A 180mm angle grinder will not be able to cut your tiles in one cut, as their max cutting depth is about 40-45mm. A 230mm angle grinder has a maximum cutting depth of approximately 65-70mm in one go.

Besides, What is the cutting depth of a 4.5 inch angle grinder?

A 4.5 angle grinder has a blade that is 4.5-inches in diameter. This means the blade extends 2.25-inches for the center in each direction. As a result, it is not physically able to cut through 4 inch concrete. Select a larger grinder when a deep cuts are necessary, such as a 9-inch grinder.

Keeping this in mind, What size grinder do I need? For most DIY projects, a 4-, 4.5-, or 5-inch disc will suffice. … Larger discs (up to 9 inches) are more commonly used in industrial situations by professionals cutting through thick pieces of material. As the disc gets larger, the grinder itself must be larger to handle the cutting strength.

Can an angle grinder cut through concrete?

Although the various concrete cutting saw is available, an angle grinder is the most convenient tool for small concrete cutting work. … A concrete-cutting blade for an angle grinder has a diamond-studded rim with ventilation grooves — a tile-cutting blade uses diamond studs but does not have the grooves.

Can you use water with angle grinder?

Anytime you’re cutting masonry with an angle grinder it’s a good idea lubricate the cut with water. It will cool the blade and keep the dust down.

Can you cut through concrete with an angle grinder?

Although the various concrete cutting saw is available, an angle grinder is the most convenient tool for small concrete cutting work. … A concrete-cutting blade for an angle grinder has a diamond-studded rim with ventilation grooves — a tile-cutting blade uses diamond studs but does not have the grooves.

What sizes do angle grinders come in?


Angle grinders are typically available for grinding discs of the following sizes:

  • 4½ inch – 115mm.
  • 5 inch – 125mm.
  • 6 inch – 150mm.
  • 7 inch – 180mm.
  • 9 inch – 230mm.

Can you cut paving slabs with a grinder?

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. In either case, be sure to use a diamond blade made for masonry and stone.

How do I choose a grinder?


Things to consider when buying a grinder:

  1. Disc diameter – angle grinders with larger diameters take bigger discs that make deeper cuts.
  2. Wattage – higher wattage gives more power to cut through denser materials.
  3. Speed – multiple speeds give more control for precise work.

Which size angle grinder is best?

A smaller 115mm angle grinder means a more versatile power tool. With a smaller cutting disc you get a greater level of precision, so if you’re wanting to be able to trim tiles to shape, sharpen blades, or cut and grind more intricate stone and metalwork projects, we’d suggest a 115mm grinder.

What is the standard size angle grinder?

They can be used for a range of cutting and grinding purposes and are featured across a variety of angle grinders. The most commonly used sizes are the 4” and 4 ½”. These grinders typically have the capacity for wheel diameters of up to 7”, with particularly small versions having the capacity for 3” discs.

What is the best way to cut concrete?

Use a standard circular saw, equipped with a corundum or diamond blade, for small tasks. For slabs, it’s best to cut through the top inch, then use a sledgehammer to break off the rest. The jagged edge left below the cutting line provides a good rough edge for the new concrete to bond to.

What is the best blade for cutting concrete?

Diamond saw blades are typically the best choice when it comes to making clean, professional cuts in concrete.

How do you cut concrete blocks with an angle grinder?

Angle grinders throw debris and create a lot of dust while cutting concrete blocks. Turn on the angle grinder. Hold the angle grinder so its blade faces out and the guard faces up. When cutting, the blade will throw debris back toward the handle and operator.

Can you angle grind in the rain?

Don’t use an angle grinder in the rain because you may end up getting an electric shock. The shock could startle you and the likelihood is that you could drop the grinder and potentially cause injury to yourself.

Do you need water to cut concrete?

You can use a dry-cutting blade with or without water, but a wet blade must always be used with water. Whenever you cut concrete, wear sight, hearing and respiratory protection, especially when dry-cutting.

How do you keep dust down with an angle grinder?

Steps: If no dust extraction is available for drilling or grinding, running a water hose onto the surface or holding a vacuum up to the tool will keep dust down. Use a drill dust attachment by turning the vacuum on and sticking the attachment to the surface. The suction from the vacuum should hold it in place.

What are the different types of angle grinders?


7 Types of Angle Grinder Discs

  • Grinding Wheel. “As you can imagine, the first and most obvious angle grinder disc type is the eponymous grinding wheel. …
  • Flap Disc. …
  • Cut-off Wheel. …
  • Wire Wheel. …
  • Strip Disc. …
  • Diamond Disc. …
  • Ceramic Sanding Disc.

What is the best way to cut paving slabs?

Grab your hammer and chisel to cut the pavers. Hold the chisel just outside of the line you’ve drawn on the slab and tap gently but firmly with the hammer until the brick splits. Use the chisel to knock off any sharp, uneven edges and help you create a neat finish.

What makes a good grinder?

If you are looking for a simple answer, opt for a metal grinder. Many people prefer a standard aluminum three-chamber grinder for grinding homegrown weed. It is durable, easy to clean, not incredibly noticeable, and easy to transport. It also has a magnetic lid, which helps keep the grinder tightly closed.

Is a higher amp grinder better?

Amps indicate the power that the motor draws during use and generally indicates the size and power of the motor (higher is “better”).

Which company grinder is best?


Best mixer grinder in India in 2021

  • Bajaj Rex Mixer Grinder. …
  • Bosch TrueMixx Pro 1000-Watt Mixer Grinder. …
  • Orient Electric Kitchen Kraft Mixer Grinder. …
  • Havells ASPRO 500 Watt Mixer Grinder. …
  • Prestige Iris 750 Watt Mixer Grinder. …
  • Butterfly Hero Mixer Grinder.

What amp angle grinder do I need?

Five or six amps is common on mid-range angle grinders, but some are as high as 11 amps. Larger models can reach 14 amps, which is a practical limit since standard electrical outlets only provide a 15-amp maximum supply. Some heavy-duty angle grinders use horsepower instead.