clamps are not tightened all the way. You can't see if they are tight. You could drill and tap for a SHCS behind the stop near the outer edge of the chuck face. This would provide a safety stop.
@rslrsl7368
7 жыл бұрын
Hi Stefan. If you enable community subtitles I'll be more than happy to add spanish subtitles to them. I know a bunch of spanish machinists that would love to understand your videos.
@plnmech
7 жыл бұрын
Very nice project. I hope to see more in the future.
@roylucas1027
7 жыл бұрын
What a great idea. A lot of work, but we'll worth it.
@terrylarotonda784
7 жыл бұрын
Outstanding work as usual. Great addition. Great video.
@renter007
7 жыл бұрын
Why so complicated, my lathe has a MC2 in the spindle. Cut the point off and thread. Use fine thread metric M10 inserts with different size discs. Part depth can then be adjusted and tool can stay in the chuck during machining providing extra support at the back.
@StefanGotteswinter
7 жыл бұрын
I agree if I had to clamp parts that are rather long and small in diameter, but I need something for parts with big diameter that are pretty short.
@outsidescrewball
7 жыл бұрын
Great video and build!
@BickDE
7 жыл бұрын
Stefan, I was familiar with other forms of backstop but not this one. Nice video but why do you prefer this over the 'ball bearing' one? BTW I enjoyed the video very much and your precision. Bob
@renter007
7 жыл бұрын
That chamfer machine is a sick idea. I have to stop watching your video's, too many wonderfull idea's, i run out of time in this life.
@StefanGotteswinter
7 жыл бұрын
Build one :) Its a nice rainy-sunday-project!
@fuckingpippaman
7 жыл бұрын
Would you do a short video on the hand made spot drill? (if you haven't already and i missed it) Thank you and great work!
@billsmith5166
4 жыл бұрын
Just re watching your videos and I don't remember this one. The designer had a great idea and your work was once again a lot of fun to watch. I did wince at the thought of drilling into the face of a chuck. Sacrosanct! Do they play chords at different speeds?
@imajeenyus42
7 жыл бұрын
I love your little chamfering machine - any more info on it? Is it build around a router spindle?
@StefanGotteswinter
7 жыл бұрын
Not only a video, also a writeup :) gtwr.de/projects/pro_chamfer/index.html
@imajeenyus42
7 жыл бұрын
Stefan Gotteswinter Awesome, thanks!
@EitanTsur
5 жыл бұрын
Do you have a video on making the chamfering tool you used? That's a great idea and I'd like to build something similar.
@malmbergmorgan
7 жыл бұрын
i like your precision in everything, one question: what is the name/number of the green color you used on the lathe?
@MrCrispinEnterprises
7 жыл бұрын
Great video and a nice simplification of Robin's design. Do you have any more info on your chamfering machine?
@StefanGotteswinter
7 жыл бұрын
Yes! :) gtwr.de/projects/pro_chamfer/index.html
@iteerrex8166
6 жыл бұрын
Hello Stefan, I have a noob question.. What do you think of attaching the stops to the side of the jaws? Yes it'll make the stops a bit flexible, but since there are little to no forces on them, it might be ok. A couple of small screw holes wont hurt the jaws much, and this way the stops would travel along with the jaws :) May be do this on a second jaws set!? Thank You
@StefanGotteswinter
6 жыл бұрын
Could work, but the jaws are generaly hardened, its no fun drilling and tapping into them... :)
@iteerrex8166
6 жыл бұрын
Ahh ok thanks bro. like I said a noob question lol
@franciscoanconia2334
3 жыл бұрын
where can I find the correct torque I can apply to my chuck?
@q12x
2 жыл бұрын
very nice setup !
@mayhem7090
7 жыл бұрын
Magnifique boulot ,très bonne idée et vraiment efficace ... 👌
@lewisl5985
7 жыл бұрын
cool but just a thought are those captured? might pay to do something about that ,hate for one to fly out at you
@Cuetips1000
5 жыл бұрын
Die Schleifeinrichtung ab 14:45 gefällt mir. Was für einen Schleifstift verwendest du dafür genau?
@StefanGotteswinter
5 жыл бұрын
Da ist ein 6mm Hartmetallfräser, 6-Schneidig drin :) Mehr hier: gtwr.de/german/projekte/pro_fasenfraes.html
@zumbazumba1
7 жыл бұрын
Nah its too complicated i usualy use my lathe cutter handles as paralels or hss bars.You can also put it in a low speed,put workpeace in a barely tight chuck and use a peace of brass or plastic to push it in and center it.
@StefanGotteswinter
7 жыл бұрын
To complicated for your applications maybe - It suits my needs perfectly, I used it pretty much the whole weekend with changing setups and its just convenient :)
@geneelliott3230
7 жыл бұрын
very nice and very usable which will save tons of set up time in the future! Cheers
@StefanGotteswinter
7 жыл бұрын
Thanks! It has already proven very usefull this weekend, I used it a ton :)
@longshot789
7 жыл бұрын
What would stop you from taking the main jaws out of the chuck and facing off the standoff pegs instead of grinding them? (if you didn't have a grinder anyway)
@MrLibbyloulou
7 жыл бұрын
Great when you have the right tools.... good vid, very educational!!!
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