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. The best angle grinder size for thick materials such as concrete and stone are those with 7-inch discs and above. Once you understand these factors listed, you are on your way to choosing the best angle grinder for your needs that match the grinder size required.
We’ll decide what’s the right angle grinder size for you: we’ll go through a series of common activities and determine which is the right size for them. To get an idea of the specs of this size of angle grinders, let’s take as an example the Makita GA4030K 4″ Angle Grinder. If you need to cut through paving slabs, you need to consider a couple of things before choosing the correct angle grinder size for the job.
Angle grinders are handheld power tools that, depending on the blade or attachment used, can grind, buff, polish, cut, sharpen, and clean. Corded angle grinders require you to remain within reach of an electrical outlet, but in return, you gain more power and no fears of running out of power before you finish your task. These angle grinders aren’t exceptionally heavy and are small enough-most are around 12 inches long-to get into small spaces, and yet large enough to have the power to tackle most typical grinding, sanding, or sharpening tasks around the home, yard, or garage.
Pneumatic grinders require connection to suitable air compressor units they are well-suited to high-precision tasks and are considerably lighter in weight than other angle grinder models. The unique disc angle can make straight grinders a better choice than the standard angle grinder in some instances. A medium-sized angle grinder is expected to go faster than 8,000 RPM, while a larger angle grinder may generate around 6,000 RPM. However, the larger angle grinder will have far more power.
Looking to buy an angle grinder and I have noticed the different sizes, 100mm 125mm 150mm etc. Was wondering what you guys would recommend as the best size grinder to buy. I like the 5″ the best, but then it’s a Fein…. “I will have a Metabo 4.5” one day…. Looks like I will be getting a 125mm angle grinder then.
The size of the angle grinder you buy will depend on the size of the job you have. Typically, the most common size of angle grinder is 4.5 inches, meaning it uses discs that are 4.5 inches in diameter. Even though a 4.5-inch grinder is faster than a 6-inch grinder, the 6-inch grinder using a 13 amp motor will be just as fast, if not faster, than the 4.5-inch grinder with a 7 amp motor.
best angle grinder size Related Question:
What is the most popular size angle grinder?
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.
How do I know what size angle grinder I need?
When you begin to look at angle grinders, you will need to decide on what size disc you will require, with the two most common sizes being 4.5” (115mm) and 9” (230mm). The size of the disc determines the depth of the cut possible, so larger jobs will require larger discs.
Which is better 4 inch or 5-inch angle grinder?
The number of cuts achieved with the 5” Angle Grinder were 100% greater than the 4 1/2” Angle Grinder. The 41% output power and 36% torque provided by the 5” Angle grinder, meant that the disc speed remained at its optimum, allowing the disc to work more efficiently.
What size are angle grinders?
Angle grinders are classed according to the size of disc they are designed for: most commonly this is 115mm (4 1/2″), 125mm (5″) or 230mm (9″) but there are other options as well. The reason for this is to accommodate for the wide variety of tasks these tools are used for.
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.
How deep can a 125mm angle grinder cut?
All in all, 125mm angle grinders are extremely versatile tools despite their limited cutting depth of just 38 mm. 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 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.
How do I choose an angle grinder disc?
depends on the type, shape and thickness of the steel that needs to be cut. For standard everyday jobs on either stainless or mild steel using an angle grinder, choose a 1mm or 1.6mm thickness in your disc. For projects that involve thin metal such as sheet metal, choose a 1.0mm or 0.8mm thinner cutting disc.
How deep can you cut with 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.
Do all angle grinder discs fit?
Angle grinders discs are interchangeable, which means you can select the specific size of disc for your grinder and the specific type of disc for the type of material you are looking to cut or grind. There is a wide range of different types of discs available for an angle grinder.
What is Arbor size on angle grinder?
“The “standard” spindle (sometimes called the “arbor”) thread these days on a angle grinder in the US is 5/8-11 (5/8″ diameter and 11 threads per inch).
What size disc does a 9 inch grinder take?
A (nine) 9 inch grinder is 230mm.
What is a 100 angle grinder?
4′ (100mm) angle grinders, as the name suggests, accept grinding discs up to 100mm in size. These grinders are relatively small in size, and are suitable for smaller jobs. The size of disc that the grinder can accept dictates the depth of cut that the grinder can achieve.
Can I use angle grinder to cut wood?
There are several reasons why some users attach a circular saw blade to an angle grinder. The blade of an angle grinder is a grindstone that is used to polish or sharpen metal and stone; it cannot be used for cut- ting wood because it may burn and singe the wood by friction.
Can angle grinder cut steel?
So can an angle grinder cut metal or even dense steel? Yes, it most definitely can. At the end of the day, using an angle grinder to cut metal can be highly effective and extremely safe as long as you have the right equipment and safety tools with you.
