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https://chemistry.stackexchange.com/questions/68994/aceticvinegar-and-citric-acid-as-the-rust-remover

I second the Bosch Cyl 9 multipurpose bits…carbide tips, but special grind to go through most materials….ive used them for exactly what you’re doing….works a treat..prices do vary…a lot!…check Amazon and EBay..

As already mentioned a lot depends on what is under the pavers..if it’s sand, removing individual pavers then leaves the edges of the remaining around the space created unsupported and liable to sink..until you’ve taken one up you won’t know what issues you have..

Halls make excellent step drills, but are very expensive…are you using the correct speed?

I have a wire brush mounted on a bench grinder that has a 1/2” chuck fitted on the rhs..it can fit various wire brushes with 1/4” shanks..works a treat..

Can’t fault CBN wheels apart from the cost….but they do last…

According to the diagram, there is no screw shown, so the hexagon is in the end of the shaft, and as already mentioned, must be there just to hold the shaft maybe for some sort of adjustment. Until you know for sure how the pulley is held on the shaft I wouldn’t attempt any more attempts at...

These from Sealey are probably ok…half price.. https://www.ebay.co.uk/itm/390399240421?mkcid=16&mkevt=1&mkrid=711-127632-2357-0&ssspo=dGsYz2xWT-y&sssrc=4429486&ssuid=t0F9lql0QRC&var=&widget_ver=artemis&media=COPY

Also on Amazon…Dewalt have a 14 piece imperial cobalt set 1/16”-3/8” around the same price…The metric set is currently around £38

Found one thanks…

Something fishy going on here!

Dormer and Presto, are really good but expensive If you’re looking for a set of HSS 1-13mm the Dormer sets are excellent…look for recent ones which have a four facet point…much better than the original standard ground point… Be careful of buying no name makes, even though they may say cobalt…...

Sounds like it’s been dropped from a great height… I’d keep looking on EBay for a good one, they can be found quite cheap..

Second Hand Tormek???

Have a look on Aliexpress…they have individual collets and sets..

I’m looking for instructions or any information on the Jabus Ball turning tool, and the Jabus Optiset, centre finder, from Jabus Engineering Ltd Devon….They are no longer trading… I have one of each tool but very little information on them Cheers

Get yourself a CBN wheel…you won’t regret it

I’d go for a 10” T7or T8…obviously more expensive but more powerful motor.. I’ve just bought a second hand T8, like new with hand tool set for £600…only used a couple of times… They are usually between £500-600 second hand for what I’ve just bought…new price is £900 If you’re in no rush just...

Exactly…keeep it simple

Thanks….luckily I’m in no rush