Dewalt DCG405N Cordless Angle Grinder Review
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- Опубликовано: 31 июл 2024
- After years of using grinders, I finally get me hands on a battery powered one from Dewalt!
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Amazon links to the tools and materials used in this video...
UK Links:
► Dewalt DCG405N Angle Grinder: amzn.to/3O8hczy
US Links:
► Dewalt DCG405N Angle Grinder: amzn.to/3PpL0bM
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amzn.to/3uCLqnf 
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I have absolutely no use for one of these......so will probably buy one.........
😂😂😂
I have no use for one of these either……….. I’ll be the bloke standing behind you in Screwfix!
😂
I probably have even less need, so if you don't mind I'll push in before you. Thank you for understanding.
I have one and can confirm I have used it once, so can confirm it is a vital item to own.
I've had one of these angle grinders for about three years and it will cut almost anything, with the right blade. I even managed a freehand circular hole for a fan in the middle of a porcelain wall tile! Cordless makes it very useable and the brake is excellent. This together with the many other XR tools I have make many jobs easier. It is easy to take their convenience for granted.
However, if I die, please don't let my wife sell them for the price I told her I bought them for!
I am afraid it’s never going to be an IF but definitely a WHEN
I have many categories of tools, hobby items and other things that I have smuggled in undercover. When I get question my usual response is "Yes love I'd had it for years!". I then ask about the latest shoebox size package that was delivered for her.
I have the same one. I agree with your comments a good balance of not being tethered by a power cord and battery life. I run mine on 54v flex volt battery. These are heavier but give the extended run time.
I bought one of these over a year ago, and it's priceless. I bought the Dewalt as I had the batteries. But, it doesn't have to be Dewalt, just any cordless grinder makes a huge difference.
I still use a corded grinder for stone & concrete cutting, but for everything else, this is a must have DIY tool. The cordless type is so handy for metal and plastic pipe, rusted screws & bolts, and a ton of other jobs. Never used it on wood, as I have proper power saws for those jobs.
They do tend to get through a 2Ah battery fairly quickly (10-15 mins), but it's a good reminder not to over-use it.
As I mentioned, I have other angle grinders. One of the features I love about the Dewalt is the Allen key hole for replacing discs. My other grinders require a specific 2-prong tool for changing discs, which is annoying when you forgot where you put it.
Bought myself a cordless Bosch angle grinder a couple of years ago cos erm............reasons. Not used it much but the times i have used it have saved me a ton of time and effort. Better to have and not need than to need and not have.
I nearly asked on the kitchen step stool video if you had been getting some new DeWalt tools - well now I know that you have at least one new tool. I've been looking at the cordless grinder for a while now. I have not quite justified it to myself as I very rarely need a grinder but as soon as I do your video has helped me make the decision on which one to get. Thanks.
I have the same grinder and use it with my 9 ah battery and never have a problem. Love it 👍
Thanks Stuart, this video confirmed what I thought about the Dewalt cordless angle grinder. I’ve got the Dewalt battery platform as well, but hadn’t bought the angle grinder as my Hitachi corded one is working fine and I only use it occasionally. When it does die I will buy the Dewalt cordless, good to see that it has the power you need.
I recently bought the Dewalt cordless planer and have been very impressed by the power and quality of the cuts it produces. Another good toy !
Oh cool. Was looking at the planer next too. Can you review the planer please @Stuart?
Hi Stuart, Great review. I, like you, have moved towards cordless power tools. They do represent freedom from tangled cords for the DIY’er. Many thanks. Cheers ✌️👍
They’re great, owned one for a couple of years 👍
Really like my cordless grinders (3 Makita ones, 18v 125mm, 40v 125mm and 2x18v 230mm), however I had a lot of grinding to do over a couple of days recently so bought a corded one as like you say, they chew the juice.
Going to buy mine today. Thanks for the helpful video! 🙂
Got one of these a few months back and haven't had the bottle to use it yet. Thanks for the guide. Really helpful 👍
That looks like a great piece of kit 👍
Ah, the bike thief’s friend. 😲😉
I have purchased a number of the 18 v li lon Erbuer cordless tools and have been very impressed indeed. Although I use them in both a professional and DIY capacity they are not being operated every day , all day so totally appropriate for the price point. They are well built, comfortable to handle and the new fast chargers are fan cooled to dissipate the heat generated. I don’t think you can beat this range that after all has the clout of the Kingfisher Group behind it .
Anyone with comments ?
Another great video Stuart
Bought mine from ITS a while ago during a sale, I wonder who put me on to them! Only wished I'd bought one sooner, no more sitting there with the metal hacksaw for me, thanks very much.
Bought one of these today to get a wheel clamp off. Cheaper than taxing the van 🤣
Great review, thanks !!
I have this grinder for work as im a bricklayor and its great
I find that you can get more battery life and cut off wheel life if you are gradually "scoring" away at the steel from the top surface downwards through the 'thickness' of the bar rather than cutting through the full width of it like you were. You have the cut off wheel both above and below the surface of that metal bar which requires a lot more power and wears the disc faster. Not sure if I explained that well
Great review.
I’m after a makita one so I can use the same battery that’s on my combi drill. Great test as always!
As ever,a great vid.
My good friend, you are smart and knows how it works. You saw the tool drop directly under your leg but you looked 3-4ft above you and found it LOL. That was scary but thank goodness you found it. Love the music! Edited opps... I ended up getting the flex volt, I'm not really big on marketing fluff but the flex volt is actually flexing the volts. The batteries costs like heck but thank you amazon knock offs lol. It lasts way longer. The important thing when you first get batteries is you have to discharge them first before giving it a fully no bothered charge. My 5ah lasts forever! 30 cuts though, that's a kitchen tile job or a 1 day work day with bathroom time
Perfect for all the catalytic converter enthusiasts out there ☺️
Yes, the bastards!!!
Need to see a demo video of how well it works before I invest 😂
Some people actually build shit and use tools not for stealing. I know is foreign concept lost on yoy
These would be useless for that...disc nowhere near depth of cut required.Thats why you see them using recip saws.
And the dvla wheel clamp removal service 😁
Love the shows very thorough and knowledgeable you are Sir. It'll be interesting to see how the new wizzy disc connection and guard stands up to a decent amount of stone and or slab cutting. I wonder if the new corded version has a similar setup. That said you cant whack dewalt tools a first class company!!
I think your cordless staple gun is my favourite
Well presented, cheers..👍
When I saw the video pop up the part I was interested in your take on run time. To fulfil my grinder fixation I had looked at this unit but I have invested in a flex volt battery for my Dewalt tools. So I could go with the same unit as you with 18v or go for the 54v model. You would, certainly get more run time from a flex battery at an equivalent 12a/h on your unit
Cheers Stuart 👍🏻
For very little more, I purchased the DeWalt 405FN. Essentially the same, except has a less blunt front ‘flat head’ design, that will reach into tighter spots. Get 5 Ahr batts tho’ cos they devour power.
Use mine when I'm working on roofs, taking off TV aerials etc useful but eats batteries for dinner so take spares up with you, saves climbing up and down all the time. Also attache a lanyard so you don't drop it.
Fantasy review, real insight to the tool being used out in the field, literally! Haha
DeWalt are actually very good with spare parts if you do lose your locking nut. I got replacements for broken bits on my table saw within a few days. I did go through the retailer though, FFX, and their customer service is excellent. Your mileage may vary.
My grinder came missing the knurled retainer nut, but they generously delivered me ONE THREE TIMES 😂🤦♂️😂
I just used mine today to cut down a whole load of 44mm galvanised scaffold tubes. Went through them like butter 🧈
Nice one
I love my cordless dewalt kit and would never go back to wired kit.The T stack cases are superb for storing and stacking your tools in.Some people like makita but there cases are so inferior to dewalt.A grinder and a multitool are bits of kit i couldnt not do away with.I always pick up 1 new battery everytime its have a sale.
Just as a general and my 2cents worth of a comment: (having owned the same unit and “upgrading” to one model up "DCG406N-XJ” for both ease of use and general and better “Safety” due to that switch mechanism in particular, which is extremely dangerous in my opinion @9:29 being a prime example)
-Prop up your work piece,as your back will thank you for it. not to mention have a far better view on what you are doing.
-Get a 54v Flexvolt (I know they are expensive,but its worth the investment) battery as the grinder drains batteries extremely quickly
-When cutting metal (and large,thick pieces in particular),make use of a “Pull push”/“ Constant Back and forward motion” method,as it reduces the amount of disc material being use (cost effective and time between changing discs over), reduce battery drainage and prolong work time,and puts less stress on the motor (does not get HOT as quickly) overall… Also get into the habit of “blowing out” the “vents” as material dust tend to clog it up and increase internal compenent heat…and is one of the prime culprits for grinder motor failure…
I have a dcg 413 and I Love it❤ inittialy i buy It for minories Works but now i use It more than the corded
Prob controversial but I prefer the paddle to the switch. I prefer the safety of knowing if I do need to drop the tool quickly that it will turn off. I also find it more comfortable to turn on and off with gloves on while I work.
OK, I'm convinced - I’m ordering one of these cordless DeWalt angle grinders. By the way, I see from LinkedIn you started your BEng in 1987. That is when I completed mine. And I thought you must be older than me...
Thanks Stuart, looks like a good piece of kit !
I bought a cheap own brand cordless grinder a couple of years ago ( it was on offer and I already had the batteries) and although it only cuts 2 or 3 slabs before getting hot and giving up, it does mean I can concentrate more on not cutting my toes off than where the blasted cable is !
Mine is also of the "rat-tail " design popular in the USA with a paddle trigger which is more natural to my thinking.
Be careful on that roof, will you be using crawl boards ?
I have used de Walt cordless drills for years and they have never let me down . What has not been as reliable are the non branded 18 v Lilon batteries that even brand new just don’t hold a charge like the originals
You had me at ‘knurled flange nut’…
I got one recently, my advice is have more than one battery with you. It does tend to eat through them. Even 5ah.
No sh1t Sherlock
Nice one 👍👍
Just bought one for my 60th next week. I have GAS….
Gear acquisition syndrome 😂
11:04 - Just a nerdy correction: there is still quite a bit of charge left in it. Lithium batteries can't be discharged below a certain voltage or they get damaged, so the tool (or the battery's own protection circuit) is preventing further discharge, but if there was "absolutely no charge left in it", you wouldn't be able to use it again.
Disks should only ever be tightened up by hand as the spindle rotation will tighten the nut when you’re using it. The tool is there to remove disks if it ever grabs as it will tighten the nut harder than you can do with your hands.
Couldn’t do without mine. Was the third XR I bought! Once you start down the yellow path….
... You'll need red shoes and say "no place like home"
@@DeafMaker eh
@@garthqueen you've not heard of the yellow brick road?
Just got one - agree is excellent and it cut up come steel bar perfectly and quickly - any comment though on the DeWalt instructions that mention a different guard for sanding surfaces? ( it comes fitted with a 'type 1 cover') - I couldn't follow what the 'type 27 cover' is needed for
Try the flexvolt version. More power, more cuts. More money though.
Does your ITS discount not work anymore?
Love your videos as well, Making the planter our of pallets this weekend
Super product Stuart, roughly how much is the battery and charger? I looked on amazon but couldnt see it
I'd use a sawzall for most of the work but the grinder works OK. Certainly a good excuse to buy one.
At about £165 for the bare unit its just about justifiable cost wise for an occasional use tool and I have seen a deal for £184 including a battery which is a good buy, I will buy one when my old corded one drops dead...
What's the difference between brushless and brush motor? Just the noise level or power as well?
Can you do a video about how to use an angle grinder ?
I have one of these and they are really good. Do you have any 5ah dewalt batteries? They make any tools work better, not last longer, the tool spins faster, same as the 6ah 12v Bosch set the tools fun faster
just use a bigger battery?
got any of the 5.0 versions floating about?
Just in the market for a grinder for cutting some roof tiles, so a very timely video for me Stuart. Any chance of some more info on types of blades for different materials, maybe as part of your future project which I’m sure you’ll be posting on YT?
Yes more expensive than grits but I have been impressed with the diamond tipped blades for masonry, concrete, marble, ceramics etc
Looks like a nice bit of kit, and its nice to see more videos in the paddock. Uh, do you really need to give the battery a final slap every time you refit it?
Once you go cordless, its best to settle on one brand, otherwise you have multiple batteries and chargers. What made you settle on DeWalt?
I would choose de Walt every time
Is it any quieter than a corded grinder?
One thinga I hate is the noise.
Save yourself some money by the 115 mm model as it fits the 125 discs, probably a slight engineering fault that would upset the marketing department as the two models have exactly the same specs. Also use 6ah batteries as you will get increase in power for heavier workloads. I have two DeWalt cordless grinders, the Flexivolt 125 and the 18 V 115. Use the 18 V because it is lighter more convenient most of the time but the Flexivolt has considerably more power. I use the same 125mm cut-off discs and grinding discs for both models.
There isnt a 115mm cordless model,except in USA
A good tip if you lose your angle grinder tool. You can use the disc as leverage to tighten and undo the locking bolt (as long as it's not sharp, of course)
....and you take the battery off it/unplug it first :-)
Not if its on tight.Thats just pure laziness
@@garthqueen You then need to work on your muscles or your leverage 😉
@@tonkatoy200 No,im just not a lazy person who is careless and loses things
How long did it last in time wise
Hello Stuart, I suggest you invest in a couple of the 6Ahr 54Volt flexivolt batteries. They will fit all your 18Volt kit and last a lot longer than the 4Ahr one. I find they also make my drill and driver more stable when I leave them standing up. I also have a chainsaw hedge cutter, both 18 volt, and the big batteries make a big difference to run time. I actually have several disk grinders, from a 180mm Makita corded BEAST down to a 100mm corded Matachi, with a 54 Volt 125mm DeWalt in between. The big Makita is not for the faint hearted, and you need to make sure you have it clasped firmly with both hands before turning it on. Like yours, the 54Volt DeWalt is still able to be used with one hand, you just need to be careful. Thanks for your videos I always look forward to them. Cheers from NZ.
You're right Stuart, once you get on the cordless merry-go-round there's no getting off. I've switched nearly all my power tools to cordless now - 20v Worx for drills, drivers, circular saw, oscillating tool, jigsaw, angle grinder, sander, power washer etc. 48v Mountfield for the lawn mower, strimmer, hedge cutter, chain saw, leaf blower / vacuum. Battery charging station in the garage that can take at least two batteries of each type at a time & plenty of batteries to go around. That said I do have a "rouge" cordless Erbauer impact driver which I needed for a job when I could not source the Worx equivalent. Another good video Stuart. 👍
Nooice!
A cordless band saw may be safer in this heat with dry grass 😊 😃
These are very useful if some very naughty parking company has Wheel Clamped your vehicle
I've had one of these for a while, It's got some proper power but it eats batteries like you say, more so than any other DeWalt tool I own. It chews through batteries so fast that they get hot to the touch, so I've taken to swapping batteries mid grind when they are about half empty, just to prolong their life and not overheat them. Great for using up a ladder though or in a field working on my tractor. Dewalt also need to come out with a variable speed cordless grinder as this this thing way to fast to use diamond core driller for drilling into natural stone/marble/granite. Not sure if they have plans for one.
Grinders from any brand eat through batteries due to there nature of speed and high amps
its out now
Nice video Stuart - and nice tool! I bought my first angle-grinder last summer - a corded one, and a terrifying beast! Shattered a cutting disc the second time I used it and I've avoided using it ever since. I've wondered whether a cordless one might be a wee bit less aggressive and let me get used to them, or should I just grit my teeth and man-up to my corded one...? LOL
My honest opinion (And no offence given), is that you have used a cheap grinding disc from a cheap manufacturere ; the wrong Rpm disc (They are all rated to operate at a certain speed,and anything above that speed will result in shattering), or a damaged disc that has had a crack in already… (The amount of guys Ive seen on jobs, that pulls out a used grinding/cutting disc that has been thrown into the toolbox with tools ontop..blows my mind,as it is accidents waiting for happen)
The battery version that Stuart is useing does run “slower” than most corded ones…
@@mariusenslin thanks, Marius, and no offence taken lol. Yes, that's more than possible - and coupled with my inexperience, a recipe for disaster. Should I practice with thicker discs, cleaning rust off steel etc, to give myself a better feel for how the grinder operates? Thanks!
@@MarkMichalowski definitely a good and overal practise and approach..👍🏻
The right PPE (Safety Glasses/goggles at least or even better a full face Visor as Stuart is using, Some “grinding” gloves and hearing protection in my opinion)…. also ensure no lose clothing (Myself have learned a valuable lesson when some dangling hoodie drawstrings got “grabbed” and tangled in the grinder…thankfully the quick stopping brake when the trigger gets released ,kicked in, and the visor took a hit in the process.. ever since then… more care and attention gets given when working with the grinder…
Have had a couple of wake up incidents where a wire cup wheel has graced some skin of the hand (nothing serious and fatal though), by my cowboy moves and stubbornness, when not wearing gloves or it being tok much effort to put them on after taking them off…🙄
I found the cordless one (same model as Stuart's) to be MORE aggressive than my corded Bosch model. The kick when you start up the Dewalt is...a jolt.
@@richardjames712 Any brand is far more powerful than any of the bosch products that gets produced...😜
Just need an apprentice now to catch the sparks😁
I've had this tool for a year or so and I'm ashamed to say I never knew about adjustable guard! Thank you!
“Who reads manuals nowadays” ;-)
What guard 😜
How could you not know this? Jesus wept
Now a variable speed option available...DCG409VS
Hi Stuart, I don't suppose you're in the market for a leaf blower, or have any intention of doing a video on one. I'm debating with the wife whether I really need one or not, and currently I'm losing. Seems like a handy tool for the DIY'er for more than just blowing leaves
I found this grinder needs at very least a 5ah battery and used with a DEWALT 9ah turns the grinder into a beast
I much prefer grinders with paddle switches much safer than slide switches!
Setting up small workshop any advice on best machinery
Planners
Pillier Drill
Mortimer
Bandsaw
Sander
I have benchsaw and ripsaw
you spelled four out of seven correctly
Just here to say that both your affiliate links you've labelled as 'UK links', whereas one is actually a US link... :) Otherwise, great vid, .I'm always wary about using cordless tools too infrequently and the battery becoming too discharged and failing through lack of use... :(
👍
A tool I don't own (although I did a cut with one once) can't justify, and honestly makes me anxious. These and saw tables.
Then you are not a full man
@@animal79thecat Did you forget to add the smiley to show that you are pulling my leg or are you actually just an a-hole making derogatory comments about strangers on the internet?
In actual fact I now own one (corded), but I still exercise a great deal of caution when breaking it out. That's why my friends _don't_ call me Stumpy.
Nah you sound a cool dude.I remember crapping myself when i first bought a grinder some 12 years ago...i had the full works on,goggles,visor,gloves,just to try it out on an old padlock...filled my underwear proper!Now,i dont bother so much,but always wear at least goggles,with ear defenders usually.Brushless motors dont half whine! Peace out,brother.@@stephen-boddy
What happened to your nose Stuart? Was the missus not happy with your spending on more tools ? 😂🤣 I quite like Dewalt, I have many of their tools but it’s odd that they manufacture a tool with a locked on switch which is illegal in America as they are an American company. Another great video thanks Stuart 👍
Had one of these for years they are very good. The only drawback for the grinder is that it is a bit battery hungry and may be better to have the 54 v model
Why would the 54v model be less power hungry? Only if you put the 54v battery on 18v will you get longer runtime.
I bought one for use with a flap disc. What a waste of time and money. I started off with 2 4ah and 2 5ah batteries and 2 chargers. The idea was as soon as a bettery goes flat to put it on charge and carry on with next battery. By the time I had discharged all the batteries none had fully recharged. To say it is power hungry is an understatement. I'll stick to my corded grinder in future. Ps does anyone want to buy a Dewalt 18v grinder?
Imbecile
1:14 doesn't come with a box? What's it sitting on?
He means a TSTAK case, but you knew that, right?
@@tonkatoy200 Oh he said box instead of case thus the confusion.
Intertwined 😂😂 I say that , people say, that’s not a word. Not often Ime wrong, but Ime right again 😂😂
Price please
Which model number
👍👍👍👍👍👍👍
Min 5aH battery
PROPER GEEZA
But can it cut through a high end bike lock in less than 60 seconds?!😱
less time than that
I know it's childish, but cant help laughing at the phrase "knurled flange nut" 🤣
Please tell me Alankey size
6mm
Extra: Finding lost tool parts in undergrowth…get a big neodymium magnet, at least a 40x40x20 mm block or similar…put in a carrier bag and sweep over the area…When you hear the clunk, it’s got your part. Also great for finding nails & screws in your lawn!
Buy a bigger battery 5Ah or the flex volt batteries
Imagine if the switch goes bad on this grinder. You cannot just buy another switch and replace bad on, you have to buy complete guts of grinder. A major repair issue.
Métele una flexvolt de 9 amperios y no tendrás problemas