We will discuss a few tips for choosing the right grinder size for the job. If a 7-inch grinder is spinning at speeds of 5,000 RPM while it is sanding a floor, its greater design and slower speed is generating less heat than a 4.5-inch grinder that is spinning away at 10,000 RPM. While the greater speed gives the grinder more power, it also makes it much easier to fail. These are just a few tips for selecting the right grinder size for the job.
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.
A high-quality angle grinder can be used to cut through everything from metal, to brickwork, and even concrete without much trouble at all. Standard-size saws use 7 1/4-inch blades and can cut a maximum depth of about 2 1/2 inches. The 9-inch saw can cut to a thickness of 3 when cut straight and 2 1/8 -inches at an angle of 45-degrees.
Common discs sizes include 4-1/2 inch, 5 inch, 6 inch, 7 inch, and 9 inch. Used with a thick disc appropriate for the workpiece material, 230mm angle grinders can deburr, sand, grind and thin down sheet metals. So a 4.5-inch disc is best for such a grinder while a 7-inch angle grinder works best with a 7-inch disc and so on.
Grinding / cutting grinding Main uses Maximum cutting depth 125mm angle grinder Cutting metals and other materials, grinding, deburring, sanding, polishing, etc. 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. Although the various concrete cutting saw is available, an angle grinder is the most convenient tool for small concrete cutting work.
Here’s our guide to selecting the right grinder for your job. Used for metalworking and finishing work, the disc of a straight grinder is mounted in the opposite way to that of an angle grinder. Whether you are grinding, cutting, deburring or sanding, no material is able to stand up to a grinder.
The secret to successfully using an angle grinder is choosing the right type of cutting disc. Consider how much wood you want to remove and how fast to define the correct cutting disc for your needs. The angle grinder size is determined by the size of the disc, not the length of the tool itself.
how deep does angle grinder cut Related Question:
How deep can you cut with 125mm angle grinder?
Specifically, the 115mm grinder can cut up to 30mm deep while the 125mm grinder can cut up to 38mm deep.
How deep can you cut with 9 angle grinder?
For example a 4″ grinder can go as deep as an inch and a 9″ grinder can go as deep as 3″ depending on the angle/ position. This grinder is very powerful, a bit heavy but that’s to be expected for a unit this size.
Can an angle grinder cut through concrete?
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.
Can an angle grinder cut through bone?
Angle grinders can cut through stone, concrete, metal and other strong materials, so they have no trouble cutting through human flesh and bones.
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 deep will a 115mm angle grinder cut?
While 115mm angle grinders offer a maximum cutting depth of only 30 mm, they are precise, easy to handle and lighter than larger versions.
Can an angle grinder cut paving slabs?
Masonry saws are ideal for paving slabs made from porcelain, granite and concrete. 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.
How deep will a 230mm angle grinder cut?
The 230mm ANGLE GRINDER: for heavy-duty grinding, facing and cutting masonry and metal. As a cut-off machine it has a 64mm (2.5in) depth of cut.
Can an angle grinder cut stone?
An angle grinder is a power tool that can be used for cutting through different types of materials, including metal and other solid materials such as bricks, aluminium, stone and concrete.
How do I keep dust out of my angle grinder?
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.
Is there anything an angle grinder can’t cut?
The inspiration behind this creation is the natural defense mechanisms used by shells, grapefruit skins, and fish scales that makes them resistant from the attacks of various sea creatures. The material, named Proteus, cannot be cut using either angle grinders, drills, or high-pressure water jets.
What can you not do with an angle grinder?
Angle Grinder Use Angle grinders generate sparks. When required obtain a hot work permit before use. Keep work area clear of debris and flammable materials. Do NOT use in areas where there is grain dust or other combustible dust accumulation.
What is a 7 inch angle grinder used for?
Angle grinders are versatile tools that can grind metal and cut tile, stucco and pavers, rout out mortar, plus they can sand, polish and sharpen. Learn to use an angle grinder to cut tile, mortar and pavers; make quick work of rust and loose paint removal; sharpen blades and cut or grind steel.
What is the most common angle grinder size?
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.
Can I use bigger disc on angle grinder?
Fitting a 14 inch (356 mm) cut-off disc to a 9 inch (230 mm) angle grinder will increase the edge speed excessively to at least 120 m/s (430 kmph). The photograph below shows an angle grinder with the wrong size cutting disc fitted and the guard removed.
