I was once cutting a load of paving slabs in half with a stone cutting disc in a circular saw. 2. The most important factor when choosing which angle grinder to purchase is the depth or size of material to cut or grind and the type of material you will be working with. In either case, be sure to use a diamond blade made for masonry and stone. Angle grinders are available with two main wheel sizes: 115 mm and 230 mm. You don’t need any special training or certain skills, you just need to use certain recommendations, and then the cutting will go like clockwork. Angle grinders provide a ton of freedom to cut each paving slab to fit its purpose. I haven't got a generator + grinder or a sthil saw to do it when at the pl Cutting paving without a powered saw? The general rule of thumb is, the bigger the job you want to do, the bigger the grinder you should use. i have an angle grinder with stone blades. The smaller one cannot cut deep compared to the larger one. # Step 3: Quality maintenance Drives You’ll need a tape measure, chalk, a workbench, four C-clamps, power saw or angle grinder with the correct blade and a rubber mallet. If you must cut indoors, have a helper run the nozzle of a shop vacuum behind the cutting blade. The deep cut should be made with the saw held at an angle that will produce an undercut, that is, the blade should be angled in towards the required piece at 15°-20°. Mike P New Member. Cutting Pavers With a Circular Saw or Angle Grinder Both a standard circular saw (7 1/2-inch blade) or angle grinder (4 1/2-inch blade) make clean, easy cuts and involve similar techniques. The part that concerns me is cutting the slabs. You can even use your grinder to cut out the mortar from brick joints to then be recycled. Advice on using an angle grinder for a variety of tasks, including cutting, grinding and polishing stone or metal. The cutting of paving slabs and curbs with an angle grinder itself is performed in the same way as when sawing a brick. Pay your way. How to cut concrete with a angle grinder. This in turn will direct you to which size and kind of disc you will need. Angle grinders vary in size, but for most flagstone slabs, a 4- or 4 4/2-inch grinder is best. I need an angle grinder for cutting paving. You may want to pay a little more for a more powerful one - it depends how many slabs you want to do. What size angle grinder will I need? Measure the space where the paving slab is to go and mark the cutting line on both sides of the slab using chalk. Most people who want an angle grinder to smooth out welds, will pick this size. kesh, Jan 19, 2004 #4. PayPal accepted online. Angle grinders are available with two main wheel sizes: 115 mm and 230 mm. Can be purchased at Home Depot. Choose an outdoor spot to cut the granite, if possible. Angle grinders come with two basic wheel sizes: 115mm and 230mm. The smaller 115 mm angle grinder is lighter and easier to use, and is certainly the best angle grinder for a novice. # Step 3: Quality maintenance Drives ? FINAL VERDICT. This undercutting is a standard technique when cutting all sorts of paving as it makes fitting of the cut piece much simpler with less risk of it being excessively tight. If you will be cutting large slabs of stone, opt for the 230mm but if you are cutting smaller bricks, opt for the 115mm size. I have no problem laying a paving slabs, as that looks straight forward. You can also buy these in 5" or 7" or 9" sizes. What Size Angle Grinder To Cut Paving Slabs Page 1 of 1: Is there such a way to cut paving slabs with out a petrol saw / grinder?? Angle grinder cutting paving slabs is quite simple. Although various concrete cutting saw are avalible , angle grinder is the most convenient tool for small concrete cutting work. In order to cut the paving slabs, you can use the angle grinder with a diamond blade. 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