Best Grinder Blades For Paving Slabs

[freddiemercurystwin]

I have a cheap 125mm angle grinder and I need to cut about 4 concrete paving slabs in half, they're about 44m thick and I expect I will need to cut from one side and then flip over and cut again. Any recomnedations on blade type? I have these atm https://www.screwfix.com/p/masonry-stone-stone-cutting-disc-5-125mm-x-2-5-x-22-2mm/2281v but am happy to spend a bit more if it's worth it.

 

[HERTS P&D]

You are better off with one of these:

Erbauer Masonry Segmented Diamond Cutting Blade 125 x 22.2mm - Screwfix

Order online at Screwfix.com. High quality diamond blade ensures fast cutting and longer life. Suitable for a wide range of materials. FREE next day delivery available, free collection in 1 minute.

www.screwfix.com

Andy

 

[John D v2.0]

agree with the above, and the narrower the better, wider blades are really slow on my similarly cheap angle grinder.

Regarding cutting in half you can cut from one side and then tap it over a batten to snap the rest of the way if you can cope with a rough edge.

 

[johnny2007]

You'll struggle with a 125mm grinder, regardless of the blade.
Rent a 9 inch grinder and get a diamond blade (I've had hitachi for years and still going strong, now hikoki I think)

 

[freddiemercurystwin]

Yes I know I will but I only have 4 whole cuts to do and this is for a parasol base on the cheap, I'll see how I get on .....

 

[cdbe]

Try the ones you've got first, the diamond ones are great but before they came along we all managed.

 

[freddiemercurystwin]

I've ordered a diamond one now anyway, I'll probably need to do other bits and bobs with it anyway. Maybe I'll not use the new blade unless I feel I need to.

 

[cdbe]

Good idea, the bonded ones have a "use by" date - something to do with the bonding adhesive breaking down over time.

 

[freddiemercurystwin]

You'll struggle with a 125mm grinder, regardless of the blade.
Rent a 9 inch grinder and get a diamond blade (I've had hitachi for years and still going strong, now hikoki I think)

Just seen a 9" grinder come up on marketplace for £20 so I'll grab that.

 

[HERTS P&D]

Make sure you wear eye protection.

Andy

 

[johnny2007]

Make sure you wear eye protection.

Andy

And if you've never used a 9 inch grinder before, watch a few videos on YouTube.
It's a heavy machine but used properly it will cut those slabs in seconds.

 

[freddiemercurystwin]

Yes I hate the things really but needs must ....

 

[wessex101]

I think you're spelling it wrong, it should be Grindr. Apparently the 9 inch is much more popular!

 

[HERTS P&D]

Andy