How To Sharpen A Spade Drill Bit - by Old Sneelock's Workshop
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- Опубліковано 9 лип 2024
- Inexpensive and easy to find, Spade Bits are easy to sharpen also. Next time rather than tossing out the bit when it starts to cut slower, take a few minutes with a file and you’ll be back drilling in no time.
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I watched this video and it saved me from buying a new bit, thanks a lot!
Glad I could help! 😁😎
I swear the raptors where in there with him at one point lol...
Oh the sound of the file across the bit... Oh my ears! Keep making videos. I respect your practical knowledge and wisdom sir
It is a bit squeeky. 😆
Great video. I bought some files for a couple of dollars at a car boot sale and tried this. Timing the cuts before and after it halved the time of penetrating the wood. The bits are ancient (but not dull) I was so pleased!
Think of how tired you would be after drilling all the studs in a modular home. I wired one house per day. The guy I replaced pushed hard to get one.
Thanks so much for this video. Very Helpful.
Glad it was helpful! 😁😎
Loved the videos on sharpening drill bits. I destroyed some bits because I tried to sharpen them before I watched but, it's all good, I think I have it now thanks to you. Thanks for passing it on to the next generation.
Chris Cunicelli You are welcome. One of the reasons I like hand sharpening is it slows down mistake making. 😃
Im gonna do this. Thank you for the tip, I never thought of that!
10/4 on the spade bits there, Unc. I've got a small collection myself but not as intense as yours. Thanks for the sharpening tips. I had it so-so but the finer points always help. Liked your Smoky Mountains shirt too! YEE Haw!
+Lewie McNeely Lydia and I took a trip down there about 5 years ago. It's one of my favorite shirts.
Some of my favorite places since we're in the Blue Ridge!
Good man
great tip i didnt know you could sharpen this kind of bits
+bud moore (buckshot32000) Thanks Bud.
thanks
You're welcome!
Nice job on paddle bitts ,you are the first that i have seen show this idea its great i must have 75 dull paddle bits that i just would not though away now i will reuse them thanks i will be watching your channel from now on thanks again also unfortunately I should've known this I'm not very young no more 60 and I have a complete woodshop.
Mark Mead
OHIO
No fault in not knowing everything. I am learning something new nearly every day from the guys who take the time to share what they know with me here and on the jobs I've done.
hopeistillcan vompl
You didn't mention both flats have to be very close to the same plane. And the point has to be very close to centered on itself and the bit width.
Closer precision work can be done by supporting the bit so it doesn't almost chatter.
You are correct. I didn't mention that.
Great tutorial! Never knew that.
Glad you found something you can use. The drills are inexpensive, but driving to the store or waiting a couple days for delivery, gets expensive. 😎
There are spade bits with arbors that pulls into the wood but has points on each of the ends.how would you sharpen those? Thanks for the video
D jack Use a smaller file that will fit between the spur and the pilot screw to sharpen the radial edge. Then sharpen the inside edge of the spur.
Thanks sneelock!!! I just got through drilling with a 5/8 spade bit and to make it worst i was using bit and brace. Its calming to slowly chew thru the wood but when the bit is dull...that's a little to slow for me.
Cnt_Drive_16 If you liked the spade bit you will love a center bit. The angle on the cutting edge makes it slice instead of scraping.
Aren't those for metal?
There are two kinds. I think the names were coincidentally made the same. Otherwise it would just be a really bad joke to give two tools the same name. :-)
There is the center drill that you are thinking of. It is for drilling centers in the end of a piece of shaft while using a lathe. It is primarily for metal but can be used in wood too. Those are stubby double ended bits with a small pilot leading a tapered set of flutes.
There is a much older type of bit made for drilling in wood with a brace. It is very similar to a spade bit but the radial edge is tilted to slice the wood. You can see a set of them here. www.fullchisel.com/blog/?p=105
yeah I agree that would be a bad joke, but that would be something that manufactures would do just to aggravate people lol. I'll have to keep my eyes peeled for any bits that go into a brace or otherwise as long as they are for woodworking.
Superb
Thank you! Cheers! 😁😎
Thanks for the video, I am a little surprised you can file a bit with a reg file-I had assumed it was hardened enough that you would require a diamond file
The bits are designed to cut wood. Just like a hand saw blade the tool doesn't need to be extremely hard. Unless you hit a nail the edge will hold up for quite a few holes.
Good job. You have nice old drill
+Dominik K. Thanks Dominik. I always liked the metal body Black & Deckers. Funny how the drills I bought new for work are now old drills. :-)
+Old Sneelock's Workshop I go to the junkyard and buy old tools, it's cheap. Sometimes i find a almost new tool with lost part, which is cheap and popular :) you schould try trip to scrapyard ;)
Sounds like a good idea.
+Old Sneelock's Workshop So, I waiting for video :)
Thanks for the Lesson !!!
+not2fast4u2c You're welcome. 😆
Yes, thank you and greetings from Australia. I noticed you file in one direction only. Is this because if you pull it back it may compromise the cutting edge?....
David Hamilton Files are designed to cut in one direction. It's a common mistake to rub the file back and forth on the surface because it is easier to hold the file that way. The problem with that is the file rubbing backwards doesn't clear the chips out as well. The chips can plug or "pin" the file teeth and gouge the surface. The file is also wearing from the rubbing without any metal being removed.
The effect isn't as pronounced on a narrow surface like this drill bit. It is good practice to treat the act of filing the same way for any use. That way it becomes a habit.
Old Sneelock's Workshop.....Thank you kindly for that. I must confess to having used a file back and forth, thinking it cut both ways, but I'll remember in future to use it only as you suggest. Thank you again for that sound advice, Cheers....
David Hamilton It's not one of the earthshaking things in sharpening but it might make it easier for you in the future. Glad I could help.
Or, for formwork, use a side grinder.
That works.
I use a file for several reasons:
No power required.
Less material removed on average.
Easily performed on the job away from the shop while the bit is held in the chuck.
I can carry a file in the drill holster and sharpen as needed.
It all comes down to faster and easier. I.E. lazyness. 😁😎
Great job on this one. I really liked you intro.
This one was an early experiment in being conversational. I liked the opening myself.
Thanks for the feedback. You are the only one who commented on it.
@@OldSneelock it is funny that this came back up. Been following a marking knife thread on Old Tools. Some suggested re-purposing a spade bit.
@@Manocooper If you have a spare. The metal on the "not made in the orient" drills is capable of holding a good edge.
@@OldSneelock I have all kind of spares. They show up in almost every lot/toolbox I buy.
@@ManocooperWe both get spares the same way. People just buy new and drop the dull ones on the bottom of the box "until".
Honing stone is used for sharpening wood chisels. I've seen files being used for sharpening of spades and forstner bits. Why didn't you use a stone for this job? Just curious. Thanks.
5acesdown Spade bits are generally used for rough wood working. They are tempered to be tough enough to withstand shock. That leaves them softer than the average wood chisel. That in turn means they can be sharpened with a file.
There isn't any reason not to use a stone other than expedience.
I would suppose an auger bit file would work on the spade bit ...... don't you think?
+BangFlop Yes it would be handy for the spade bits with spurs especially.
what a horrible sound. great vid, i like how he files into the edge that keeps the burr to a minimum
Can you get spade bit made of 5% cobalt for longer life? I go through these spade bits like there's no tomorrow.
Irwin, Dewalt, Bosch, Milwaukee and several others sell bits that are rated higher for durability. None that I found specified cobalt in the alloy. My experience has been that the bits sharpen so easily that spending up to $25.00 for a Milwaukee bit with replaceable edges like their Switchblade bit is hardly worth it. Following Milwaukee's philosophy, I can buy twelve 3/4" dia bits for the price of one Milwaukee and just throw them away when they get done. I'll come out way ahead in that comparison.
You might try writing to some of the manufacturers and suggest they explore a cobalt alloy bit. I listen to suggestions and I'll bet they will too.
The fact you replied to my comment shows you're a Man true to his word!! as for the maufacturers, well it's all about money right?
I have been using a 1/4" pointed router bit as a countersink tool for the past 5+ years and there's no sign of dullness or me stopping using it for another 10+ years. As set of auger bits and flat spade bits made of the same materials should and would be awesome.. wouldn't you agree?
PS keep up the good videos..
Yup it always has been and probably always will be.
Bet if they made them out of cobalt they would only sell a 10th as many bits.
Maybe you could use a high speed steel twist drill. Getting one of those is easy and it should drill wood for the next century.
You can buy them with cobalt too. Used cobalt drills on automatic drill units for drilling sintered metal gears. Outlasted high speed three to one.
why do some spade bits have a spikes on outer edge and some don't ,are they not important or just a different design.
Brendan Colvin Some have spurs that scribe a circle in the wood that prevents chip out. Others have the outer edge of the bit higher than the center for the same purpose but not quite as effectively. I don't know exactly why they are different but I believe that spurs cost more to make than plain bits.
Thanks very much for your quick reply.it makes sense.Do you sharpen the same way as straight bits
Just be mindful of the relief angles and sharpen the spurs and main edge on the inside edge of the spur.
I have found that the sides or flats dull a lot faster than the center point. I usually use my 1"x30" belt sander to sharpen spade bits; its what I figured out how to do it with, and seems to work well with the cheap set of bits I have.
More than one way to skin a cat. 😁😎
00:57 Spade bits drill *fairly* smooth holes if rpm is high enough.
Everything is relative. And that is why there are horse races. :-)
Okey - dokey. I *do* like 'em, because they're pretty cheap.
I like them too. I'm just comparing various tools and their uses. Spade bits are great for putting holes through wood. Forstners and auger bits cut smoother holes but are a lot slower.
The easyest way to sharpen those drills is using a normal grinding wheel. In about 30 seconds the drill wil be sharpened as new. If you find the right angle it is possible to sharpen the cutting edge and centerpoint in one operation. The cutting edge will have a ange in this way tath the outside wil cut first, just as it has spurs. Easy to keep the centerpoint in the center and sharp. Best regards.
Dirk Vercauteren That does work quite well. I imagine that during manufacture the bits are originally sharpened with a grinder.
Don't waste your time with a file. The best way to sharpen spade bits is with a dremel tool and reinforced fiberglass cutoff wheels
JustinLodes Justin has a great idea. Next time you find yourself with a dull spade bit just take out your Dremel Rotary Tool and sharpen the bit.
What? You don't have one?
Well go to Home Depot and buy one. We'll wait.............
Got it? Good. Now plug it in. Now what? You don't have an outlet. Great! You should have bought a battery operated one.
Go back to Home Depot and exchange this one. We'll wait..................
Put the fiber reinforced wheel on the arbor. ..........
Good. Sharpen the bit.
I know the edge is ragged. The wheel is only 1/16" wide. You need to have a guide.
Back to Home Depot. We'll wait......
Back so soon. They don't have a guide? Then just use it the way it is. Don't complain about the smoke. Just push harder.
Wow I'm glad we didn't waste that two minutes sharpening that bit with a file.
Next time we should just have a spare bit. Oh I don't know what size. Just get one of each.
........Next week......
You carry the toolbox today. It weighs a ton. Well if you don't want to carry all the spare bits, the Dremel Rotary Tool , the charger, spare fiber reinforced wheels, and the extention cord just leave it here.
WHAT NOW? Well drive back to the shop and get the spare bit. We'll wait.........
Why do you look surprised at the beginning of your video? Aren't you the one that turned on the camera. This Old House does the same thing when they go to somebody's house, it seems silly to put a camera man inside the house and then act surprised when somebody knocks on the door. Doesn't the homeowner see the cameraman in their living room pointing the camera at the door? These are educational videos talking directly to the fourth wall. Why switch back and forth?
It seems that it would be more believable if the cameraman for This Old House was outside the door when they knocked on it, or for someone to enter your workshop with the camera if you're going to act surprised.
I do like your videos and I do have a question for you. What about the Spade bits that have a little cutter sticking out on the ends of the Wings to cut the wood fibers before removing the bulk? Are those sharpened the same way? Or do you just remove the little cutters to sharpen it?
Thanks
Kerry Ware They are sharpened the same way, but with a smaller file so it will fit between the spur and the pilot.
It's a parody of This Old House.