How to Sharpen Drill Bit / Drill Sharpener tool

[@jisakukobo]

I hope you will share my videos with your friends!

[@martinezlopez4699]

Zen-Handcraft at its best! It invites for meditation while crafting 🤪 Any chance of adding the Dimensions, Numbers etc. subsequently or in retrospective?

[@andrebataille621]

Bonjour, Oui bien évidement et tout le plaisir de regarder les vidéos Bonne continuation Et merci a vous

[@alvaroruiz8467]

Que fácil y que ingenioso es, voy a copiar tu plantilla ,gracias por tu consejo.

[@danielbloxam4846]

All your videos are great! Have you any ideas for making a jig for sharpening flat bits?

[@РодионРодин-ь7э]

Идеально! Просто и эффективно. Пожалуйста, можно сообщить параметры и углы заточки?! Успехов в творчестве!👍

[@robertallaire432]

Hello dear friend - A sharpening drill is the most complex thing in mechanics! You're using an unconventional system, but one that works. Standards specify precise angles that make a good compromise between sharpening quality and durability. Your drill sharpens well because the countersinking angle (dépouille in French) is very important, more so than the standard 2° for steel. For us, having to sharpen a drill more often is not as much of a problem as it's in industry. That's why I'm going to test your system, because I've been sharpening my drills "hand in the air" for over 50 years. The only drawback is symmetry, which is never perfect. So thank you for the lessons you so kindly provide. Bravo again, you're a master of ingenuity.

[@chrisschmitt3860]

Finally someone that will address basic shop practice. Very good take on bit sharpening. 47 years as an auto mechanic and automotive machinist. I use a different but similar approach, but this jig exemplifies the care to produce the proper geometry to achieve a bit with the proper relief to function properly

[@tinh552]

Chào cộng đồng KZbin

[@ildefonsogiron4034]

@@tinh552 Chun pan dan gan cuas pat acuas 👍

[@ВалерийКазанков-п3ф]

Мне скоро 70. Военный автослесарь. Ваш комментарий поддерживаю!

[@Phoenix-One0922]

Note: I feel sorry for all those 750+ who gave 'thumbs down' to this or any of Mr. Koubou's videos. It must be horrible to see something so simple & creative and instead of feeling appreciation, just feel envy and disdain. Everyone has the capacity to create and be original but those who don't see this and many other Crafts as a Natural Ability, are selling themselves short and undermining their capacities. I'm lucky to be one on the greener side of the street. There are No Limitations to the Self. Only those you impose on your own. Seth

[@cmolinel]

perhaps it is because the link to buy the plans is nor available or it´s very difficult to find...

[@Phoenix-One0922]

This guy is such a Practical Genius... His love of wood marries technology with simplicity and effectiveness. If there ever was such a thing as Shop-time Machinery and practicing Buddhism and Philosophy while Meditating on Carpentry, this is the only Gentleman that makes me feel like I'm in a Bliss while watching him creating something so superb and simple that this has got to be the new Nirvana Carpentry made in heaven! And I love how clean and neat his hands, fingernails and shop & tools are... A True Craftsmanship and A Gift to KZbinrs like me. Thank & Arigato for sharing with us! Much Obliged. just Awesome

[@michaelmclaughlin8208]

Thank you for inspiring me to do better. While I strive to pay attention to detail and toward achieving a standard of quality in the things I create, it is in the process of making that I try to multitask, to rush through the set up of jigs and fixtures which result in ad-hoc solutions. They serve to solve the need at the time but often not much more. Your Zen-like approach toward creating these tools, and how you incorporate precision and accuracy into every step, is where I want to be. I too would like to see more in the way of dimensions and details, but I understand that this information is what you are selling at your online store. What I would truly like to know is the make and model of the store bought tools that appear in your videos. For example the circular saw used in your wall mounted track saw is often used to cut aluminum as well as other materials. The type of blade and the speed of the saw (RPM) are very important considerations that I believe could be shared without diminishing the sales of the plans. Additionally in this video (5:03) the drill bit / countersink combination used in securing the block to the base was something I have not seen before. I am sure that the manufacturer wouldn't mind being mentioned. Again, thank you!

[@tranpham6151]

This is the best video that I have seen! The cutting edge exactly and right angle compare with original drill bit! Thanks so much .

[@gerhardtaxthelm6581]

I wish I knew what my father knew. He was a magician when it came to sharpening, didn't need much in the way of jigs, mostly free hand, including the twisting and a double angle. That was along time ago - 50 years. One time I was doing something as he came home, in a suit white shirt and tie he sharpened my tools to speed up my work. When I got to wood shop I was better than the grade 9 teacher, and I could prove it by dragging a sharpened chisel over a wet paper towel cutting the paper ad the teachers chisel dragged the paper along!

[@siegbertfliescher4972]

Es ist echt schade, daß eine Menge Handfertigkeiten und Hintergrundwissen der älteren Generation versierter Handwerker mit den nachkommenden Generationen verloren geht

[@gerhardtaxthelm6581]

@@siegbertfliescher4972 Ich war ueberasched eine Antwort in Deutsch zu bekommen. Ich habe selber probleme in Deutsch zu schreiben da Ich in Kanada wohne und selten noch mit Deutsche unterhalte. Schuess.

[@SuperSrjones]

Just did that with my grandson when we reconditioned a no4 plane for him and i showed him how it cuts paper without tearing. And i have been sharpening drill bits for 50+years too.

[@АлександрКривицкий-п7ш]

У меня родилась точно такая же инженерная мысль и точно такой же способ заточки сверел, до просмотра вашего ролика. Правда я его еще не сконструировал и был будучи не уверен, будет ли это работать. Теперь после просмотра- убедился что это работает со 100% совпадением!👍 Спасибо вам Большое за публикацию!!! Желаю Вам здоровья и успехов в дальнейших изобретениях...!

[@PatNetherlander]

Every time I see you make another tool or jig with the tools and jigs you’ve already made I just cannot help but take my hat of deep to you Sir! They work flawlessly and meticulously. You’re an amazing craftsman!

[@ivancho9375]

es una artesana es una gran mujer 👍

[@nicholaschriss1706]

That's the best thing I have seen today, it was beautiful to watch.

[@hugobarbozagarcia]

Upaaaa!!!! Señor, no deja de sorprenderme!! Muchas gracias...

[@АшотАршакян-м7ю]

Добрый день. Молодец!!! Супер. Видно ,что не рукожопый! Есть чему поучиться .

[@cxhaaren1]

Koubou san, you rpm of the drill are way to high to drill holes in this metal thinkness. The drill will get to hot, you should either cool during drilling or decrease the rpm. Much better for your drills, less sharpening to do. :)

[@Luzifer4m0k]

yes, thats right. the easiest way to check it on the fly is, watching the produced chips. if they are small and crumbly the rpm is to high. if they come out as spirals you are on the right way. and when these spirals get very long, you hit the perfect spot of rpm and feeding pressure 👍

[@tranpham6151]

This video shows us how to reuse the old drill bit that’s main thing! Don’t worry how to drill a thick metal! He knew!

[@skyboy1956]

@@Luzifer4m0k So if the chips are small and crumbly, why not change the feeding speed instead of RPM?

[@Luzifer4m0k]

@@skyboy1956 On a Drillpress it is indeed a n option to put more force in in order to feed faster. With Cordless Drills and just your own strength to put in, it is quite difficult to increase the feed rate to the appropriate amount needed.

[@skyboy1956]

@@Luzifer4m0k with a variable or adjustable speed spindle one can always calculate the correct RPM with the machinist formula RPM = 4xCS/dia. In this case, cutting speed for mild steel is 80-100 fpm, it looks like the twist drill is ~3/8" , Thus; RPM = 4 x 80 / .375 RPM = 320 / .375 RPM= 850

[@galaxiedance3135]

When I started my Tool & Die Apprenticeship, I was shown how to sharpen a drill by hand, cut the web and everything else. Then I was told to sharpen every drill in the shop and check the size of the hole it makes in a scrap metal piece to make sure that they cut correctly. So after doing that for a couple weeks, I became very good at it. Good enough that I don't dare use any tools for sharpening. I do it by hand and my drills work amazing. I did use that gauge at the start but after a while, I was getting it perfect by eye. You'll never learn the proper technique by hand if you don't practice. Takes some time but it's well worth it.

[@jisakukobo]

Thanks for your comment. Being able to sharpen the drill yourself will save you money. It's not disposable.

[@Sabatercom]

👏👏👏👏👏👏👏👍 Das scharfe ist toll... Besser als ein neuer bhorer.👍👍

[@Heeeeeechan]

切れ子が長く綺麗に切れていますね！ 素晴らしい👏

[@jisakukobo]

新品と同程度に研磨できるという動画を撮るつもりだったのですが、予想に反して新品よりも切削性が高くて驚きました。

[@lightshine6044]

9:44 can you tell me the brand name & model number of disk & size that you are using? Thanks

[@captainotto]

11:52 What is that cut? I don't think I've ever noticed a notch like that in any of my carbide bits. But it looks like it'll let the swarf pass easier and should result in a cooler cutting face, maybe prolonging the life of the bit.

[@francomarianardini681]

what kind of pencil are you using in this video? suoer precise

[@sincerelyyours7538]

This is the best drill bit sharpening jig I have seen on KZbin. I will make one, but I cannot see well the angles you scribed on the drill guide support block. The first appears to be about 11 degrees and the second one about 30 degrees. Can you verify these angles for me? Thanks!

[@christianirarrazabal4233]

Mazay Diy se llama el otro youtuber que tiene los planos en 3D.. Espero que te sirva

[@raylipscomb880]

@@christianirarrazabal4233 w

[@Retro.Studio]

1. 18.6 2. 29.9

[@tontobb8956]

15 degrees each side on the cutting edge

[@jaxpinoy23]

I understand the point u make when comparing a "sharpened vs. New" drill bits. I noticed the twists were between on the "new" bit, so are they both comparable in the "type" of materials they're used on? I saw one video saying that the more twists are for softer materials.

[@namtech425]

Well designed and executed. It is just weird that a brand new bit is so dull, when I buy a new it its like crazy sharp and fast.

[@clivewiddall3430]

You should sell all your self made tools and jigs in kit form I’m sure they would become the must haves of the diy market.

[@daleevans3250]

What is the grease you used on the drill bits. It appears to be much cleaner than oil.

[@youtukang]

Nice idea 👍👍👏👏👏👏👏👏

[@rb-ex]

beautiful and precise work all done with common tools and materials

[@campariverme3055]

Great work, please, why you did those two final grindinng close to the center ?

[@mariano_353]

You know it's koubou when the product is better than new

[@jeanphilippepoirier6130]

Looks like you were able to make the drill center cutting. Most twist drill are not center cutting. The sharp edge does not reach the center. That explains why you re-sharpen drill cuts better than the new one. Regular non-center cutting twist drills does not cut the material in the middle but pushes it away. This is why is better to start with a small drill and go progressively bigger. Awesome project! Keep them coming.

[@Thinkle911]

And also to apply the right speed. For the test at 12:50 the speed feels and looks quite high.

[@Владимир174-з2к]

Здравствуйте, я много лет так затачиваю сверла, но только на глазок, Ваша приспособа - крутая, класс!!!

[@TVF-72]

"На глазок" всегда, как-бы ни старались будет отличие в заточке сторон, а следовательно и ускоренный износ сверла в процессе работы...

[@alexandergrigoriev8503]

Да, приспособа полезная.👍👍 Но не хватает упора на "ползунке" для симметрии. Тоже точу "на глазок", года с восьмсятчетвертопятого ))), для бытовых целей нормуль, иногда даже точнее магазинных чиновских. А научил так затачивать вовсе не трудовик, а папа одноклассника, на "практике".

[@alexandergrigoriev8503]

@@TVF-72 чтобы "на глазок" был точнее, надо сначала сверло "затупить" на оборотах (задать центр и угол)..

[@mishu0102]

thanks for the useful tip. so, what are the two degrees? 10* and 30*?

[@nesqui068]

Sorry for not translating, pero sos un "capo", excelentes tus trabajos, amazing...

[@mb-yt8wn]

Cool..very nice👏🏻 What about the angle!?..cooler is to know how much is the angle. Thx

[@alex02101967]

I'm astonished from your art, you are absolutely a genius. You inspire me every time, every single video, thank you so much

[@phuang3]

I got many worn drills, but had to recycle them. I wish I have your skill to make these tools.

[@عقيلالعبيدي-ض6ض]

أحسنت ستاذ شكرا لك بارك الله بيك نود منك المزيد حول كل الدروس شكرا لك ستاذ انت ممتاز وجيد، 🌷💕👋🙋‍♂️🌹👏🌺🥀

[@martinezlopez4699]

Zen-Handcraft at its best! It invites for meditation while crafting 🤪 Any chance of adding the Dimensions, Numbers etc. subsequently or in retrospective?

[@T0berius]

Sir, you should run the world

[@ЗахарЖевагин]

Вы удивительный мастер !!!

[@petebusch9069]

I love how you make your own tools.

[@jca66]

That's pretty cool. I just can't help but think I do a darn good job sharpening bits free hand on a table grinder.

[@Keefymonoped]

Basic training for a fitter, had to learn this at the very start of my apprenticeship back in the mid 70's. Also the use of pilot holes lol

[@trgtech9269]

❤❤❤❤ low cost heigh accuracy. Thanks for upload. Please more knowledge video upload.

[@viajero8323]

Красивый инструмент, красивая работа!

[@baskirmani]

Thank you for this. Your work is beautiful. I would wonder, though, if the drill speed was a bit too fast for the size of drill.

[@andyroa9904]

What are the angles of inclination sir and what is that disc you are using ?

[@colsanjaybajpai5747]

Great job perfect geometry. Very beautiful diy tools you have made

[@mathiash6453]

What for a Disc have you in the Anglegrinder? Nice Work...👍

[@farsianvistas3508]

Thanks for the clip! 👍🏽 Where can I order the disk?

[@marciosquilassi3392]

Great! 👏🏼👏🏼👏🏼 What angles were used to sharpen the drill bit, please?

[@MysticalDork]

They're not super critical, as long as the cutting edge is in front, and nothing behind it is high enough to rub. An included point angle of 118 or 135 degrees is common, with a primary edge angle of 10-20 degrees and a secondary relief angle of 25-40. Steeper angles will make the drill cut more aggressively, but the edge will be more fragile and prone to wear or chipping. Shallower angles won't cut quite as fast, but should last longer.

[@MrRackinroll]

@@MysticalDork I could be wrong but he might be wanting to sell that info. Why else would he not give the proper info when that would be the primary info require to make the jig work. I know this in my head from all the years do machinist work.

[@Jrev900]

@@MrRackinroll that’s just standard drill angles. Nothing secret there. It’s printed on the packaging of most drills.

[@saiedmohammed7628]

I wanted to ask you this question

[@mauriciosoto2956]

hola gracias por tus conocimientos tu me puedes dar infomacion a serca del disco de afilado o como se llama la marca muchas gracias

[@markwestlake710]

What kind of blade did you use to make the grinds

[@Carlos-ok9vn]

Excelente video. Me puedes decir que disco de la amoladora utilizas? Muchas gracias.

[@goblin900dunsanylord]

What is the grit number for the diamond grinding wheel? Where do I get it, Amazon? Greetings from Mexico; I'm a follower.

[@ГоранМарушич]

Hello! Can you tell me please the name of that wonderful sharpening disc? THANK YOU ♥! Nice greetings from wuppertal, germany

[@ianroberts1997]

great video and love your Workshop and use of DIY wooden jigs that is a big part of your success 👍

[@maxhernandeznunez4439]

NO TENGO PALABRAS PARA REFERIRME A ESTE AMIGO. SIMPLEMENTE. INCREIBLE LO QUE HACE Y CON CUANTA PULCRITUD. GRACIAS.

[@franciscolopes1853]

Para cada broca tem que ter um suporte de madeira?

[@Tome4kkkk]

What grit should a wheel for drill bit sharpening be? What range? BTW, you've confirmed my old idea about what should the geometry be for sheet metal drilling.

[@zakhu4971]

hello from iraq with you amazing

[@igorzaytsev3598]

Супер! На вид идеально заточенное сверло

[@alexanderpetrov5079]

Ты конечно молодец, спору нет. Большое сверло заточить не проблема, а вот с маленькими 3.5мм и меньше сложновато. Может есть идеи приспособы для мелких сверл?

[@b3arwithm3]

What kind of disc did you use?

[@majoney7956]

Ese metal no se taladra a esa velocidad, se taladra a mucha menor velocidad, es hierro pero es aplicable al acero, bronce, latón, aluminio. A altas velocidades la punta de la broca se calienta tanto que incluso se puede poner al rojo vivo reblandeciéndose la misma y perdiendo todo el filo cortante, en fin... que nadie se enfade amigos. De todas maneras esa herramienta para afilado de brocas esta muy bien diseñada, buen trabajo y buen diseño. Recomendación: El soporte de la broca a afilar debería de ser el mismo diámetro que la broca, ese soporte tiene como minimo el orificio de 9.5 - 10 por lo que la broca baila a no ser que la fije el tornillo, yo lo habría echo lo suficientemente justo (una o dos decimas de holgura max.) el habitáculo como para que la broca encajara como un dedal e incluso el soporte lo haría de aluminio o incluso de acero endurecido y ajustable horizontal, vertical y lateralmente. En fin, me gusta el diseño, yo de ti lo puliría un poquito mas y lo patentaría, yo lo haría. Saludos

[@drekson23]

9:45 What grinding disk is these please?

[@darcearce6935]

Excelente trabajo, pero sin las medidas y angulos..... no me sirve.

[@ZaraPotrikeevna]

Укажите угол ?

[@gosselinsergegs]

This is all good but can you give the angle that you use

[@Pushyhog]

Lights action camera editing timing filmography ,incredible

[@85hako49]

すごい！ 色んな研磨動画を真似しても 上手く出来なかったけど 切れなくなった細いドリル捨てずに とっておいて良かった。 プラン購入させて頂きます！ うまく作れると良いなあ

[@jisakukobo]

プラン購入ありがとうございます。 試作品の部品購入もバカにならないので助かります。 設計図はすでに公開しています。治具の作り方や研ぎ方のコツなどは２，３日以内にまとめますので今しばらくお待ちください。

[@roltol7539]

also is this grinder disk to cut ceramixs ? what coarse it has ?

[@biggusbestus551]

I start small with drill bits (with steel). Using three or more bits smaller than the hole you want and working up to the desired size. This and using a center punch before you drill seems to help to keep drill bits lasting longer ...

[@garychandler4296]

But that's the whole point of the easements on the back sides. You don't HAVE to use multiple bits.

[@ronaldoball7497]

@@garychandler4296 is that the hole truth

[@garychandler4296]

@@ronaldoball7497 I wholly think so!

[@ronaldoball7497]

@@garychandler4296 other wize it's a bit pointless

[@garychandler4296]

@@ronaldoball7497 But I do get your point...

[@marianoserra8777]

Great! which are the angles ?

[@carlospamplona4144]

Hola, favor envíar indicaciones y medidas en idioma español, gracias.carlosP.

[@jonadias4655]

Impressive indeed🙌🏻could u tell us what angles were the drill tips set at?

[@banjerism7281]

So that's how you get the drill out of its packaging!

[@ronaldoball7497]

Point taken

[@bobbg9041]

Thats pretty clear, the nice long chips show the bit you sharpened cuts better.

[@hawkeyeone1]

This guy has got jigs for everything !!!

[@grantreid8583]

The last bit of grinding on the tip is what we were taught and its called thinning the web it makes all the difference. Some drills can be bought with this already done from new but they are quite rare. especially as all our manufacturing has moved to China and everything is subsatandard now. The only ones i have seen with the web thinned were ones from the US but they had no brand name as i think they came off a military ship. They were the best drill bits i have ever used and held there edge for way longer than all other brands i have used only drawback they were very hard so they were best used in a drill press rather than by hand as they tended to snap if you were a bit careless.

[@Berserker021]

What disc do you use to sharpen these drills? What name should I be looking for?

[@nigellill3222]

Great video & a good reliable jig for the work shop. When I was an apprentice tool maker (many years ago) every Monday morning I had to sharpen all the drill bits in the tool room. These included fractional, metric, number & letter drills from 1/16 to 2 1/2 inch. It took me several hours but it taught me how to sharpen a drill. Stay safe & keep on smiling.

[@x.plicit]

good video but what are the angle you take please?

[@cristeanicolae974]

Bravo Man ! Good Job ! 👍👌👉🍺🤗

[@minsukim8955]

what is the last trimming for?

[@JustFun-iz9rf]

that was amazing. did I miss the measurement. not sure

[@plunder1956]

A friend has a serious workshop, with a Cincinnati Cutter grinder & racks of wheels and jigs - for milling tools. Yet he sharpens drills by eye on a 2 wheel grinder and they are lovely. It's an art. I wish I could do it.

[@1pcfred]

If you work at it enough you can.

[@jpnguyen91]

Believe or not. I really want to know more creative ideas. So I search for more clips like this. But honestly I was be able to grind free hand milling bits amazingly. I think not every time I could be able to do like once I had sharpened a 3/8 endmill and tried out It yielded a slot of .372 neatly. Again practices could help you to improve the skills. I finished my apprenticeship just 15 months after 2 years of college education for tool and die maker

[@nigelbase1196]

The exact same amount of material has to be taken exactly off both sides of the drill or it will cut off centre..

[@榎田治]

鉄鋼ドリル研磨治具を作る寸法図面はないですか？

[@florenciosoublett2184]

Muy buena la idea, felicitaciones !!!

[@ChrisPeters1]

Are there plans available to buy for this jig?

[@MrPatdeeee]

You outdo many things. Thanks for sharing your talents with us kind Sir. あなたは多くのことをしのぐ。あなたの才能を私たちと共有してくれてありがとう。 Anata wa ōku no koto o shinogu. Anata no sainō o watashitachi to kyōyū shite kurete arigatō.

[@irvinslagter8298]

I also have been sharpening drill bits by hand for 50+ years. It takes practice and motor skills that are akin to riding a bicycle. Once you get the hang of it, it's easy. BUT......, when I have to sharpen a left handed twist drill, I feel like a kid again, still trying to get the motor skill of sharpening a backward drill bit. I can do it, but not as easy as the standard bit!

[@dinhnghitruong1007]

Vì không nghe tiếng nói , nên các trị số : chỉ có đoán thôi / giá như anh cho biết ,thì tốt quá. nhìn theo không kịp / thanks a lot , Mr JSK / I can read in english .

[@claudiaarrieta898]

Desde Argentina, Ud. es un capo. En cada proyecto que hace. Gracias !!

[@rmz5941]

Excelente tarde maestro como siempre buen trabajo o más bien excelente trabajo lo felicito y gracias por compartir saludos

[@leo150125]

What are the angles in the jig?

[@БогданЛысенко-и9г]

Vertical cirkular saw, its a wery good idea!

[@acl4734]

見事な方法で実行されたドリルのクリーニングを改善するための素晴らしいアイデア。 もう一度ありがとう、ジサク。

[@youtukang]

☺☺☺🇮🇩🇮🇩🇮🇩

[@DanielH]

Your jig is good. I still use free hand to sharp my drills. Works ok

[@ravivarma8919]

Exactly what I thought

[@jisakukobo]

技術がないので、治具に頼るしかない。 あなたのようにフリーハンドで研ぎたいです。

[@ravivarma8919]

@@jisakukobo one of my friend translated you're comment in English and I understood what you said,, your invention is very good ,,but those who have grinding and tool sharpening skills they does not need this jig,, remaining some of your jigs and working skills and inventions are excellent

[@ianmathieson65]

@@ravivarma8919: Those who are sufficiently skilled at hand grinding through much practice and experience will continue to hand grind. For us less experienced persons, the jig will allow us to resharpen with greatly improved confidence and quality of results.

[@ravivarma8919]

@@ianmathieson65 Yes

[@qaziqalander]

Thanks very much for the nicely sharpened steel drill bit demonstration performing even better than a new one. But all these machines and gadgets are not available to each and every one of us. Therefore some other option should better be suggested/guided to us all!!! Thanks in advance

[@aldoseba]

Could someone please share the plans or blueprints for this? It's not available on his site.