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.
You’ve heard how versatile and useful an angle grinder can be around the home, and now you’ve got to decide which angle grinder you should buy. Regardless of whether you’ll be cutting, grinding, sharpening, sanding, cleaning or polishing, we’re sure we’ll have something in the SGS range of angle grinders for you. Introducing The Milwaukee FUEL Large 228mm Angle Grinder – the world’s first 18v LAG delivering the power of a 15A corded large angle grinder,.
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.
what size angle grinder is best 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.
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”).
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).
Does RPM matter for angle grinder?
The speed, the surface feet per minute, that will be best for productivity, finish, and consumable life might not be the maximum RPM of a single-speed grinder. For run-of-the-mill applications, the maximum recommended RPM for most angle grinders will—and should be used to—do the job.
Are there different types of angle grinder?
There is a wide variety of angle grinders available, with models suitable for amateur and professional purposes. You can choose from tools for specific applications such as cutting, polishing and grinding, but it is important to select the angle grinder which is best suited to your intended use.
How many amps does a 9 inch grinder use?
The 9 in. angle grinder has a rugged 15 Amp motor that delivers 0-11, 500 RPM and features a rugged aluminum gear case to withstand rigorous use in the shop Or garage.
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.
