Concrete cutting is a common task at the construction area, such as cutting concrete floor, concrete wall, concrete slabs and concrete pavers. Although the various concrete cutting saw is available, an angle grinder is the most convenient tool for small concrete cutting work. Finish the corner cuts and trim any excess concrete from the cut with the angle grinder on the reverse side of the concrete block.
The amps in the motor of the angle grinder determine how fast the grinder will cut. Cutting concrete with an angle grinder is always best done with a diamond saw blade. Choosing a diamond blade for cutting concrete with an angle grinder is a no-brainer, but your options do not stop there.
Once you have your blade picked out, you can kick on your angle grinder and begin the concrete cutting process. Cutting concrete with an angle grinder for the first time can be challenging for even some experienced DIYers. You may have come into this thinking that cutting concrete with an angle grinder would be a bridge too far for that productive power tool.
Concrete cutting is a common task at construction area, such as cutting concrete floor, concrete wall, concrete slabs and concrete pavers. Although various concrete cutting saw are avalible , angle grinder is the most convenient tool for small concrete cutting work. If your concrete cutting work are really occasional, a manual angle grinder works fine for light-duty cutting work.
These angle grinders give you more power and flexibility. Small grinders have an RPM of up to 11000, while large grinders have a lower maximum RPM of 8000. It’s perfect for professionals that really put their angle grinders to work.
1) Continuous Rim:Obviously the most gentle method of cutting since there are effectively no “Teeth”. Therefore best for high-quality cutting of Ceramic Tiles – WET or DRY. The Pro’s use them DRY on small Angle Grinders to cut notches and stuff out of Ceramic Tiles, but you also see them on all of the powered Tile Saws that run WET. The penalty of this gentle cutting is that they are too slow for thicker material, which is why you instead see the Segmented-type disks in the dedicated WET Stationary Brick Saws…Wouldn’t even bother trying to use a Continuous to cut Concrete with. Might be okay going through the Mortar Bedding under some tiles on the Bathroom floor, but Concrete is a different kettle of fish…. 2) Segmented:As alluded to above, these are more aggressive than the Continuous Rim, due to the notches that effectively act the way that Teeth and Gullets do in normal saw blades for timber.
what angle grinder blade to cut concrete Related Question:
What is the best blade to cut concrete with?
Diamond saw blades are typically the best choice when it comes to making clean, professional cuts in concrete.
Can you use a metal grinding wheel on concrete?
In short, cutoff wheels work as designed only when the abrasive is matched to the material to be cut. But there’s no safety hazard in using an aluminum-oxide wheel, for example, on a masonry surface, says Hallen.
Can you cut concrete with an abrasive blade?
Abrasive corundum masonry blades are inexpensive (under $5 for a 7-in. blade), widely available and capable of cutting through concrete, stucco and asphalt. They’re affordable but not fast—in most situations they’re capable of cutting only shallow 1/4- to 1/2-in. passes, so any cut is time-consuming.
What is the difference between cutting wheel and grinding wheel?
A cutting tool can be either single point or multi point. Grinding wheel is always multi point cutting tool. It can be made of metals, ceramics, diamond, or cBN. Grinding wheel is composed of abrasives, which are bound in another medium like resin or metal.
How do I choose a diamond grinding wheel for concrete?
If you’re grinding a hard surface, you want a cup wheel with a softer bond. This bond will wear out quickly so the sharp diamond pieces can get to work. If you’re working on a soft and/or gritty surface, you want to go with a harder bond.
What are angle grinder cutting discs made of?
Common materials include shellac, resinoids, rubber and glass or glass-ceramic. At Weiler Abrasives, our portable grinding wheels contain resinoid bonds. The bond on a grinding wheel may be either hard or soft.
What kind of grinding wheel do you use on concrete?
Diamond discs. Diamond discs are the best when it comes to grinding sturdy materials like precious stones, carbide cutting tips, concrete. For concrete, diamond discs are your best bet as they tend to last longer.
How much will a concrete grinder remove?
How much will a concrete grinder remove? A grinder can take off up to 1/8 of an inch of material with each pass — less than a concrete scarifier, which cuts into surface coatings and the underlying concrete and can cut about 1/4 of an inch with each pass.
Will a grinding wheel cut concrete?
Metal-cutting wheels contain either zirconia or aluminum oxide, depending on their intended use. Silicon-carbide abrasive particles are sharper and harder, and thus continue cutting efficiently on concrete or other masonry surfaces.
How long will a diamond blade last cutting concrete?
Diamond-edged blades. They can last between 12 and 120 hours of continuous use, depending on the quality of the blade and material they’re used to cut.
How deep can a 14 inch concrete saw cut?
A 14-inch circular blade on a cut-off saw is designed for a maximum depth of slightly less than five inches.
Can I use my circular saw to cut concrete?
Contractors and homeowners use circular saws to cut large pieces of wood, metal, brick, plastic and even concrete. These saws provide a great deal of capacity and precision, but cutting concrete with a circular saw is not an easy job for beginners.
Can you put a diamond blade on a circular saw?
The perfect tile cutting blade for a circular saw when performing on porcelain, is the diamond blade, because is one of the few materials that are harder than porcelain. In a few words, the diamond blade not only score the tile but grinds it all the way through.
How deep can a 4.5 angle grinder cut?
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.
How do you cut concrete by hand?
Use your dominant hand to grip the back handle and push the blade forward and backward. Begin cutting at the edge of the concrete and slowly follow the chalk line. Don’t press the blade into the ground—let the weight of the blade and saw do the work. Remove the blade every 30 to 45 seconds to avoid overheating.
