Discuss I love this tool! in the Electrical Tools and Products area at ElectriciansForums.net

HappyHippyDad

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I thought I would have a quick practise in my house with my new wall chaser, the metabo mfe40 fitted with the triple blade and attached to the dust extractor.

Wow!! I love it.

Half the chase I did with just the sds, the other half with the metabo. The chase is 20mm deep and 30mm wide. The metabo chase on the the right took 2 minutes and left virtually zero mess. The sds chase on the left took 3 minutes and I still have about 2 minutes to go (its not finished), plus it left loads of mess. (see picture)

metabo.jpg

They both gave off a similar amount of dust. Before I bought the tooI I wondered how the triple blade actually took out the middle of the chase and didn't just cut a third groove in the middle. The segments of all three of the blades are offset with each other so in effect it is 6 blades cutting through. It can leave a very, very thin bit of chase, so thin that it just crumbles with a slight brush of your finger, so nothing to worry about. I wonder how long the blade will last.

Very impressed ?

The only downside is I've just priced all the chases for my upcoming rewire out to a labourer so wont actually get to use it! ?
 
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Thanks for the review on that. I am so glad the sockets weren't wired horizontally. I have just bought a cheap Erbauer and will be using it tomorrow, will tell you how I get on with it. Kitchen first fix. I looked at all the options and thought I was not prepared to pay £400 plus for the makita. At the end of the day it is just a double diamond wheel to cut masonry. Let us see if it works out then. I do have an industrial hoover for the event. Generally I have found Erbauer to be pretty good tools. Lets hope I am not disappointed.
 
I thought I would have a quick practise in my house with my new wall chaser, the metabo mfe40 fitted with the triple blade and attached to the dust extractor.

Wow!! I love it.

Half the chase I did with just the sds, the other half with the metabo. The chase is 20mm deep and 30mm wide. The metabo chase on the the right took 2 minutes and left virtually zero mess. The sds chase on the left took 3 minutes and I still have about 2 minutes to go (its not finished), plus it left loads of mess. (see picture)

View attachment 62390

They both gave off a similar amount of dust. Before I bought the tooI I wondered how the triple blade actually took out the middle of the chase and didn't just cut a third groove in the middle. The segments of all three of the blades are offset with each other so in effect it is 6 blades cutting through. It can leave a very, very thin bit of chase, so thin that it just crumbles with a slight brush of your finger, so nothing to worry about. I wonder how long the blade will last.

Very impressed ?

The only downside is I've just priced all the chases for my upcoming rewire out to a labourer so wont actually get to use it! ?
i presume that your dust sheets were in the wash at the time.
 
My ‘Mr Cheap Chases’ works well an nothing stops it, but it can’t compare with noise and dust performance of these Bentley models, I think. I only use (or is that abuse?) my general purpose Henry to deal with the dust and that could also be part of my misery.

@happyhippydad and @Vortigern - can I ask what vacuum you use?
 
i have a twin blade chaser £29.99 from Aldi. coupled via a home-made adadaptor (made from a bit if 1" 1/4 waste pipe) to my Henry ( bought 12 years ago from a car boot for £2), hardly any dust at all. just need to remember to switch Henry on first.
 
My ‘Mr Cheap Chases’ works well an nothing stops it, but it can’t compare with noise and dust performance of these Bentley models, I think. I only use (or is that abuse?) my general purpose Henry to deal with the dust and that could also be part of my misery.

@happyhippydad and @Vortigern - can I ask what vacuum you use?
I use the same as Vortigern. I have only just bought the Nilfisk aero 26 https://www.NoLinkingToThis/p/nilfisk-aero-26-21-pc-1250w-25ltr-wet-dry-vacuum-cleaner-240v/66972
but so far i like it and it had good reviews, plus its considerably cheaper than some others. I personally wouldn't go for the 10 litre version (aero 21) as I think it will fill up too quickly. As above, there seems to be the same amount of dust as with the sds which was a little disappointing but I think I expected too much as the amount of debris it hoovers up is pretty amazing.

@Vortigern... I don't quite get the bagless option. Do you simple not put a bag in? Have you tried that or do you always use it with a bag?
 
I have used it without a bag to pick up rubble. Probably shouldn't have as when I used it the next time in my house fortunately, a giant puff of dust came out. It goes through the motor that way. Think I might have lost the cover for it. But I put bag in now. Of course you don't use bag with water pick up. So if you find out, tell me please!
 
I have used it without a bag to pick up rubble. Probably shouldn't have as when I used it the next time in my house fortunately, a giant puff of dust came out. It goes through the motor that way. Think I might have lost the cover for it. But I put bag in now. Of course you don't use bag with water pick up. So if you find out, tell me please!
That's good to know! I'll stick with a bag, thanks.
What did your last part of the sentence mean? Find out what?
 
Thanks for the review on that. I am so glad the sockets weren't wired horizontally. I have just bought a cheap Erbauer and will be using it tomorrow, will tell you how I get on with it. Kitchen first fix. I looked at all the options and thought I was not prepared to pay £400 plus for the makita. At the end of the day it is just a double diamond wheel to cut masonry. Let us see if it works out then. I do have an industrial hoover for the event. Generally I have found Erbauer to be pretty good tools. Lets hope I am not disappointed.
Just remember that with the Erbauer... you need to drag it, rather than push it. I read a review where the chap was complaining that all the dust gets blown out of the slots you've just cut ! With some chasers, the blades rotate the other way.
 
Just remember that with the Erbauer... you need to drag it, rather than push it. I read a review where the chap was complaining that all the dust gets blown out of the slots you've just cut ! With some chasers, the blades rotate the other way.
That's an interesting point Zerax. Are you saying that there shouldn't be too much dust with a wall chaser and dust extraction unit? It makes me think I may have been doing something wrong. I'm sure the metabo is a push rather a drag though. Also, it must be working as the amount of rubble it hoovered up was pretty incredible. Just still a lot of dust!
 
That's an interesting point Zerax. Are you saying that there shouldn't be too much dust with a wall chaser and dust extraction unit? It makes me think I may have been doing something wrong. I'm sure the metabo is a push rather a drag though. Also, it must be working as the amount of rubble it hoovered up was pretty incredible. Just still a lot of dust!
I think you're right... the metabo is a pusher not a puller. I think the amount of dust is driven by how good your vacuum is... I use a Fein Dustex, which works great... and for max suction, I'll treat it to a fresh bag too !
 
Just use the customers vacuum cleaner. Cheapest option. It is their mess you’re cleaning up after all. ;)
being Scottish. you need to use your own. save it and then root through it for the odd 5p.
 
So did a kitchen worth of chases today with the Erbauer. Fine, nothing too great or bad. Very little dust with the hoover. Have nothing really to compare it with experience wise. However it is clearly a boon in that it was fast and nice clean straight cuts. Had one wall in solid concrete which it did, but slowly. They guy with me found it difficult to use. But he is a bit cack-handed with tools and didn't "get" how to stand properly, overreaching etc. It is a drag motion. Used it to criss-cross the box cut-outs which worked out well. The trainee kept complaining it was hard to know where he was cutting, especially dragging it. I did not have that problem. It has a notch so you know where the blade is, I managed to guide it to exactly where I wanted it. So for the price I am happy with it, saved a lot of work and dust and get a neater job.
 
I can see that the chase has a purpose HHD , it's to get rid of that surface trunking between the sockets ?
Quite right Dave. The trunking doesn’t bother me but I was going to have a practise with it anyway, so I thought may as well do it somewhere useful.
 
i have a twin blade chaser £29.99 from Aldi. coupled via a home-made adadaptor (made from a bit if 1" 1/4 waste pipe) to my Henry ( bought 12 years ago from a car boot for £2), hardly any dust at all. just need to remember to switch Henry on first.
Corded i take it ? Mist keep a eye out for it
 

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